What is MCCB?

Definition

Moulded Case Circuit Breaker — a larger circuit breaker with adjustable trip settings for protecting motor feeders and distribution circuits. MCCBs provide higher current ratings and more adjustment options than miniature circuit breakers.

Related Terms

MCB

Miniature Circuit Breaker — a compact automatic switching device that protects c...

Circuit Breaker

An automatic switching device that interrupts current flow when an overcurrent o...

Motor Protection

Functions and devices that safeguard a motor from damage due to overcurrent, ove...

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