With the Development of Modern Industry With the development of modern industry, electrical control equipment has increasingly high requirements for automation and intelligence. Integrating modules such as power equipment monitoring, protection, and control to achieve unified management has become an inevitable trend. The HCXGW-12 outdoor high-voltage ring main unit cabinet is developed by summarizing the safe and reliable operation experience of switch-equipped branch cabinets and combining with distribution network automation technology. It integrates 12kV switchgear, power PT cabinets, feeder FTUs, etc., into a movable, sealed, and moisture-proof cabinet body, realizing the integration of primary and secondary systems and assembly modularization of urban distribution networks. This equipment has prominent structural advantages: it is composed of fully insulated and fully sealed HCBXGN 囗 series gas-insulated switchgear and an outdoor cabinet body. The outdoor cabinet body has good…