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MCB stands for “Miniature Circuit Breaker.” A miniature circuit breaker (MCB) is a type of electrical switch that is used to protect electrical circuits from damage caused by overloads or short circuits. MCBs are designed to automatically disconnect the circuit when the current flowing through it exceeds a certain level, preventing damage to the circuit and reducing the risk of fires. MCBs are smaller and more compact than traditional circuit breakers, and they are commonly used in residential and commercial buildings to protect electrical circuits and appliances. MCBs are available in a variety of ratings and sizes to suit different applications and are typically rated based on the maximum current they are able to handle.

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