Part No. 990001 DMI 3 10 1 L

GTIN 4013364102583, Customs tariff No. (EU): 85354000, Gross weight: 700.00 g, PU: 1.00 pc(s)

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Medium voltage arrester 3 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems, and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 3 kV
Continuous operating voltage: Uc = 2.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 68 mm
HTV-silicon enclosure:: h = 92 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 3 10 1 L
Part No.: 990001
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	3 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	2.4 kV
Height (h)	92 mm
Creepage distance (+/- 5%)	68 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV_Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	3 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	2.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	3.5 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	3.3 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	10.7 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	9.3 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	10.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	11.1 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	12.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	7.3 kV
Residual voltage at 250 A (40/100 µs) (û_res )	7.5 kV
Residual voltage at 500 A (40/100 µs) (û_res )	7.8 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	8.1 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	8.5 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	24 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	36 kV
Height (h)	92 mm
Creepage distance (+/- 5%)	68 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990002 DMI 6 10 1 L

GTIN 4013364102590, Customs tariff No. (EU): 85354000, Gross weight: 900.00 g, PU: 1.00 pc(s)

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Medium voltage arrester 6 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems, and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 6 kV
Continuous operating voltage: Uc = 4.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 88 mm
HTV-silicon enclosure:: h = 112 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 6 10 1 L
Part No.: 990002
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	6 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	4.8 kV
Height (h)	112 mm
Creepage distance (+/- 5%)	88 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	6 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	4.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	6,9 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	6.5 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	19.3 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	16.7 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	18.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	20.0 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	22.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	13.1 kV
Residual voltage at 250 A (40/100 µs) (û_res )	13.6 kV
Residual voltage at 500 A (40/100 µs) (û_res )	14.0 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	14.6 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	15.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	32 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	46 kV
Height (h)	112 mm
Creepage distance (+/- 5%)	88 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990003 DMI 9 10 1 L

GTIN 4013364102606, Customs tariff No. (EU): 85354000, Gross weight: 1.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 9 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 9 kV
Continuous operating voltage: Uc = 7.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55)°C
Design: indoor
Creepage distance: 108 mm
HTV-silicon enclosure:: h = 132 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 9 10 1 L
Part No.: 990003
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	9 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	7.2 kV
Height (h)	132 mm
Creepage distance (+/- 5%)	108 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	9 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	7.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	10.4 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	9.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	28.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	25.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	27.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	30.0 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	33.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	19.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	20.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	21.1 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	21.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	23.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	40 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	58 kV
Height (h)	132 mm
Creepage distance (+/- 5%)	108 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990004 DMI 12 10 1 L

GTIN 4013364102613, Customs tariff No. (EU): 85354000, Gross weight: 1.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester 12 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 12 kV
Continuous operating voltage: Uc = 9.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55)°C
Design: indoor
Creepage distance: 128 mm
HTV-silicon enclosure:: h = 152 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 12 10 1 L
Part No.: 990004
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	12 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	9.6 kV
Height (h)	152 mm
Creepage distance (+/- 5%)	128 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	12 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	9.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	13.8 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	13.1 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	37.5 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	32.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	35.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	38.9 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	43.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	25.6 kV
Residual voltage at 250 A (40/100 µs) (û_res )	26.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	27.3 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	28.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	29.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	46 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	68 kV
Height (h)	152 mm
Creepage distance (+/- 5%)	128 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990005 DMI 15 10 1 L

GTIN 4013364102620, Customs tariff No. (EU): 85354000, Gross weight: 1.30 kg, PU: 1.00 pc(s)

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Medium voltage arrester 15 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 15 kV
Continuous operating voltage: Uc = 12.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 138 mm
HTV-silicon enclosure:: h = 162 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 15 10 1 L
Part No.: 990005
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	15 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	12.0 kV
Height (h)	162 mm
Creepage distance (+/- 5%)	138 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	15 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	12.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	17.3 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	16.4 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	42.8 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	37.2 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	40.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	44.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	50.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	29.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	30.1 kV
Residual voltage at 500 A (40/100 µs) (û_res )	31.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	32.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	34.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	50 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	74 kV
Height (h)	162 mm
Creepage distance (+/- 5%)	138 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990006 DMI 18 10 1 L

GTIN 4013364102637, Customs tariff No. (EU): 85354000, Gross weight: 1.50 kg, PU: 1.00 pc(s)

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Medium voltage arrester 18 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 18 kV
Continuous operating voltage: Uc = 14.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 158 mm
HTV-silicon enclosure:: h = 182 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 18 10 1 L
Part No.: 990006
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	18 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	14.4 kV
Height (h)	182 mm
Creepage distance (+/- 5%)	158 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	18 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	14.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	20,7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	19.6 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	52.4 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	45.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	49.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	54.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	61.3 kV
Residual voltage at 125 A (40/100 µs) (û_res )	35.8 kV
Residual voltage at 250 A (40/100 µs) (û_res )	36.9 kV
Residual voltage at 500 A (40/100 µs) (û_res )	38.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	39.7 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	41.7 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	54 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	78 kV
Height (h)	182 mm
Creepage distance (+/- 5%)	158 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990007 DMI 21 10 1 L

GTIN 4013364102644, Customs tariff No. (EU): 85354000, Gross weight: 1.70 kg, PU: 1.00 pc(s)

