write the working of MCBs
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These are functions of Miniature Circuit Breaker or MCB
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MCB (miniature circuit breaker)is used in addition to or in place of an electric fuse in household circuits.MCB is a switch that automatically trips down if the current flowing through it exceeds the prescribed maximum limit.Thus,ot prevents damage or fire.A fuse Or MCB protects the circuit in case of a short circuit and overloading of current.
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