Description : What is the difference between MCB & MCCB, Where it can be used?
Last Answer : MCB is miniature circuit breaker which is thermal operated and use for short circuit protection in small current rating circuit. ▪ Normally it is used where normal current is less than 100A. ▪ MCCB ... under frequency may be inbuilt. ▪ Normally it is used where normal current is more than 100A.