Frequently Asked Questions
What is the difference between an MCCB and a miniature circuit breaker (MCB)?
MCCBs are designed for higher current ratings and are used in larger electrical systems, while MCBs are designed for lower current ratings and are used in smaller electrical systems.
What is the proper maintenance procedure for an MCCB?
Regular maintenance includes cleaning the contacts and testing the trip unit for proper functioning.
How to troubleshoot an MCCB that keeps tripping?
Check for loose connections, overloads or short circuits in the electrical system.
How can I prevent unwanted tripping in an MCCB?
Unnecessary trips can be prevented by properly sizing the MCCB for the load and maintaining the electrical system to prevent overloads or short circuits.