What is the Difference between MCB & MCCB?

MCB is Miniature Circuit Breaker and mainly used in homes. It breaks at rated current of100A. MCCB is Molded-Case Circuit breakers and it breaks at1000A or higher.

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MCB is a miniature circuit breaker which is used to break small currents. Mostly in domestic LT circuits. The current rating is up to100 A. MCCB is a Module case circuit breaker which has a rugged construction as it can break larger currents usually from100amp and above

MCB – A miniature circuit breaker having current rating not more than Amps.

 

MCCB – A Module case circuit breaker having a higher current rating up to  Amps.