JSR6-40.5 Gas-Insulated Metal-Enclosed Switchgear (referred to as Gas-Filled Ring Main Unit) is a compact gas-insulated medium-voltage switchgear developed by absorbing foreign technology and integrating the requirements of domestic power supply systems. The extensive use of advanced laser technology, sensing technology, and testing technology in the manufacturing process ensures the high safety and reliability of the product.
JSR6-40.5/(R/T)630-20(31.5) gas-filled ring main unit is a 50Hz AC three-phase indoor high-voltage distribution device. It seals the load switch, grounding switch, and busbar circuit together within a metal enclosure, using a spring operating mechanism and SF6 gas as the arc-extinguishing and insulating medium. It is suitable for ring or dual-radial power supply of 40.5 kV lines and can transform the original single-radial supply. In case of line faults, it can promptly restore transformer circuit feeding, significantly improving the reliability and utiliza
Safe and Reliable
Switches, busbars, and other high-voltage live components are sealed inside a stainless steel enclosure. Cable connections are fully insulated and touch-safe, ensuring that operators and maintenance personnel are not at risk of electric shock.
● The gas chamber is made of high-quality stainless steel plates with laser welding technology, preventing gas leakage and ensuring a service life of over 30 years.
● Equipped with a complete mechanical and electrical interlocking system to effectively prevent misoperation. On-site cabinet assembly does not require gas recovery or replenishment.
Strong Environmental Adaptability
● Fully insulated and fully sealed, unaffected by the environment.
● Insulation performance is not affected by altitude.
● Can be installed in humid, sandy, dusty, salt spray, mining areas without the need for special protective measures.
Maintenance-Free
● Features a robust structure and excellent mechanical and electrical performance, ensuring high reliability and durability.
● The load switch has an M2-grade mechanical lifespan, requiring no inspection or maintenance throughout its entire service life.
● Fully sealed structure and high protection level ensure the product is unaffected by the environment, eliminating the need for cleaning or maintenance.
Modular and Flexible Combination Expansion
● Modules are connected via an extension bus, enabling fully modular configuration.
● Can meet various complex power distribution schemes.
Economical
● Small in size, excellent performance, easy to install. Suitable for indoor or outdoor spaces with limited room, saving on installation and construction costs.
● No maintenance costs required.
3D Simulation Design
● Use SolidWorks software for 3D design and simulation.
● Use finite element analysis software for mechanical strength and insulation analysis.
● Product structure optimization design.