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Medium voltage arrester 21 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 21 kV
Continuous operating voltage: Uc = 16.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 180 mm
HTV-silicon enclosure:: h = 204 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 21 10 1 L
Part No.: 990007
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	21 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	16.8 kV
Height (h)	204 mm
Creepage distance (+/- 5%)	180 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	21 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	16.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	24,2 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	22.9 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	62.1 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	53.9 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	58.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	64.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	72.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	42.3 kV
Residual voltage at 250 A (40/100 µs) (û_res )	43.7 kV
Residual voltage at 500 A (40/100 µs) (û_res )	45.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	47.0 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	49.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	62 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	90 kV
Height (h)	204 mm
Creepage distance (+/- 5%)	180 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990008 DMI 24 10 1 L

GTIN 4013364102651, Customs tariff No. (EU): 85354000, Gross weight: 1.80 kg, PU: 1.00 pc(s)

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Additional information

Medium voltage arrester 24 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 24 kV
Continuous operating voltage: Uc = 19.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 200 mm
HTV-silicon enclosure:: h = 224 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 24 10 1 L
Part No.: 990008
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	24 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	19.2 kV
Height (h)	224 mm
Creepage distance (+/- 5%)	200 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	24 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	19.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	27,6 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	26.2 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	70.6 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	61.4 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	66.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	73.3 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	82.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	48.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	49.7 kV
Residual voltage at 500 A (40/100 µs) (û_res )	51.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	53.5 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	56.1 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	68 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	100 kV
Height (h)	224 mm
Creepage distance (+/- 5%)	200 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990009 DMI 27 10 1 L

GTIN 4013364102668, Customs tariff No. (EU): 85354000, Gross weight: 2.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 27 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 27 kV
Continuous operating voltage: Uc = 21.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 220 mm
HTV-silicon enclosure:: h = 244 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 27 10 1 L
Part No.: 990009
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	27 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	21.6 kV
Height (h)	244 mm
Creepage distance (+/- 5%)	220 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	27 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	21.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	31.1 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	29.4 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	80.3 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	69.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	75.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	83.3 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	93.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	54.8 kV
Residual voltage at 250 A (40/100 µs) (û_res )	56.5 kV
Residual voltage at 500 A (40/100 µs) (û_res )	58.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	60.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	63.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	72 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	106 kV
Height (h)	244 mm
Creepage distance (+/- 5%)	220 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990011 DMI 31 10 1 L

GTIN 4013364102682, Customs tariff No. (EU): 85354000, Gross weight: 2.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester 31 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 31 kV
Continuous voltage. Uc = 25.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 250 mm
HTV-silicon enclosure:: h = 274 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 31 10 1 L
Part No.: 990011
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	31 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	25.0 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	250 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	31 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	25.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	35,7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	33.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	91.0 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	79.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	85.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	94.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	106.3 kV
Residual voltage at 125 A (40/100 µs) (û_res )	62.1 kV
Residual voltage at 250 A (40/100 µs) (û_res )	64.0 kV
Residual voltage at 500 A (40/100 µs) (û_res )	66.3 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	68.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	72.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	92 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	132 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	250 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990012 DMI 33 10 1 L

GTIN 4013364102699, Customs tariff No. (EU): 85354000, Gross weight: 2.40 kg, PU: 1.00 pc(s)

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Medium voltage arrester 33 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 33 kV
Continuous operating voltage: Uc = 26.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 250 mm
HTV-silicon enclosure:: h = 274 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 33 10 1 L
Part No.: 990012
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	33 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	26.4 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	250 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	33 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	26.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	38.0 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	36.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	94.2 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	81.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	88.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	97.7 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	110.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	64.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	66.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	68.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	71.3 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	74.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	92 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	132 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	250 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990013 DMI 36 10 1 L

GTIN 4013364102705, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 36 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 36 kV
Continuous operating voltage: Uc = 28.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 338 mm
HTV-silicon enclosure:: h = 362 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 36 10 1 L
Part No.: 990013
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	36 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	28.8 kV
Height (h)	362 mm
Creepage distance (+/- 5%)	338 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	36 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	28.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	41.4 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	39.2 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	104.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	91.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	98.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	108.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	122.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	71.5 kV
Residual voltage at 250 A (40/100 µs) (û_res )	73.8 kV
Residual voltage at 500 A (40/100 µs) (û_res )	76.4 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	79.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	83.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	118 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	170 kV
Height (h)	362 mm
Creepage distance (+/- 5%)	338 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990014 DMI 39 10 1 L

GTIN 4013364102712, Customs tariff No. (EU): 85354000, Gross weight: 3.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester 39 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanized (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High flexural strength
Unbreakable at overloads
Rated voltage: Ur = 39 kV
Continuous operating voltage: Uc = 31.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 360 mm
HTV-silicon enclosure:: h = 384 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 39 10 1 L
Part No.: 990014
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	39 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	31.2 kV
Height (h)	384 mm
Creepage distance (+/- 5%)	360 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	39 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	31.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	44.9 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	42.5 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	114.5 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	99.5 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	107.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	118.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	133.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	78.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	80.6 kV
Residual voltage at 500 A (40/100 µs) (û_res )	83.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	86.7 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	91.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	128 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	180 kV
Height (h)	384 mm
Creepage distance (+/- 5%)	360 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990015 DMI 42 10 1 L

GTIN 4013364102729, Customs tariff No. (EU): 85354000, Gross weight: 3.40 kg, PU: 1.00 pc(s)

