Leading Indoor Vacuum Circuit Breaker Manufacturer

Within medium-voltage networks, a circuit breaker's dependable operation is governed by more than just its arc-extinguishing capacity. The stability of its operating mechanism, the consistency of its energy storage, and the responsiveness of its electrical controls are equally decisive factors. At Usune, our engineering team has developed the ZN85C-40.5 40.5kV Indoor Vacuum Circuit Breaker for three-phase AC 50Hz indoor power systems, tailoring it for industrial and mining enterprises, power plants, and substations that require steadfast electrical control and protection.