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What is the full form of MCB ? The full form of MCB is Miniature Circuit Breaker. It is a kind of electronic switch that functions automatically. It can detect a problem occurring inside a circuit by identifying the extreme amount of current flow in the circuit. MCB Definition: An MCB is defined as an automatically operated switch that protects low voltage electrical circuits from excess current due to overload or short circuit. Working Principle: MCBs use thermal and electromagnetic effects to detect and interrupt overcurrent, ensuring circuit protection. MCB stands for Miniature Circuit Breaker, an automatic switch that protects circuits from overloads and short circuits. Learn about the different types, working principle, functions and advantages of MCBs in this article. MCB stands for Miniature Circuit Breaker, a device that protects electrical circuits from overload and short circuit. Learn about MCB , MCCB, ELCB, and RCCB, their functions, differences, and applications in this blog.
