Arc Extinguishing Medium And Mechanical Design Of Sf6 Circuit Breaker Operating Mechanism
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The sf6 circuit breaker operating mechanism uses SF6 gas as the arc extinguishing medium, employs a mechanical energy storage design, supports local and remote control, and offers high mechanical reliability and a compact structure. This design ensures fast response and high-frequency operation under high current loads. The excellent insulation and arc-extinguishing properties of SF6 gas have made the sf6 circuit breaker spring mechanism widely used in medium-voltage power systems, such as in ABB's HD4 series and PowerIT MV Live Tank circuit breakers.
