DEHNflex

Two-pole surge arrester with monitoring device and disconnector
Enhanced safety due to fault-proof Y protective circuit
Acoustic fault indication
Compact design
For use in flush-mounted systems, cable ducts and flush-type boxes

Details

DEHNflex M

Surge arrester for single-phase 230 V TT and TN systems for use in all installation systems of terminal equipment; compact dimensions.

1 Product

Part No. 924396 DFL M 255

GTIN 4013364091016, Customs tariff No. (EU): 85363010, Gross weight: 34.51 g, PU: 1.00 pc(s)

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DEHNflex M 255 surge arrester
Two-pole surge arrester for all installation
systems of 230 V terminal equipment
Compact dimensions
Type 3 SPD according to EN 61643-11
For use in flush-type boxes and cable ducts
Acoustic fault indication
Max. continuous operating voltage: 255 V a.c.
Voltage protection level: <= 1.5 kV
Total discharge current: 3 kA
Max. mains-side overcurrent protection: 32 A gG or B/C 32 A
Energy-coordinated according to IEC 62305-4 with arresters
of the Red/Line series

Brand: DEHN
Type: DFL M 255
Part No.: 924396
or equivalent.

Certificates

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	1.5 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total )	3 kA
Voltage protection level [L-N] / [L/N-PE] (U_P )	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	B 16 A
Fault indication	acoustic signal on
Dimensions	30 x 50 x 11 mm

SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Nominal voltage (a.c.) (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	1.5 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total )	3 kA
Combination wave (U_OC )	3 kV
Combination wave [L+N-PE] (U_OC_total )	6 kV
Voltage protection level [L-N] / [L/N-PE] (U_P )	≤ 1250 / ≤ 1500 V
Response time [L-N] (t_A )	≤ 25 ns
Response time [L/N-PE] (t_A )	≤ 100 ns
Max. mains-side overcurrent protection	B 16 A
Short-circuit withstand capability for max. mains-side overcurrent protection (I_SCCR )	1 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – safe failure
Temporary overvoltage (TOV) [L/N-PE] (U_T) – Characteristic	335 V / 120 min. – withstand
Temporary overvoltage (TOV) [L/N-PE] (U_T) – Characteristic	440 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L+N-PE] (U_T) – Characteristic	1200 V + U_REF / 200 ms – safe failure
Fault indication	acoustic signal on
Number of ports	1
Operating temperature range (T_U )	-25 °C ... +40 °C
Connecting wires [L, N)	1 mm²,Length 114 mm
Connecting wires [PE]	1 mm²,Length 124 mm
Enclosure material	thermoplastic, red, UL 94 V-2
Place of installation	indoor installation
Degree of protection of installed device	IP 20
Dimensions	30 x 50 x 11 mm

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DEHNflex A

Surge arrester for single-phase 230 V TT and TN systems for use in all installation systems of terminal equipment; with test function; compact dimensions.

1 Product

Part No. 924389 DFL A 255

GTIN 4013364073692, Customs tariff No. (EU): 85363010, Gross weight: 39.87 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNflex A 255 surge arrester
Two-pole surge arrester for all
installation systems of 230‑V terminal equipment
Type 3 arrester as per EN 61643-11
For use in flush-type boxes and cable ducts
Compact design
Acoustic fault indication
with test function
Max. continuous operating voltage: 255 V AC
Voltage protection level: <= 1.5 kV
Total discharge current: 5 kA
Max. mains-side overcurrent protection: 16 A gG or B 16 A
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DFL A 255
Part No.: 924389
or equivalent.

