RXE-12 series permanent magnet operating mechanism ring network cabinet adopts SF6 gas as insulation medium, vacuum arc extinguishing chamber as arc extinguishing switch, the main operating mechanism adopts monostable permanent magnet operating mechanism, the operating mechanism has a long service life, the cabinet structure is compact and miniaturized design occupies a small space; a variety of functional programs can be freely combined; stainless steel gas tank welding, protection grade IP67, the product is free of maintenance, to adapt to a variety of environments; the installation is convenient to meet the demand for power distribution network automation, intellectualization and reliability.