GCK low-voltage extractive switchgear (hereinafter referred to as device) is suitable for 50 Hz AC, rated working voltage 400 V, rated current 4000A and below in the power generation and supply system distribution, motor centralized control, reactive power compensation using low-voltage complete set of distribution devices. The device consists of power distribution center (PC) and motor control center (MCC), which is used in power generation, transmission and distribution systems as power lighting, power conversion, protection and control.

The device can be divided into: receiving cabinet, bus connection cabinet, feeder cabinet, motor control cabinet and power switching cabinet.

According to the design of TN-C grounding system, TN-S grounding system or TN-C-S grounding system, the design department and users can conveniently choose the grounding system type.

The standard is GB7251.1 and IEC60439, GB/T14048.1-93 and other standard requirements.