MCCB – What is a molded case circuit breaker and how does it differ from an MCB

What is an MCCB

It is a protection breaker used primarily in higher current applications and industrial installations.

Difference from an MCB

An MCCB typically has a higher breaking capacity and often features adjustable protection settings.

What it protects

• Large supply lines.
• Motors.
• Distribution boards.
• Industrial equipment.

Attention

Settings must not be changed arbitrarily. They must correspond to the cable and the load.