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Type 1 surge arrester FV25B/2-255(S)
for power suppliesremote signalingAC

type 1 surge arrester
type 1 surge arrester
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Characteristics

Type
type 1
Applications
for power supplies, remote signaling
Other characteristics
AC, single-phase, with fault indication, compact, 2-pole, DIN rail, low-voltage
Current

25,000 A

Voltage

Max.: 255 V

220 V

Description

1.Characteristics 1) Adopt unique designed seal construction with multilayer spark gap, no spark emission outside the housing. 2) With working status indication window, and remote control contacts. 3) Max.continuous operating voltage (Uc) 255V~ 4) Mainly used in lightning protection zone (LPZ) 0 to 1, widely used in building entrance lines elevator, mineral, and so on. 5) 1 phase, 2 poles. 2. Electrical Parameters 1) Test class IEC/EN/VDE: Class I/B/T1 2) Type of Network: TT, TN 3) Protection mode: L-PE, N-PE 4) Nominal voltage 50(60)Hz Un: 220V~ 5)Rated Voltage (Max.Cont. Operating Voltage) Uc: 255V~ 6) Impulse current (10/350us) Iimp: 25kA 7)Nominal discharge current (8/20μs) In: 25kA 8) Response time tA: ≤100ns 9) Recommended back-up fuse: 315A 10) I/O Connections: L-N: Multi core wire:10-35mm2; PE: Multi core: > 16mm2 11) Mounting: 35mm Symmetrical rail (EN50022/DIN46277-3) 12) Operation temperature range / humidity / altitude: -40℃~+80℃/30%~90%/3000m 13) Degree of protection: IP20 14) Housing material: UL94V0 15) Disconnection indicator: Mechanical indicator (Green: OK, Red: replace) 16) Remote control contact: Optional

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