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This is 12KV E3 level Vacuum Circuit Breaker,.
| ITEM | UNIT |
VCB |
Earthing switch |
| Rated voltage | KV | 12/24 | 12/24 |
| Rated current | KA | 630/1250 | 630/1250 |
|
Rated Frequency
|
50/60 | 50/60 | |
|
Power Frequency Withstand Voltage Ud
|
KV | 42/48 | 42/48 |
|
Impulse Withstand Voltage
|
KA | 75/85 | 75/85 |
|
Rated Short-Circuit Making Current(Peak)
|
KA | 50/63 | / |
|
Rated Short-time Withstand Current
|
KA | 20/25 | 20/25 |
|
Rated Short Circuit Breaking Current
|
KA | 20/25 | / |
|
Life time
|
TIMES | 10000 | 3000 |
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