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Medium voltage arrester 42 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / 60099-4
High-temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 42 kV
Continuous operating voltage: Uc = 33.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 382 mm
HTV-silicon enclosure:: h = 406 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 42 10 1 L
Part No.: 990015
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	42 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	33.6 kV
Height (h)	406 mm
Creepage distance (+/- 5%)	382 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	42 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	33.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	48.3 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	45.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	124.1 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	107.9 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	116.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	128.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	145.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	84.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	87.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	90.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	94.0 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	98.6 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	132 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	192 kV
Height (h)	406 mm
Creepage distance (+/- 5%)	382 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990016 DMI 45 10 1 L

GTIN 4013364102736, Customs tariff No. (EU): 85354000, Gross weight: 3.60 kg, PU: 1.00 pc(s)

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Medium voltage arrester 45 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 45 kV
Continuous operating voltage: Uc = 36.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 390 mm
HTV-silicon enclosure:: h = 414 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 45 10 1 L
Part No.: 990016
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	45 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	36.0 kV
Height (h)	414 mm
Creepage distance (+/- 5%)	390 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	45 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	36.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	51.8 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	49.1 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	128.4 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	111.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	120.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	133.2 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	150.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	87.6 kV
Residual voltage at 250 A (40/100 µs) (û_res )	90.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	93.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	97.2 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	102.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	144 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	208 kV
Height (h)	414 mm
Creepage distance (+/- 5%)	390 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990017 DMI 48 10 1 L

GTIN 4013364102743, Customs tariff No. (EU): 85354000, Gross weight: 3.80 kg, PU: 1.00 pc(s)

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Medium voltage arrester 48 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High-temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 48 kV
Continuous operating voltage: Uc = 38.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 422 mm
HTV-silicon enclosure:: h = 446 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 48 10 1 L
Part No.: 990017
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	48 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	38.4 kV
Height (h)	446 mm
Creepage distance (+/- 5%)	422 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	48 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	38.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	55.2 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	52.3 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	141.2 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	122.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	132.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	146.5 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	165.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	96.4 kV
Residual voltage at 250 A (40/100 µs) (û_res )	99.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	103.0 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	106.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	112.2 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	146 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	214 kV
Height (h)	446 mm
Creepage distance (+/- 5%)	422 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990018 DMI 51 10 1 L

GTIN 4013364102750, Customs tariff No. (EU): 85354000, Gross weight: 4.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 51 10 1 L
Medium voltage arrester without shield
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 51 kV
Continuous operating voltage: Uc = 40.8 kA
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: indoor
Creepage distance: 432 mm
HTV-silicon enclosure:: h = 456 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 51 10 1 L
Part No.: 990018
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	51 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	40.8 kV
Height (h)	456 mm
Creepage distance (+/- 5%)	432 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000µs
Rated voltage (a.c.) (U_r )	51 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	40.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	58.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	55.6 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	147.7 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	128.3 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	138.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	153.2 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	172.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	100.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	103.9 kV
Residual voltage at 500 A (40/100 µs) (û_res )	107.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	111.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	117.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	150 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	218 kV
Height (h)	456 mm
Creepage distance (+/- 5%)	432 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990101 DMI 3 10 1 N

GTIN 4013364102767, Customs tariff No. (EU): 85354000, Gross weight: 700.00 g, PU: 1.00 pc(s)

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Medium voltage arrester 3 10 1 N
Medium voltage arreter
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 3 kV
Continuous operating voltage: Uc = 2.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 143 mm
HTV-silicon enclosure:: h = 92 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 3 10 1 N
Part No.: 990101
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	3 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	2.4 kV
Height (h)	92 mm
Creepage distance (+/- 5%)	143 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	3 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	2.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	3.5 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	3.3 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	10.7 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	9.3 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	10.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	11.1 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	12.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	7.3 kV
Residual voltage at 250 A (40/100 µs) (û_res )	7.5 kV
Residual voltage at 500 A (40/100 µs) (û_res )	7.8 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	8.1 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	8.5 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	34 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	22 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	50 kV
Height (h)	92 mm
Number of shields	1
Creepage distance (+/- 5%)	143 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990102 DMI 6 10 1 N

GTIN 4013364102774, Customs tariff No. (EU): 85354000, Gross weight: 900.00 g, PU: 1.00 pc(s)

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Medium voltage arrester 6 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 6 kV
Continuous operating voltage: Uc = 4.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 163 mm
HTV-silicon enclosure:: h = 112 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 6 10 1 N
Part No.: 990102
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	6 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	4.8 kV
Height (h)	112 mm
Creepage distance (+/- 5%)	163 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	6 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	4.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	6.9 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	6.5 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	19.3 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	16.7 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	18.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	20.0 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	22.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	13.1 kV
Residual voltage at 250 A (40/100 µs) (û_res )	13.6 kV
Residual voltage at 500 A (40/100 µs) (û_res )	14.0 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	14.6 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	15.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	42 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	26 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	60 kV
Height (h)	112 mm
Number of shields	1
Creepage distance (+/- 5%)	163 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990103 DMI 9 10 1 N

