> News

News

Circuit breaker trips during normal operation

Cause analysis: In the normal operating state of the circuit breaker, the circuit breaker does not open when there is no external operating power supply and mechanical opening action. After confirming that there is no misoperation, check the secondary circuit and the operating mechanism. It was foun......

High-voltage vacuum circuit breaker refuses to close, refuses to open

Fault manifestations, cause analysis and solutions of high-voltage vacuum circuit breaker refusal to close and refusal to open

What is a vacuum circuit breaker?

As the name implies, a vacuum circuit breaker is a circuit breaker that uses vacuum to complete arc extinguishing. The vacuum chamber, also known as the vacuum interrupter, is responsible for opening and closing the current-carrying contacts.

Performance characteristics of outdoor high voltage vacuum circuit breaker

Epoxy resin solid insulation, no oil, no SF6, no harm to the environment vacuum breaking, longitudinal magnetic field arc extinguishing, stable and reliable.

<...4 5 6 7 8 >