What is an MCB in an electric circuit,where are they used & why?
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An MCB is a miniature circuit breaker, it is used in the place of a fuse it neednot be changed again and again it protects from short circuit
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A miniature circuit breaker (MCB) automatically switches off electrical circuitduring an abnormal condition of the network means in overload condition as well as faulty condition. Nowadays we use an MCB in low voltage electrical network instead of a fuse. ... Handling an MCB is electrically safer than a fuse.
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