Type 2 surge arrester FV20C/3+NPE-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
Primary current

20,000 A

Max.: 40,000 A

Voltage

220 V

Max.: 320 V

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) Consisting of a base part and MOV+GDT pluggable protection modules. 2) For using in the lightning protection zones concept at boundary 1-2. 3) The core parts are metal oxide varistor components with high discharge capacity. 4) Low residual voltage and quick response. 5) Reliable control thanks to Thermo Dynamic Control disconnector. 6) With Remote signaling contact for control device. 7) Fault indication via red mark in the inspection window. 8) Protection mode --- L1,L2,L3-N, N-PE 3. Electrical Parameters 1) Test class IEC/EN/VDE: Class II/C/T2 2) Type of Network: TT 3) Protection mode: L1,L2,L3-N, N-PE 4) Nominal voltage 50(60)Hz Un: 220/380v~ 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:4-25mm2 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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