Xgn15-12 series AC metal ring network switch equipment is flNO-12 SF6 load switch as the main switch and the whole cabinet USES air insulation, suitable for distribution automation, compact expandable metal closed ring network switch equipment. It has the characteristics of simple structure, flexible operation, reliable linkage and convenient installation. To provide a variety of applications, different user requirements can provide satisfactory technical solutions. The main switch of XGN15-12 series AC metal ring network switch equipment is flN36-12 produced by our company or SFG SF6 load switch produced by ABB company. It can also be equipped with VS1, VD4/S, ISM vacuum circuit breaker or HD4/S5 SF6 distributor according to user's needs. The load switch and circuit breaker can be operated manually or electrically. Distribution automation function can be realized by selecting electric operating mechanism, Pt. Ct. FTU and communication device.