GTIN 4013364102781, Customs tariff No. (EU): 85354000, Gross weight: 1.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 9 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
agains atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 9 kV
Continuous operating voltage: Uc = 7.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 183 mm
HTV-silicon enclosure:: h = 132 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 9 10 1 N
Part No.: 990103
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	9 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	7.2 kV
Height (h)	132 mm
Creepage distance (+/- 5%)	183 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	9 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	7.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	10.4 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	9.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	28.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	25.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	27.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	30.0 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	33.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	19.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	20.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	21.1 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	21.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	23.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	48 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	32 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	70 kV
Height (h)	132 mm
Number of shields	1
Creepage distance (+/- 5%)	183 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990104 DMI 12 10 1 N

GTIN 4013364102798, Customs tariff No. (EU): 85354000, Gross weight: 1.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester 12 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Fail-safe overlaod performance
Rated voltage: Ur = 12 kV
Continuous operating voltage: Uc = 9.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 278 mm
HTV-silicon enclosure:: h = 152 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 12 10 1 N
Part No.: 990104
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	12 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	9.6 kV
Height (h)	152 mm
Creepage distance (+/- 5%)	278 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	12 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	9.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	13.8 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	13.1 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	37.5 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	32.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	35.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	38.9 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	43.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	25.6 kV
Residual voltage at 250 A (40/100 µs) (û_res )	26.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	27.3 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	28.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	29.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	56 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	39 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	82 kV
Height (h)	152 mm
Number of shields	2
Creepage distance (+/- 5%)	278 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990105 DMI 15 10 1 N

GTIN 4013364102804, Customs tariff No. (EU): 85354000, Gross weight: 1.30 kg, PU: 1.00 pc(s)

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Medium voltage arrester 15 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 15 kV
Continuous operating voltage: Uc = 12.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 288 mm
HTV-silicon enclosure:: h = 162 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 15 10 1 N
Part No.: 990105
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	15 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	12.0 kV
Height (h)	162 mm
Creepage distance (+/- 5%)	288 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	15 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	12.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	17.3 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	16.4 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	42.8 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	37.2 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	40.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	44.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	50.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	29.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	30.1 kV
Residual voltage at 500 A (40/100 µs) (û_res )	31.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	32.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	34.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	60 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	40 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	86 kV
Height (h)	162 mm
Number of shields	2
Creepage distance (+/- 5%)	288 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990106 DMI 18 10 1 N

GTIN 4013364102811, Customs tariff No. (EU): 85354000, Gross weight: 1.50 kg, PU: 1.00 pc(s)

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Medium voltage arrester 18 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 18 kV
Continuous operating voltage: Uc = 14.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 308 mm
HTV-silicon enclosure:: h = 182mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 18 10 1 N
Part No.: 990106
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	18 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	14.4 kV
Height (h)	182 mm
Creepage distance (+/- 5%)	308 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	18 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	14.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	20.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	19.6 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	52.4 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	45.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	49.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	54.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	61.3 kV
Residual voltage at 125 A (40/100 µs) (û_res )	35.8 kV
Residual voltage at 250 A (40/100 µs) (û_res )	36.9 kV
Residual voltage at 500 A (40/100 µs) (û_res )	38.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	39.7 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	41.7 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	64 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	42 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	92 kV
Height (h)	182 mm
Number of shields	2
Creepage distance (+/- 5%)	308 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990107 DMI 21 10 1 N

GTIN 4013364102828, Customs tariff No. (EU): 85354000, Gross weight: 1.70 kg, PU: 1.00 pc(s)

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Medium voltage arrester 21 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 21 kV
Continuous operating voltage: Uc = 16.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 405 mm
HTV-silicon enclosure:: h = 204 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 21 10 1 N
Part No.: 990107
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	21 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	16.8 kV
Height (h)	204 mm
Creepage distance (+/- 5%)	405 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	21 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	16.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	24.2 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	22.9 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	62.1 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	53.9 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	58.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	64.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	72.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	42.3 kV
Residual voltage at 250 A (40/100 µs) (û_res )	43.7 kV
Residual voltage at 500 A (40/100 µs) (û_res )	45.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	47.0 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	49.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	70 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	46 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	104 kV
Height (h)	204 mm
Number of shields	3
Creepage distance (+/- 5%)	405 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990108 DMI 24 10 1 N

GTIN 4013364102835, Customs tariff No. (EU): 85354000, Gross weight: 1.80 kg, PU: 1.00 pc(s)

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Medium voltage arrester 24 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 24 kV
Continuous operating voltage: Uc = 19.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 425 mm
HTV-silicon enclosure:: h = 224 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 24 10 1 N
Part No.: 990108
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	24 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	19.2 kV
Height (h)	224 mm
Creepage distance (+/- 5%)	425 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	24 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	19.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	27.6 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	26.2 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	70.6 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	61.4 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	66.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	73.3 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	82.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	48.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	49.7 kV
Residual voltage at 500 A (40/100 µs) (û_res )	51.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	53.5 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	56.1 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	78 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	52 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	114 kV
Height (h)	224 mm
Number of shields	3
Creepage distance (+/- 5%)	425 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990109 DMI 27 10 1 N

GTIN 4013364102842, Customs tariff No. (EU): 85354000, Gross weight: 2.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 27 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 27 kV
Continuous operating voltage: Uc = 21.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 520 mm
HTV-silicon enclosure:: h = 244 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 27 10 1 N
Part No.: 990109
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	27 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	21.6 kV
Height (h)	244 mm
Creepage distance (+/- 5%)	520 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	27 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	21.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	31.1 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	29.4 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	80.3 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	69.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	75.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	83.3 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	93.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	54.8 kV
Residual voltage at 250 A (40/100 µs) (û_res )	56.5 kV
Residual voltage at 500 A (40/100 µs) (û_res )	58.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	60.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	63.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	82 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	54 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	120 kV
Height (h)	244 mm
Number of shields	4
Creepage distance (+/- 5%)	520 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990110 DMI 30 10 1 N

