China 36kv 630A Indoor AC High Voltage Three Phase Switch Isolator, Find details about China Switch Disconnector, Isolating Switch from 36kv 630A Indoor AC High Voltage Three Phase Switch Isolator
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 |