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(H) GW9-12 series outdoor high-voltage AC single-phase isolating switch (hereinafter referred to as "isolation switch"), for 10kV line to be exchanged under voltage and no load, as well as for high-voltage busbars, circuit breakers and other electrical equipment to be repaired Electrically isolated from live high voltage lines. The isolating switch complies with GB 1985-2014 "High Voltage AC Isolation Switch and Grounding Switch", DL/T486-2010 (High Voltage AC Isolation Switch and Grounding Switch) and other technical standards.
Technical Information
Technical Specification |
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Rated frequency |
| Hz | 50 | |
Rated voltage |
| kV | 12 | |
Rated current |
| A | 630(250) | |
Rated short-time withstand current and duration | kA/s | 20(25)/4 | ||
Rated peak withstand current | kA | 50(63) | ||
Rated short-time power frequency withstand voltage |
| Interphase and ground (dry test) | kV/min | 42/1 |
| Fracture (dry test) | kV/min | 48/1 | |
| Phase to ground (wet test) | kV/min | 30/1 | |
| Fracture (wet test) | kV/min | 36/1 | |
Lightning impulse withstand voltage |
| Phase to ground | kV | 75 |
| Fracture | kV | 85 | |
Loop resistance |
| μΩ | ≤80 | |
Mechanical life |
| Times | 3000 | |
Pollution level |
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| e Class | |
Creepage distance |
| mm | ≥372 | |
Overall and installation dimensions
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+86 577 61666 016
Mailbox：wzxikai@wzxikai.com
Tel：+86 577 61666 016
Fax：+86 577 61666 010
Add：No.271, Weishiqi Road, Yueqing Economic Development Insuatrial Zone, Yueqing, Zhejiang.
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