GCS Low voltage draw-out switchgear(hereinafter referred to as device)is used for power distribution systems in power plants,petroleum,chemical,metallurgy,textile,high-rise buildings and other industries.In large power plants&petrochemical systems and other places with high level of automation,which require computer interface,as a low-voltage complete distribution devices with three phases AC frequency of 50(60)Hz,rated working voltage of 380 V,(400),(600),rated current of 4000A and below,distribution in power generation&power supply systems,centralized control of motors,and reactive power compensation.