How VCB closing circuit is working in ABB brand circuit breaker and VCB closing interlocks and purpose of APR relay , spring charging motor working are explained in this video.
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#VCB #VCBclosingcircuit #VCBclosinginterlocks

1.What is VCB and how it's working
https://youtu.be/M9RF1RXkD2g

2.What are the interlocks in VCB circuit breaker
https://youtu.be/4ASbYG1xiVU