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FATECH surge arrester FVB12.5B+C/4-275 for ac power supply

FATECH surge arrester FVB12.5B+C/4-275 for ac power supply

Product catalog summary
Overview: The document describes a surge protective device (SPD) designed to save installation space with a width of 18mm per pole. It features high discharge current capabilities, clear status indication, and optional remote control functionality. The device is pluggable for easy maintenance and supports a protection mode of L1, L2, L3, N-PE across three phases and four poles.
Specifications:
  • Model Numbers: FVB12.5B+C/4-150(S), FVB12.5B+C/4-275(S)
  • Test Class: IEC/EN/VDE Class I+II/B+C
  • Network Type: TT, TN
  • Nominal Voltage: 110/220V~ and 220/380V~
  • Rated Voltage (UC): 150V~ and 275V~
  • Impulse Current (Iimp): 12.5kA
  • Max Discharge Current (Imax): 80kA
  • Nominal Discharge Current (In): 40kA
  • Voltage Protective Level (Up): ≤1.0kV and ≤1.7kV
  • Response Time (tA): ≤25ns
  • Recommended Back-up Fuse: 160A
  • Isolation Resistance: >10 MΩ
  • Connections: Multi-core wire: 4mm ~25mm
  • Mounting: 35mm Symmetrical rail (EN50022/DIN46277-3)
  • Operating Temperature Range: -40℃~+80℃
  • Humidity: 30%~90%
  • Altitude: Up to 3000m
  • Degree of Protection: IP20
  • Housing Material: UL94 V-0
Features:
  • Each pole has an indication window for SPD status display.
  • Optional remote control contact with specific port definitions for AC and DC signals.
  • Mechanical disconnection indicator (Red: replace).
Additional Notes: Models without "S" do not include remote control contact functionality.
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Catalog excerpts

FATECH surge arrester FVB12.5B+C/4-275 for ac power supply-1

Surge Protective Device for Low-voltage Power System ♦ Surge protective device with special design for saving installation space--- width 18mm/pole. ♦ High discharge current--- Iimp 12.5kA per pole. ♦ each pole with one indication window, indication window for clear display of SPD status. ♦ Remote controlling function for your option. ♦ Pluggable module--- convenient for maintenance. ♦ Protection mode --- L1,L2,L3,N-PE. ♦ 3 phase,4 poles. Remark: if the model number is without“S”, the model is without remote control contact function

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.