Class I+II surge arrester, Iimp 12kA

FV40B+C/4-xxx S

- Class I+II surge arresters.
- 4P, 3 phases
- Imax 80kA, In 40kA, Iimp 12kA.
- High energy MOV and GDT hybrid unit inside.
- Low residual voltage and quick response.
- Reliable control thanks to Thermo Dynamic Control disconnector.
- With remote signaling contact for control device.
- Protection mode: L1-PE, L2-PE, L3-PE, N-PE.

1.Coding system

2.Dimension and circuit of classI+II surge arresters (classB+C surge arresters) FV40B+C/4-xxx S

3.Electrical parameters of classI+II surge arresters (classB+C surge arresters) FV40B+C/4-xxx S

Model No. FV40B+C/4-
Rated Voltage UN VAC 110/220 230/400 230/400
Max. continuous. operating voltage UC VAC 150 275 320
Nominal discharge current(8/20μs) In kA 40 40 40
Max. discharge current (8/20μs) Imax kA 80 80 80
Iimpulse discharge current (10/350μs) Iimp kA 12 12 12
Voltage protection level (at In) Up kV ≤1.5 ≤1.7 ≤2.0
Response time tA ns <25 <25 <25
Recommended back-up fuse A 160 160 160
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
Remote control contact Optional


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