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ABM INFOCOM PVT LTD on Instagram: "Vacuum Circuit Breaker (VCB) Explained | Working Principle & Arc Interruption In this video, we explain the working of a Vacuum Circuit Breaker (VCB) and how it protects electrical systems during fault conditions. You’ll see how VCB contacts open after receiving a trip signal, how an electric arc is formed, and how the arc is quickly extinguished inside a vacuum interrupter. VCBs are widely used in medium-voltage systems (11kV, 22kV, 33kV) due to their fast ope
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