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GW10-15 series outdoor high-voltage AC isolating switch (hereinafter referred to as "isolation switch") is a single-phase hook-bar operation type isolating switch, and the knife has self-locking device. The isolating switch is suitable for the isolation of 12kV and 15kV overhead lines, and is opened and closed under no load. It is widely used with circuit breakers or load switches to provide safe visible breaks for the line. The isolating switch complies with GB 1985-2014 "High Voltage AC Isolation Switch and Grounding Switch", DL/T 486-2010 "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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| eClass |
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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