XGN15-12 (F)/T630-25 and XGN15-12 (F · R)/T100-31.5 box-type fixed AC metal-enclosed switchgear are mainly used for loop network power supply or double radiation power supply of three-phase AC 50Hz, rated voltage 10kV power system, and can also be used for terminal power supply as the control of electric energy and the protection device of electrical equipment. It is also applicable to prefabricated box-type substations and switching stations.