XGN-12 high voltage alternating current metal-cased closed drawer switch device is suitable for 12KV three-phase AC power network of 50Hz. The device is extensive used for industry. Civil cable looped network and terminal power supply, especially for power receipt and distribution for urban residential community, secondary mini-power substation, switching station, industrial and mining enterprises, shopping mall, airport, subway, small and medium power station, hospital, stadium, railway, tunnel etc...The equipment is the newest metal closed switchgear use air insulation, and it has many advantages such as: Simple structure, flexible operation, easy installation, reliable interlocking and so on.