Miniature Circuit Breaker, (MCB), How does it work?

A Miniature Circuit Breaker (MCB) is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current.  This video gives an brief explanation on working of Miniature Circuit Breaker, (MCB) with help of animation.Also you can view  construction details of  MCB Magnetic Coil, Arc Chute, Bimetal Strip, Copper Braid