GW9 Series Outdoor Disconnectors Electric Isolator Switch of Medium Voltage
Why use GW9 disconnectors?
1. Simple Structure
2. high reliability
3. design and manufacture in accordace with IEC 62271
4. More than 24 years of experience
Specifications:
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 |
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