35KV Three Phases Surge Arresters for Lightning Protection
Specifications
3 surge arresters/unitNew type surge arresters
Limit overvoltage between phases
High capacity ZNO varistor as main component
35KV Three Phases Surge Arresters for Lightning Protection
System rated voltage(KV) |
Protector rated voltage(KV) |
Wiring method |
MCOV(KV) |
D.C U1Ma≥KV |
Power frequency reference voltage ≥KV |
Residual voltage of nominal discharge current ≤KV |
2ms Rectangular impulse current withstand ≥KA |
35 |
51 |
phase- phase |
40.8 |
88.0 |
59.0 |
150 |
200 |
phase- earth |
73.0 |
51.0 |
134 |
Normal service conditions:
1.The ambient air temperature is no higher than +40 degree. no lower than -40 degree.
2.The altitude above sea level does not exceed 2000m
3.Power frequency 48Hz~62Hz
4.Maximum wind speed does not exceed 35m/s
5.The earthquake intensity does not exceed 7 degrees
6.The voltage that long-time exerted shouldn't exceed its Max MCOV
more related picture:
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