AS 2989-1992被替代
Electrical equipment for coal mines - Specific requirements for high voltage circuit-breakers and disconnectors
出版：Standards Australia
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基本信息
标准编号： AS 2989-1992
发布时间：1992/6/15 0:00:00
标准类别：Standard
出版单位：Standards Australia
标准页数：10
标准简介
Specifies the requirements for an assembly which incorporates a high voltage circuit-breaker and an isolating device. It is limited to systems below ground at voltages up to and including 12 000 V a.c. The necessary provisions for isolation, safety earthing and regulatory inspection and testing procedures are also included.
