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Contact SupplierA circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation. Circuit breakers are made in varying sizes, from small devices that protect an individual household appliance up to large switchgear designed to protect high voltage circuits feeding an entire city.
A Miniature Circuit Breaker (MCB) is a device that switches and/or protects the lowest common distributed voltage in an electrical system. It is designed to protect conductors and insulation from damage due to overload and short circuit.Miniature circuit breakers are not just for residential applications only. They are used in residential, commercial and industrial applications.In an industrial or commercial application, miniature circuit breakers can be found in load centers, lighting panel boards and individual mountings.