GTIN 4013364102859, Customs tariff No. (EU): 85354000, Gross weight: 2.10 kg, PU: 1.00 pc(s)

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Medium voltage arrester 30 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 30 kV
Continuous operating voltage: Uc = 24.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 530 mm
HTV-silicon enclosure:: h = 254 mm
RAL-3013
Supply and mount

Brand: DEHN
Type: DMI 30 10 1 N
Part No.: 990110
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	30 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	24.0 kV
Height (h)	254 mm
Creepage distance (+/- 5%)	530 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	30 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	24.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	34.5 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	32.7 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	85.6 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	74.4 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	80.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	88.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	100.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	58.4 kV
Residual voltage at 250 A (40/100 µs) (û_res )	60.2 kV
Residual voltage at 500 A (40/100 µs) (û_res )	62.4 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	64.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	68.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	94 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	62 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	136 kV
Height (h)	254 mm
Number of shields	4
Creepage distance (+/- 5%)	530 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990111 DMI 31 10 1 N

GTIN 4013364102866, Customs tariff No. (EU): 85354000, Gross weight: 2.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester 31 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 31 kV
Continuous operating voltage: Uc = 25.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 625 mm
HTV-silicon enclosure:: h = 274 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 31 10 1 N
Part No.: 990111
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	31 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	25.0 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	625 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	31 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	25.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	35.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	33.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	91.0 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	79.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	85.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	94.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	106.3 kV
Residual voltage at 125 A (40/100 µs) (û_res )	62.1 kV
Residual voltage at 250 A (40/100 µs) (û_res )	64.0 kV
Residual voltage at 500 A (40/100 µs) (û_res )	66.3 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	68.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	72.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	100 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	66 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	146 kV
Height (h)	274 mm
Number of shields	5
Creepage distance (+/- 5%)	625 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990112 DMI 33 10 1 N

GTIN 4013364102873, Customs tariff No. (EU): 85354000, Gross weight: 2.40 kg, PU: 1.00 pc(s)

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Medium voltage arrester 33 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 33 kV
Continuous operating voltage: Uc = 26.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 625 mm
HTV-silicon enclosure:: h = 274 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 33 10 1 N
Part No.: 990112
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	33 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	26.4 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	625 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	33 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	26.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	38.0 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	36.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	94.2 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	81.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	88.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	97.7 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	110.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	64.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	66.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	68.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	71.3 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	74.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	100 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	66 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	146 kV
Height (h)	274 mm
Number of shields	5
Creepage distance (+/- 5%)	625 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990113 DMI 36 10 1 N

GTIN 4013364102880, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 36 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surge
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 36 kV
Continuous operating voltage: Uc = 28.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 788 mm
HTV-silicon enclosure:: h = 362 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 36 10 1 N
Part No.: 990113
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	36 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	28.8 kV
Height (h)	362 mm
Creepage distance (+/- 5%)	788 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	36 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	28.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	41.4 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	39.2 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	104.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	91.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	98.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	108.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	122.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	71.5 kV
Residual voltage at 250 A (40/100 µs) (û_res )	73.8 kV
Residual voltage at 500 A (40/100 µs) (û_res )	76.4 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	79.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	83.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	126 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	84 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	184 kV
Height (h)	362 mm
Number of shields	6
Creepage distance (+/- 5%)	788 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990114 DMI 39 10 1 N

GTIN 4013364102897, Customs tariff No. (EU): 85354000, Gross weight: 3.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester 39 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 39 kV
Continuous operating voltage: Uc = 31.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 885 mm
HTV-silicon enclosure:: h = 384 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 39 10 1 N
Part No.: 990114
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	39 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	31.2 kV
Height (h)	384 mm
Creepage distance (+/- 5%)	885 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	39 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	31.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	44.9 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	42.5 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	114.5 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	99.5 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	107.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	118.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	133.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	78.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	80.6 kV
Residual voltage at 500 A (40/100 µs) (û_res )	83.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	86.7 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	91.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	134 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	88 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	194 kV
Height (h)	384 mm
Number of shields	7
Creepage distance (+/- 5%)	885 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990115 DMI 42 10 1 N

GTIN 4013364102903, Customs tariff No. (EU): 85354000, Gross weight: 3.40 kg, PU: 1.00 pc(s)

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Medium voltage arrester 42 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 42 kV
Continuous operating voltage: Uc = 33.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 907 mm
HTV-silicon enclosure:: h = 406 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 42 10 1 N
Part No.: 990115
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	42 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	33.6 kV
Height (h)	406 mm
Creepage distance (+/- 5%)	907 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	42 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	33.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	48.3 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	45.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	124.1 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	107.9 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	116.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	128.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	145.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	84.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	87.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	90.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	94.0 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	98.6 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	142 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	94 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	206 kV
Height (h)	406 mm
Number of shields	7
Creepage distance (+/- 5%)	907 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990116 DMI 45 10 1 N

