IEC 60056 Ed. 4.0 标准详情
- 标准号:IEC 60056 Ed. 4.0
- 中文标题:
- 英文标题:High-voltage alternating-current circuit-breakers
- 标准类别:国际电工委员会IEC
- 发布日期:
Applies to a.c. circuit-breakers designed for indoor or outdoor installation and operation at frequencies up to and including 60 Hz on systems having voltages above 1 000 V. Applies only to three-pole circuit-breakers for use in three-phase systems a
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