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ZW6-12/630-16(20) outdoor vacuum circuit breaker is suitable for three-phase power system with 12 kV or less and 50 Hz AC. Mainly used for farm and urban power network, combined with load current, overload current and short-circuit current, can also be used in other similar places, and can also be used as the disconnection switch of 12 kV grade power grid in urban areas.
Technical Information
Technical Specification |
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Rated voltage |
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| kV | 12 | |
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Rated insulation level |
| Power frequency withstand voltage
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| Dry | kV | 42 |
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| Wet | kV | 34 | ||
| Lightning impulse withstand voltage |
| kV | 75 | ||
Rated current |
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| A | 630 | |
Rated Frequency |
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| Hz | 50 | |
Rated short circuit breaking current |
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| 12.5、16、20 | |||
Rated short circuit closing current |
| kA | 31.5、40、50 | |||
Rated peak tolerable current |
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| 31.5、40、50 | |||
Rated short-time withstand current |
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| 12.5、16、20 | |||
Operational sequence |
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| 分-0.3s-合分180s-合分 Score-0.3s-Score180s-Score | |||
Rated Current Interruption Number (Electrical Life) |
| 次 | ≥30 | |||
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Mechanical life |
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| Times | 10000 | |
Overall and installation dimensions
National Advisory Hotline
+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.
Copyright ? Zhejiang Xikai Electric Co. , Ltd. 技術(shù)支持：鼎諾傳媒