GTIN 4013364271142, Gross weight: 4.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 45 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 45 kV
Continuous operating voltage: Uc = 36.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 990 mm
HTV-silicon enclosure:: h = 414 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 45 10 1 N
Part No.: 990116
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	45 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	36.0 kV
Height (h)	414 mm
Creepage distance (+/- 5%)	990 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	45 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	36.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	51.8 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	49.1 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	128.4 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	111.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	120.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	133.2 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	150.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	87.6 kV
Residual voltage at 250 A (40/100 µs) (û_res )	90.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	93.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	97.2 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	102.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	152 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	100 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	222 kV
Height (h)	414 mm
Number of shields	8
Creepage distance (+/- 5%)	990 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990117 DMI 48 10 1 N

GTIN 4013364102927, Customs tariff No. (EU): 85354000, Gross weight: 3.80 kg, PU: 1.00 pc(s)

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Medium voltage arrester 48 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 48 kV
Continuous operating voltage: Uc = 38.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 1022 mm
HTV-silicon enclosure:: h = 446 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 48 10 1 N
Part No.: 990117
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	48 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	38.4 kV
Height (h)	446 mm
Creepage distance (+/- 5%)	1022 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	48 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	38.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	55.2 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	52.3 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	141.2 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	122.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	132.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	146.5 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	165.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	96.4 kV
Residual voltage at 250 A (40/100 µs) (û_res )	99.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	103.0 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	106.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	112.2 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	156 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	104 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	226 kV
Height (h)	446 mm
Number of shields	8
Creepage distance (+/- 5%)	1022 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990118 DMI 51 10 1 N

GTIN 4013364102934, Customs tariff No. (EU): 85354000, Gross weight: 4.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester 51 10 1 N
Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV),hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 51 kV
Continuous operating voltage: Uc = 40.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (N)
Creepage distance: 1107 mm
HTV-silicon enclosure:: h = 456 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 51 10 1 N
Part No.: 990118
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	51 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	40.8 kV
Height (h)	456 mm
Creepage distance (+/- 5%)	1107 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	51 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	40.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	58.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	55.6 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	147.7 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	128.3 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	138.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	153.2 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	172.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	100.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	103.9 kV
Residual voltage at 500 A (40/100 µs) (û_res )	107.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	111.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	117.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	168 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	112 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	246 kV
Height (h)	456 mm
Number of shields	9
Creepage distance (+/- 5%)	1107 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990201 DMI 15 10 1 H

GTIN 4013364102941, Customs tariff No. (EU): 85354000, Gross weight: 1.30 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 15 kV
Continuous operating voltage: Uc = 12 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 363 mm
HTV-silicon enclosure:: h = 162 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 15 10 1 H
Part No.: 990201
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	15 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	12.0 kV
Height (h)	162 mm
Creepage distance (+/- 5%)	363 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	15 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	12.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	17.3 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	16.4 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	42.8 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	37.2 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	40.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	44.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	50.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	29.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	30.1 kV
Residual voltage at 500 A (40/100 µs) (û_res )	31.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	32.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	34,0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	60 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	40 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	86 kV
Height (h)	162 mm
Shield spacing (h₁ )	30 mm
Number of shields	3
Creepage distance (+/- 5%)	363 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990202 DMI 18 10 1 H

GTIN 4013364102958, Customs tariff No. (EU): 85354000, Gross weight: 1.50 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV),hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 18 kV
Continuous operating voltage: Uc = 14.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 383 mm
HTV-silicon enclosure:: h = 182 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 18 10 1 H
Part No.: 990202
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	18 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	14.4 kV
Height (h)	182 mm
Creepage distance (+/- 5%)	383 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	18 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	14.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	20.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	19.6 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	52.4 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	45.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	49.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	54.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	61.3 kV
Residual voltage at 125 A (40/100 µs) (û_res )	35.8 kV
Residual voltage at 250 A (40/100 µs) (û_res )	36.9 kV
Residual voltage at 500 A (40/100 µs) (û_res )	38.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	39.7 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	41.7 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	64 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	42 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	92 kV
Height (h)	182 mm
Shield spacing (h₁ )	30 mm
Number of shields	3
Creepage distance (+/- 5%)	383 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990203 DMI 21 10 1 H

GTIN 4013364102965, Customs tariff No. (EU): 85354000, Gross weight: 1.70 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching system and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 21 kV
Continuous operating voltage: Uc = 16.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 480 mm
HTV-silicon enclosure:: h = 204 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 21 10 1 H
Part No.: 990203
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	21 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	16.8 kV
Height (h)	204 mm
Creepage distance (+/- 5%)	480 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	21 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	16.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	24.2 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	22.9 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	62.1 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	53.9 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	58.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	64.6 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	72.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	42.3 kV
Residual voltage at 250 A (40/100 µs) (û_res )	43.7 kV
Residual voltage at 500 A (40/100 µs) (û_res )	45.2 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	47.0 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	49.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	70 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	46 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	104 kV
Height (h)	204 mm
Shield spacing (h₁ )	30 mm
Number of shields	4
Creepage distance (+/- 5%)	480 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990204 DMI 24 10 1 H

GTIN 4013364102972, Customs tariff No. (EU): 85354000, Gross weight: 1.80 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 24 kV
Continuous operating voltage: Uc = 19.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 575 mm
HTV-silicon enclosure:: h = 224 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 24 10 1 H
Part No.: 990204
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	24 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	19.2 kV
Height (h)	224 mm
Creepage distance (+/- 5%)	575 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	24 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	19.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	27.6 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	26.2 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	70.6 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	61.4 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	66.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	73.3 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	82.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	48.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	49.7 kV
Residual voltage at 500 A (40/100 µs) (û_res )	51.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	53.5 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	56.1 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	78 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	52 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	114 kV
Height (h)	224 mm
Shield spacing (h₁ )	30 mm
Number of shields	5
Creepage distance (+/- 5%)	575 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990205 DMI 27 10 1 H

