A Vacuum Circuit Breaker (VCB) is an electrical switching device designed to protect electrical systems from overloads and short circuits, primarily in medium voltage applications (typically 1 kV to 38 kV). What sets VCBs apart from other types of circuit breakers (like oil or air circuit breakers) is their unique method of arc extinction: they use a vacuum as the insulating and arc-quenching medium.
Submit Your Enquiry