DEHNsolid

Coordinated spark-gap-based lightning current arrester
Extremely high lightning current discharge capacity up to 200 kA (10/350 µs)
Low voltage protection level U_P ≤ 2.5 kV
Extremely robust design for installation on busbars or mounting plates

DEHNsolid 1 255

Coordinated single-pole lightning current arrester for use in 230 / 400 V systems; for installation on busbars or mounting plates.

1 Product

Part No. 900230 DSO 1 255

GTIN 4013364153783, Customs tariff No. (EU): 85363090, Gross weight: 1.67 kg, PU: 1.00 pc(s)

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Coordinated DEHNsolid 1 255 lightning current arrester
Coordinated single-pole lightning current arrester for
maximum requirements on the lightning current discharge capacity
Type 1 SPD classification as per EN 61643-11
Non-exhausting and robust design for installation
on busbars or mounting plates
Max. continuous operating voltage: 255 V a.c.
Voltage protection level: <= 2.5 kV
Lightning impulse current (10/350): 200 kA
Follow current extinguishing capability: 3 kArms
Dimensions: 200 x 186 x 52 mm

Brand: DEHN
Type: DSO 1 255
Part No.: 900230
or equivalent.

Certificates

Wave breaker function

In the case of spark-gap-based type 1 arresters, the entire current flows through the type 1 arrester during the discharge process. Like a wave breaker, the incoming energy is greatly broken down, which significantly relieves the downstream SPDs. All type 1 arresters in the Red/Line product range feature the WBF wave breaker function.

Technical data

Classification according to EN 61643-11 / IEC 61643-11	type 1 / class I
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Lightning impulse current (10/350 µs) (I_imp )	200 kA
Voltage protection level (U_P )	≤ 2.5 kV
Max. mains-side overcurrent protection	160 A gG

Classification according to EN 61643-11 / IEC 61643-11	type 1 / class I
Max. continuous operating voltage (a.c.) (U_C )	255 V (50 / 60 Hz)
Lightning impulse current (10/350 µs) (I_imp )	200 kA
Specific energy (W/R)	10 MJ/ohms
Voltage protection level (U_P )	≤ 2.5 kV
Directly coordinated with DEHNguard (cable length ≥ 35 cm)	DG S 440 (FM)
Follow current extinguishing capability (a.c.) (I_fi )	3 kA_rms
Follow current limitation / Selectivity	No tripping of fuses up to 3 kA(prosp.)
Response time (t_A )	≤ 100 ns
Max. mains-side overcurrent protection	160 A gG
Short-circuit withstand capability	3 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Operating temperature range (T_U )	-40 °C ... +80 °C
Number of ports	1
For mounting on	PE(N) busbars, min. 35 mm²
Connection	via cable lug, min. 35 mm²/ max. 50 mm²
Enclosure material	thermoplastic, red, UL 94 V-2
Place of installation	indoor installation

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DEHNsolid

DEHNsolid 1 255

Part No. 900230 DSO 1 255

Wave breaker function

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DEHNsolid

DEHNsolid 1 255

Part No. 900230 DSO 1 255

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Wave breaker function

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