AS 2989-1992被替代
Electrical equipment for coal mines - Specific requirements for high voltage circuit-breakers and disconnectors
出版：Standards Australia
專家解讀視頻
基本信息
標準編號： AS 2989-1992
發布時間：1992/6/15 0:00:00
標準類別：Standard
出版單位：Standards Australia
標準頁數：10
標準簡介
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.
