The Fixed Side-Mounted Type VS1 Indoor High Voltage Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is an indoor switchgear used in 12kV power systems. It serves as a protection and control unit for power grids and industrial and mining enterprises. It is suitable for switching various types of loads and for applications requiring frequent operations and multiple interruptions of short-circuit currents.

This product adopts a newly developed operating mechanism. The primary part of the VS1 circuit breaker can be equipped with internationally branded solid-sealed poles, which integrate the vacuum interrupter and the main conductive components into a single sealed unit. This design effectively protects the interrupter from impacts, dust, and condensation, offering excellent environmental adaptability and significantly reducing operation and maintenance costs.

It truly realizes maintenance-free performance for the primary circuit and low-maintenance requirements for the operating mechanism. The operating mechanism is integrated with the circuit breaker body and has passed type tests, achieving an E2 level of electrical endurance and an M2 level of mechanical endurance.

Specification