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Contact SupplierAn MCB is an automatically operated electrical switch. Miniature circuit breakers are intended to prevent damage to an electrical circuit as a result of excess current. They are designed to trip during an overload or short circuit to protect against electrical faults and equipment failure
An MCB is a Miniature Circuit Breaker designed to protect an electric circuit from overload or short circuit. MCBs have all but replaced fuse wires as a safety measure to protect an electric circuit from over-current because they are safer and come with the advantage that they are reusable.