As the name suggests, a high and low voltage switchgear is a device that connects high or low voltage cables. Generally, power supply bureaus and substations use high voltage cabinets, which are then stepped down by transformers and sent to low voltage cabinets. The low voltage cabinets then go to various distribution boxes for electricity consumption. It is an electrical equipment that combines protective devices such as switches and circuit breakers into one unit.

Widely used in urban power grid renovation, residential communities, high-rise buildings, industrial and mining areas, hotels, shopping malls, airports, railways, oil fields, docks, highways, and temporary electrical facilities both inside and outside the house. Common high-voltage cabinets include KYN28-12 and HXGN-12, while low-voltage cabinets include GGD, GCS, GCK, etc.