Center-mounted combined vacuum circuit breaker

The YLG-12GD series of center-mounted combined vacuum circuit breakers boasts excellent electrical and mechanical performance, with a reliable and stable operating mechanism and an extended service life. The main circuit employs solid‑encapsulated pole assemblies, enhancing the device's environmental adaptability and insulation reliability. It is suitable for 3.6–12 kV power systems and serves as a protective and control unit in grid equipment and power‑distribution designs for industrial and mining enterprises, accommodating a wide range of load characteristics and applications involving frequent operations and repeated interruption of short‑circuit currents. The product features comprehensive mechanical and electrical interlocking mechanisms, delivering exceptional operational stability and reliability to ensure the safety of both personnel and equipment, thereby safeguarding electrical safety.