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- FATECH surge arrester FV25B/4-275 for 3 phase Class 1 AC System
FATECH surge arrester FV25B/4-275 for 3 phase Class 1 AC System
FATECH surge arrester FV25B/4-275 for 3 phase Class 1 AC System
- Remote Control Contact: Available for models with 'S' in the model number.
- AC Specifications: Voltage ≤ 250V max, Current ≤ 0.5A max, Single core wire with max diameter ≤ 1.5mm.
- DC Specifications: Voltage ≤ 60V max, Current ≤ 0.1A max, Multi-core wire with max diameter ≤ 1.3mm.
- Model Numbers: FV25B/4-150(S), FV25B/4-255(S), FV25B/4-275(S), FV25B/4-320(S), FV25B/4-385(S).
- Test Class: IEC/EN/VDE Class I/B.
- Network Type: TT, TN.
- Protection Mode: L1, L2, L3, N-PE.
- Nominal Voltage: 110V/220V ac, 220V/380V ac.
- Rated Voltage (UC): 150V ac, 255V ac, 275V ac, 320V ac, 385V ac.
- Impulse Current (Iimp): 25kA.
- Nominal Discharge Current (In): 25kA.
- Voltage Protective Level (Up): ≤1.6kV to ≤1.8kV.
- Response Time (tA): ≤100ns.
- Recommended Back-up Fuse: 315A.
- Isolation Resistance: >10 MΩ.
- I/O Connections: L-N: Multi-core wire 10mm ~ 25mm, PE: Multi-core wire >16mm.
- 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 indicator (Green: OK, Red: replace).
- Remote Control Contact: Optional.
- Unique seal construction with multilayer spark gap, preventing spark emission outside the housing.
- Working status indication window and remote control contacts.
- Max continuous operating voltage options: 150V~, 255V~, 275V~, 320V~, 385V~.
- Primarily used in lightning protection zones (LPZ) 0 to 1, suitable for building entrance lines, elevators, minerals, etc.
- 3 phase, 4 poles configuration.
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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