Type 2 surge arrester FVC20C/4-320(S)
for power suppliesremote signalingwith fault indication

type 2 surge arrester
type 2 surge arrester
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Characteristics

Type
type 2
Applications
for power supplies, remote signaling
Other characteristics
with fault indication, DIN rail, low-voltage, AC, three-phase, plug-in
Voltage

Max.: 320 V

220 V

Primary current

Max.: 40,000 A

20,000 A

Description

1. Description FATECH Class II surge arresters have large discharge current value, high operating voltage, suitable for TN-C, TN-S, TT and IT grounding systems. The cartridges are pluggable design, could be changed easily. These surge arresters not only with visual inspection window, but also can remote transmit “cartridge needs change”information to the technician. 2. Characteristics 1) Narrow size surge protection device special design for saving installation space---width 9mm/pole 2) High discharge current--- Imax 40kA per pole. 3) Indication window for clear display of SPD status--- each pole with one indication window. 4) Remote controlling function -for your option. 5) Pluggable module--- convenient for maintenance. 6) Protection mode --- L1, L2, L3, N-PE 7) 3 phase, 4 poles 3. Electrical Parameters 1) Test class IEC/EN/VDE: Class II/C/T2 2) Type of Network: TT, TN 3) Protection mode: L1, L2, L3, N-PE 4) Nominal voltage 50(60)Hz Un: 220V~ 5)Rated Voltage (Max.Cont. Operating Voltage) Uc:320V~ 6) Max. discharge current (8/20μs) Imax: 40kA 7) Nominal discharge current (8/20μs) In: 20kA 8) Response time tA: L-N: ≤25ns, N-PE: ≤100ns 9) Recommended back-up fuse: 125A 10) I/O Connections: L-N: Multi core wire:1.5-10mm2; PE: Multi core: 2.5-25mm2 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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Surge arresters - class II

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