China 10kv 11kv 15kv 20kv Disconnect Switch Load Isolation Switch (gw9), Find details about China Disconnecting Switch, Electric Switch from 10kv 11kv 15kv 20kv Disconnect Switch Load Isolation Switch (gw9)
Parameter Table | ||||||
Items | Technical parameter | |||||
No | Type | GW9-10 | GW9-15 | GW9-20 | ||
1 | Rated Voltage kV | 10 | 15 | 20 | ||
2 | Max working voltage kV | 12 | 17.5 | 24 | ||
3 | Rated frequency Hz | 50 | ||||
Rated current A | 400 | 630 | 1250 | |||
4 | Rated Short Time withstand current and Time kA/s | 20/4 | 25/4 | 31.5/4 | ||
5 | Rated Peak withstand current kA | 50 | 63 | 80 | ||
6 | 1min power frequency withstand voltage (effective value) kV | To earth | 42 | 45 | 65 | |
To phase | 53 | 55 | 79 | |||
7 | Lightning Impulse wishstand voltage(peak value) KV | To earth | 75 | 105 | 125 | |
To phase | 85 | 120 | 145 |