Certificates

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total )	5 kA
Voltage protection level [L-N] / [L/N-PE] (U_P )	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	B 16 A
Fault indication	acoustic signal on
Dimensions	36 x 46 x 19 mm

SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Nominal voltage (a.c.) (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total )	5 kA
Combination wave (U_OC )	6 kV
Combination wave [L+N-PE] (U_OC_total )	10 kV
Voltage protection level [L-N] / [L/N-PE] (U_P )	≤ 1250 / ≤ 1500 V
Response time [L-N] (t_A )	≤ 25 ns
Response time [L/N-PE] (t_A )	≤ 100 ns
Max. mains-side overcurrent protection	B 16 A
Short-circuit withstand capability for max. mains-side overcurrent protection (I_SCCR )	1 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – safe failure
Temporary overvoltage (TOV) [L/N-PE] (U_T) – Characteristic	335 V / 120 min. – withstand
Temporary overvoltage (TOV) [L/N-PE] (U_T) – Characteristic	440 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L+N-PE] (U_T) – Characteristic	1200 V + U_REF / 200 ms – safe failure
Fault indication	acoustic signal on
Number of ports	1
Operating temperature range (T_U )	-25 °C ... +40 °C
Terminal wires	1 mm²,Length 117 mm
Enclosure material	thermoplastic, red, UL 94 V-2
Place of installation	indoor installation
Degree of protection of installed device	IP 20
Dimensions	36 x 46 x 19 mm

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DEHNflex D

Surge arrester for single-phase 230 V TT and TN systems for use in all installation systems of terminal equipment; allows series connection; with test function; compact dimensions.

1 Product

Part No. 924395 DFL D 255

GTIN 4013364076334, Customs tariff No. (EU): 85363010, Gross weight: 79.30 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNflex D 255 surge arrester
Two-pole surge arrester for all installation
systems of 230 V terminal equipment
For through-wiring
Type 3 SPD according to EN 61643-11
For use in flush-type boxes and cable ducts
Compact dimensions
Acoustic fault indication
with test function
Max. continuous operating voltage: 255 V a.c.
Voltage protection level: <= 1.5 kV
Total discharge current: 5 kA
Max. mains-side overcurrent protection: 16 A gG or B 16 A
Energy-coordinated according to IEC 62305-4 with arresters
of the Red/Line series

Brand: DEHN
Type: DFL D 255
Part No.: 924395
or equivalent.

Certificates

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total )	5 kA
Voltage protection level [L-N] / [L/N-PE] (U_P )	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	B 16 A
Fault indication	acoustic signal on
Dimensions	36 x 46 x 19 mm

SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Nominal voltage (a.c.) (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Nominal load current (a.c.) (I_L )	16 A
Nominal discharge current (8/20 µs) (I_n )	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total )	5 kA
Combination wave (U_OC )	6 kV
Combination wave [L+N-PE] (U_OC_total )	10 kV
Voltage protection level [L-N] / [L/N-PE] (U_P )	≤ 1250 / ≤ 1500 V
Response time [L-N] (t_A )	≤ 25 ns
Response time [L/N-PE] (t_A )	≤ 100 ns
Max. mains-side overcurrent protection	B 16 A
Short-circuit withstand capability for max. mains-side overcurrent protection (I_SCCR )	1 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – safe failure
Temporary overvoltage (TOV) [L/N-PE] (U_T) – Characteristic	335 V / 120 min. – withstand
Temporary overvoltage (TOV) [L/N-PE] (U_T) – Characteristic	440 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L+N-PE] (U_T) – Characteristic	1200 V + U_REF / 200 ms – safe failure
Fault indication	acoustic signal on
Number of ports	1
Operating temperature range (T_U )	-25 °C ... +40 °C
Terminal wires	1 mm²,130 / 200 mm long
Enclosure material	thermoplastic, red, UL 94 V-2
Place of installation	indoor installation
Degree of protection of installed device	IP 20
Dimensions	36 x 46 x 19 mm

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DEHNflex

Details

DEHNflex M

Part No. 924396 DFL M 255

Product 924396 was added to Notepad.

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DEHNflex A

Part No. 924389 DFL A 255

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DEHNflex D

Part No. 924395 DFL D 255

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DEHNflex

Details

DEHNflex M

Part No. 924396 DFL M 255

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DEHNflex A

Part No. 924389 DFL A 255

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DEHNflex D

Part No. 924395 DFL D 255

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