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Narrow size 40kA surge arrester 3 phase

Item No: FVC20C/4-xxx (S)
1.Narrow size surge arrester, special design for saving installation space--- width 9mm/pole. 3 Phase.
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-PE, N-PE
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Product Description

1.Coding system



2.Dimension and circuit of surge protective device FVC20C/4-xxx(S)


3.Electrical parameters of surge protective device FVC20C/4-xxx(S)
Model No. FVC20C/4-150S FVC20C/4-275S FVC20C/4-320S FVC20C/4-385S FVC20C/4-440S
Rated Voltage UN VAC 120 230 230 230 400
Max. continuous. operating voltage UC VAC 150 275 320 385 440
Nominal discharge current(8/20μs) In kA 20 20 20 20 20
Max. discharge current (8/20μs) Imax kA 40 40 40 40 40
Voltage protection level (at In) Up kV ≤0.7 ≤1.2 ≤1.5 ≤1.8 ≤2.0
Response time tA ns <25 <25 <25 <25 <25
Recommended back-up fuse A 125 125 125 125 125
Protection mode L1, L2, L3-PE, N-PE
I/O Connections By screw terminal:10-35mm2; By connection bus
Mounting Symmetrical rail(EN50022/DIN46277-3)
Operation temperature range -40℃~+85℃
Degree of protection IP20
Housing material UL94V0
Disconnection indicator Mechanical indicator (Red: Replace)
Remote control contact Optional


4.Installation of surge protective device FVC20C/4-xxx(S)

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