HCBXGN-12 series environmental gas‑insulated AC metal-enclosed switchgear (ring main unit) is a fully-sealed switchgear system. All primary live components and switches are enclosed inside stainless steel housing, free from external environment interference.Adopts modular design, supports arbitrary combination of different units, including circuit-breaker unit, cable incoming unit, PT transformer unit, busbar bushing components. It can realize combination of shared-d-box and extended units to satisfy various secondary transmission & distribution substation demands.The product has passed national high-voltage electrical type-test. With advantages of environmental-protection, reliable performance, compact layout, maintenance-free and strong environmental adaptability. It is suitable for urban power-grid reconstruction, industrial park power-supply, tunnel and railway supporting power-distribution projects.

Standards Compliance

GB/T 3906, GB/T 3804, GB/T 1984, GB/T 1985 and other relevant national standards.