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- FATECH surge arrester FV50B/4-385 for type 1 protection
FATECH surge arrester FV50B/4-385 for type 1 protection
FATECH surge arrester FV50B/4-385 for type 1 protection
- Maximum continuous operating voltage options: 150V~, 255V~, 275V~, 320V~, 385V~.
- Applicable in lightning protection zones (LPZ) 0 to 1, suitable for building entrance lines, elevators, and mineral applications.
- 3-phase, 4-pole configuration.
- AC: U ≤ 250V max, I ≤ 0.5A max, single-core wire ≤ 1.5mm².
- DC: U ≤ 60V max, I ≤ 0.1A max, multi-core wire ≤ 1.3mm².
- Test class: IEC/EN/VDE Class I/B.
- Network type: TT, TN.
- Protection mode: L1, L2, L3, N-PE.
- Nominal voltage: 110/220V~ to 220/380V~.
- Impulse current (10/350μs): 50kA.
- Nominal discharge current (8/20μs): 50kA.
- Voltage protective level: ≤1.8kV to ≤2.0kV.
- Response time: ≤100ns.
- Recommended back-up fuse: 500A.
- Isolation resistance: >10 MΩ.
- I/O connections: L-N multi-core wire 10mm² ~ 25mm², PE multi-core wire >16mm².
- Mounting: 35mm symmetrical rail (EN50022/DIN46277-3).
- Operating temperature range: -40℃ to +80℃.
- Humidity: 30% to 90%.
- Altitude: up to 3000m.
- Degree of protection: IP20.
- Housing material: UL94 V-0.
- Disconnection indicator: Mechanical (Green: OK, Red: replace).
- Optional remote control contact.
Catalog excerpts
Surge Protective Device for Low-voltage Power System ♦ Adopt unique designed seal construction with multilayer spark gap, no spark emission outside the housing. ♦ With working status indication window, and remote control contacts. ♦ Max.continuos operating voltage(Uc)150V~,255V~, 275V~,320V~,385V~for your option. ♦ Mainly used in lightning protection zone (LPZ) 0 to 1, widely used in building entrance lines elevator, mineral, and so on. ♦ 3 phase,4 poles. Remark: if the model number is without“S”, the model is without remote control contact function
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