GTIN 4013364102989, Customs tariff No. (EU): 85354000, Gross weight: 2.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 27 kV
Continuous operating voltage: Uc = 21.6 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 595 mm
HTV-silicon enclosure:: h = 244 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 27 10 1 H
Part No.: 990205
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	27 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	21.6 kV
Height (h)	244 mm
Creepage distance (+/- 5%)	595 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	27 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	21.6 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	31.1 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	29.4 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	80.3 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	69.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	75.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	83.3 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	93.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	54.8 kV
Residual voltage at 250 A (40/100 µs) (û_res )	56.5 kV
Residual voltage at 500 A (40/100 µs) (û_res )	58.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	60.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	63.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	82 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	64 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	120 kV
Height (h)	244 mm
Shield spacing (h₁ )	30 mm
Number of shields	5
Creepage distance (+/- 5%)	595 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990206 DMI 30 10 1 H

GTIN 4013364102996, Customs tariff No. (EU): 85354000, Gross weight: 2.10 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 30 kV
Continuous operating voltage: Uc = 24.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class. 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 680 mm
HTV-silicon enclosure:: h = 254 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 30 10 1 H
Part No.: 990206
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	30 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	24.0 kV
Height (h)	254 mm
Creepage distance (+/- 5%)	680 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	30 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	24.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	34.5 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	32.7 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	85.6 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	74.4 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	80.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	88.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	100.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	58.4 kV
Residual voltage at 250 A (40/100 µs) (û_res )	60.2 kV
Residual voltage at 500 A (40/100 µs) (û_res )	62.4 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	64.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	68.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	94 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	62 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	136 kV
Height (h)	254 mm
Shield spacing (h₁ )	30 mm
Number of shields	6
Creepage distance (+/- 5%)	680 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990207 DMI 31 10 1 H

GTIN 4013364103009, Customs tariff No. (EU): 85354000, Gross weight: 2.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099 –4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 31 kV
Continuous operating voltage: Uc = 25.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 775 mm
HTV-silicon enclosure:: h = 274 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 31 10 1 H
Part No.: 990207
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	31 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	25.0 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	775 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	31 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	25.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	35.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	33.8 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	91.0 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	79.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	85.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	94.4 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	106.3 kV
Residual voltage at 125 A (40/100 µs) (û_res )	62.1 kV
Residual voltage at 250 A (40/100 µs) (û_res )	64.0 kV
Residual voltage at 500 A (40/100 µs) (û_res )	66.3 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	68.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	72.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	100 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	66 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	146 kV
Height (h)	274 mm
Shield spacing (h₁ )	30 mm
Number of shields	7
Creepage distance (+/- 5%)	775 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990208 DMI 33 10 1 H

GTIN 4013364103016, Customs tariff No. (EU): 85354000, Gross weight: 2.40 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 33 kV
Continuous operating voltage: Uc = 26.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 775 mm
HTV-silicon enclosure:: h = 274 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 33 10 1 H
Part No.: 990208
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	33 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	26.5 kV
Height (h)	274 mm
Creepage distance (+/- 5%)	775 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	33 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	26.5 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	38.0 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	36.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	94.2 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	81.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	88.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	97.7 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	110.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	64.2 kV
Residual voltage at 250 A (40/100 µs) (û_res )	66.3 kV
Residual voltage at 500 A (40/100 µs) (û_res )	68.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	71.3 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	74.8 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	100 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	66 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	146 kV
Height (h)	274 mm
Shield spacing (h₁ )	30 mm
Number of shields	7
Creepage distance (+/- 5%)	775 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990209 DMI 36 10 1 H

GTIN 4013364103023, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 36 kV
Continuous operating voltage: Uc = 28.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 1013 mm
HTV-silicon enclosure:: h = 362 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 36 10 1 H
Part No.: 990209
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	36 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	28.8 kV
Height (h)	362 mm
Creepage distance (+/- 5%)	1013 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	36 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	28.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	41.4 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	39.2 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	104.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	91.1 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	98.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	108.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	122.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	71.5 kV
Residual voltage at 250 A (40/100 µs) (û_res )	73.8 kV
Residual voltage at 500 A (40/100 µs) (û_res )	76.4 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	79.4 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	83.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	126 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	84 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	184 kV
Height (h)	362 mm
Shield spacing (h₁ )	30 mm
Number of shields	9
Creepage distance (+/- 5%)	1013 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990210 DMI 39 10 1 H

GTIN 4013364103030, Customs tariff No. (EU): 85354000, Gross weight: 3.20 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 39 kV
Continuous operating voltage: Uc = 31.2 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 1110 mm
HTV-silicon enclosure:: h = 384 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 39 10 1 H
Part No.: 990210
or equivalent.

