SF6 Column Circuit Breaker VGP-500

The VGP-500 series circuit breakers are designed for switching electrical circuits during normal and emergency conditions, as well as for automatic reclosing cycles in 50 Hz three-phase AC networks with a nominal voltage of 500 kV. These breakers consist of three poles with arc-quenching chambers in porcelain insulators, mounted on a galvanized frame. Each pole is equipped with its own spring mechanism for synchronous switching. The breakers are controlled and monitored via a digital system (IEC 61850) and can include pre-insertion resistors of the required rating.