XGN口-12 box fixed AC metal-enclosed switchgear (hereinafter referred to as switchgear), the current accident rate is higher for our existing switchgear similar happened in the operation, and so bulky design and development issues, with cabinet body small size, good reliability, high performance circuit breakers, "Five Anti" interlocking institutions, reliable, and simple. Can be applied to any combination of the RMU and to open and close the box. Switchgear for 12kV and below 50Hz three-phase AC power system, as the acceptance and distribution of electric energy household power distribution equipment. Mainly used in power plants, industrial and mining enterprises, the power distribution substations and power systems, sending point and motors, transformers, control and protection. Switchgear meets IEC62271-200, GB3906 standards.