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Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	39 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	31.2 kV
Height (h)	384 mm
Creepage distance (+/- 5%)	1110 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	39 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	31.2 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	44.9 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	42.5 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	114.5 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	99.5 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	107.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	118.8 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	133.8 kV
Residual voltage at 125 A (40/100 µs) (û_res )	78.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	80.6 kV
Residual voltage at 500 A (40/100 µs) (û_res )	83.5 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	86.7 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	91.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	134 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	88 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	194 kV
Height (h)	384 mm
Shield spacing (h₁ )	30 mm
Number of shields	10
Creepage distance (+/- 5%)	1110 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990212 DMI 45 10 1 H

GTIN 4013364103054, Customs tariff No. (EU): 85354000, Gross weight: 3.60 kg, PU: 1.00 pc(s)

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Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV),hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 45 kV
Continuous operating voltage: Uc = 36.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 1215 mm
HTV-silicon enclosure:: h = 414 mm
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 45 10 1 H
Part No.: 990212
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	45 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	36.0 kV
Height (h)	414 mm
Creepage distance (+/- 5%)	1215 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	45 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	36.0 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	51.8 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	49.1 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	128.4 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	111.6 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	120.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	133.2 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	150.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	87.6 kV
Residual voltage at 250 A (40/100 µs) (û_res )	90.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	93.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	97.2 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	102.0 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	152 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	100 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	222 kV
Height (h)	414 mm
Shield spacing (h₁ )	30 mm
Number of shields	11
Creepage distance (+/- 5%)	1215 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990213 DMI 48 10 1 H

GTIN 4013364103061, Customs tariff No. (EU): 85354000, Gross weight: 3.80 kg, PU: 1.00 pc(s)

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Additional information

Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 48 kV
Continuous operating voltage: Uc = 38.4 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Design: outdoor (H)
Creepage distance: 1322 mm
HTV-silicon enclosure:: h = 446 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 48 10 1 H
Part No.: 990213
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	48 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	38.4 kV
Height (h)	446 mm
Creepage distance (+/- 5%)	1322 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	48 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	38.4 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	55.2 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	52.3 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	141.2 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	122.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	132.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	146.5 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	165.0 kV
Residual voltage at 125 A (40/100 µs) (û_res )	96.4 kV
Residual voltage at 250 A (40/100 µs) (û_res )	99.4 kV
Residual voltage at 500 A (40/100 µs) (û_res )	103.0 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	106.9 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	112.2 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	156 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	104 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	226 kV
Height (h)	446 mm
Shield spacing (h₁ )	30 mm
Number of shields	12
Creepage distance (+/- 5%)	1322 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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Part No. 990214 DMI 51 10 1 H

GTIN 4013364103078, Customs tariff No. (EU): 85354000, Gross weight: 4.00 kg, PU: 1.00 pc(s)

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Additional information

Medium voltage arrester
for protection of transformers,
switching systems and transmission lines
against atmospheric and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 51 kV
Continuous operating voltage: Uc = 40.8 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 1
Rated frequency: (15...62) Hz
Ambient temperature: (-40...+55) °C
Ambient temperature: outdoor (H)
Creepage distance: 1407 mm
HTV-silicon enclosure:: h = 456 mm;
RAL 3013
Supply and mount

Brand: DEHN
Type: DMI 51 10 1 H
Part No.: 990214
or equivalent.

Certificates

Technical data

Nominal discharge current (8/20 µs) (I_n )	10 kA
Rated voltage (a.c.) (U_r )	51 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	40.8 kV
Height (h)	456 mm
Creepage distance (+/- 5%)	1407 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Overload capacity	20 kA
Line discharge class (1)	1 (2.8 kJ/kV _Ur)
Long-duration current impulse (1)	250 A / 2000 µs
Rated voltage (a.c.) (U_r )	51 kV
Continuous operating voltage (a.c.) (MCOV) (U_c )	40.8 kV
Temporary overvoltage (TOV) at 1 sec. (U_1s )	58.7 kV
Temporary overvoltage (TOV) at 10 sec. (U_10s )	55.6 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	147.7 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	128.3 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	138.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	153.2 kV
Residual voltage at 40 kA (8/20 µs) (û_res )	172.5 kV
Residual voltage at 125 A (40/100 µs) (û_res )	100.7 kV
Residual voltage at 250 A (40/100 µs) (û_res )	103.9 kV
Residual voltage at 500 A (40/100 µs) (û_res )	107.6 kV
Residual voltage at 1000 A (40/100 µs) (û_res )	111.8 kV
Residual voltage at 2000 A (40/100 µs) (û_res )	117.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (dry) (U_PFWL )	168 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	112 kV
Insulation of arrester housing / nominal lightning withstand voltage (U_LIWL )	246 kV
Height (h)	456 mm
Shield spacing (h₁ )	30 mm
Number of shields	13
Creepage distance (+/- 5%)	1407 mm
Torsional strength	78 Nm
Maximum permissible dynamic service load (MPDSL)	230 Nm
Tensile strength	1400 N
Ambient temperature (T_A )	-40 °C ... +55 °C
Altitude	up to 1000 m above sea level
Power frequency (f_N )	16-62 Hz
Housing material	HTV silicone housing
Colour	auburn, RAL 3013
Fittings	terminals, screws and nuts of stainless steel
Conductor clamp	up to Ø16 mm
Test standards	IEC 60099-4

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DEHNmid

Details

DMI L

Part No. 990001 DMI 3 10 1 L

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Part No. 990004 DMI 12 10 1 L

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DMI N

Part No. 990101 DMI 3 10 1 N

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Part No. 990102 DMI 6 10 1 N

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Part No. 990103 DMI 9 10 1 N

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