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Circuit Breaker (MCB), Working Principles

A 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 principles of Miniature Circuit Breaker, (MCB) with help of animation. HOW DOES CIRCUIT BREAKER WORK: Under overload condition, the current through the bimetal strip causes to raise the temperature of it. The heat generated within the bimetal itself enough to cause deflection due to thermal expansion of metals. This deflection further releases the trip operator ON/OFF and hence contacts get separated. In some MCBs, magnetic field generated by the coil causes develop pull on bimetal such that it deflection activates the tripping mechanism. ================================================= Visit My Website : https://www.chrvojeengineering.com ================================================= Subscribe and give a support :) ✔ Subscribe    / chrvoje1   ✔ WEB https://www.chrvojeengineering.com ✔ FACEBOOK   / chrvojeengineering   https://www.facebook.com/profile.php?... ✔ TWITTER   / chrvoje1   ✔ LINKEDIN   / hrvoje-cocic-77691128   ============================================= Thanks For Watching....... Please Leave A LIKE and COMMENT ============================================= Create: Framesper Second Hrvoje Čočić Category: Education Music: Supreme Music provided by Audio Library    • Supreme | YouTube Audio Library   Licence: Standard YouTube Licence