HT switchgear VCB, or high tension switchgear vacuum circuit breaker, is a switching device that can turn individual circuits or electrical equipment on and off manually or automatically, in normal or emergency situations. VCBs are often used in large industries to protect transformers, lines, and loads, and are typically used for loads above 500KVA. They can operate at 11KV, 630A to 1250A,…
A Vacuum Circuit Breaker (VCB) is a switching device that can turn electrical equipment or circuits on and off, either manually or automatically, in normal or emergency situations. VCBs are designed for medium voltages of over 1 kV and work by quenching electric arcs. Some fundamental tests for high voltage circuit breakers include: Main circuit dielectric test Main circuit resistance test…