HXGN15A-12 (F · R) box-type fixed AC metal-enclosed ring network switchgear (referred to as ring network cabinet) is a new type of high-voltage switchgear produced for the needs of urban power grid transformation and construction. In the power supply system, it is also used to turn off the load current and short-circuit current and turn off the short-circuit current. The ring network cabinet is equipped with a vacuum load switch, and the operating mechanism is a spring-operated mechanism. The machine can be operated both manually and electrically. The grounding switch and the isolator are equipped with a manual operating mechanism. The ring network cabinet has strong complete set, small size, no danger of combustion and explosion, and has reliable “five defenses” function.