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Insight - How MCB works

Written By: 

Arpit Jain
 
The dismantled mechanical parts used to pull the knob when the tripping takes place. When the MCB gets tripped the moveable contact which is connected to the knob using these mechanical parts pulls the knob to the off position.
 
mechanical parts in MCB
 
The following image shows the arrangement of the plunger, coil and the spring.
 

 

Comments

I likeD it..I had seen it many times at my home but nver tried to know how it works..thanks to engineersgarage ..evrone shud watch its intresting
explanation is strong. thanks. regards, raja giri

Amazing...

gr8 work.. arc quenching explained nicely. now I know what arc chutes are for.

wow, very nice.

 

Awesome..

 

mcb is a best of electrical component

 

nice & informative

 

Great !!!!!!!!!! nicely Explained!!!!

 

do it can get failure in its work....

Thank you.....it helped me a lot....

 

Great work..... Really Helpful,,,
Thank you so muchhhh....

Very Nice presentation.

Thank you .

thanks

Thanks 

VERY GOOD EXPLANATION

very nice & good presentation.

Thank you .

nice one thanks a lot

 

thank you VERY GOOD EXPLANATION

Hmmmmm, nice , very helpfulll

in witch case:  solenoid will trip or , Bimetal will trip

Really the diagram of MCB helped me a lot in teaching.

Thanks so much.Nice and simple explanation.Do add some video clips if possible.

it is really understandable to every one easily YES I really like it very much

easy explanation which everyone can understand. awesome ,hats off !!...
Havells 32Amp MCB Can you tell me Input and output Line ?

Many thanks for this piece. Really helped me a lot!!

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