In this video following topics are explained in Tamil with simple animation

 MCB means what?...Purpose of MCB
 MCB Internal parts- Electromagnetic coil, Bimetal strip, Arc chute, Switching mechanism
 MCB working principle-Electromagnetic coil, Bimetal strip
 Types of MCB-Pole-1,2,3,4 , Curve-B C D K based on tripping curve
 Selection of MCB-Equipment wise
 MCB Symbols meaning- Thermal protection, Over current protection
 MCB Connection- Unidirectional, Bidirectional

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