XGN15-12 (L)/T630-25 and XGN15-12 (L · R)/T100-31.5 box-type fixed AC metal-enclosed switchgear is mainly used for three-phase AC 50Hz, rated voltage 10kV power system ring network power supply or double radiation power supply, can also be used for end point power supply as a control and protection device for electrical equipment, it is also suitable for loading box-type substations, especially compact box-type substations.