The HXGN(XGN)-12 series of fixed AC metal-enclosed ring network switchgear (referred toas "ring network cabinet") is suitable for distribution systems with AC 3-10kV, 50Hz. It iswidely used in urban power grid construction and renovation projects, industrial andmining enterprises, high-rise buildings, and public facilities as a ring network powersupply unit and terminal equipment, playing a role in power distribution, control, andelectrical equipment protection. It can also be installed in prefabricated substations. Thisring network cabinet has strong completeness, small volume, and no combustion andexplosion hazards, with reliable "five-proof" functions. This ring network cabinet meetsthe requirements of technical standards such as GB3906 and IEC60420.