RDS15-12 type fully sealed and fully insulated ring network switchgear (hereinafter referred to as “inflatable cabinet”) is a new type of medium voltage ring network cabinet developed by our company by absorbing foreign advanced technology. It adopts automatic laser cutting machine tool, numerical control sheet metal processing center, automatic welding machine, SF6 gas automatic maintenance equipment, various advanced testing instruments and supporting advanced flexible assembly line, and uses CAD, ERP and other systems to control the company’s production and management, providing an effective guarantee for the high quality and reliability of the switchgear. The ring network switchgear adopts modular design, with its perfect unity of fixed and flexible expansion, it is suitable for different applications and provides satisfactory technical solutions for different users. The use of sensing technology and the latest microcomputer protection devices, coupled with…