What does MCB stand for?

Module Circuit Breakers

Module Circuit Board

Module Compliance Board

Miniature Circuit Breaker

A device designed to perform the same function as a fuse but resettable. When the circuit breaker activates, or trips out, it disconnects the circuit. The fault condition must be found and rectified before the MCB can be reset. Usually for ratings less than 63 A.

Miniature Circuit Breakers

Miniature Circuit-Breaker

Miniature Circuit-Breakers

Miniture Circuit Breaker

Miniture Circuit Breakers