Insight - How MCB works

 
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 (10)

I likeD it..I had seen it

Submitted by Anonymous on Tue, 22/05/2012 - 16:50.
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

Submitted by Anonymous on Sat, 30/06/2012 - 06:18.
explanation is strong. thanks. regards, raja giri

Amazing...

Submitted by Devansh Mehta on Fri, 01/06/2012 - 20:45.

Amazing...

gr8 work.. arc quenching

Submitted by Anonymous on Thu, 07/06/2012 - 18:20.

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

wow, very nice. 

Submitted by Anonymous on Mon, 11/06/2012 - 14:32.

wow, very nice.

 

Awesome.. 

Submitted by Anonymous on Thu, 14/06/2012 - 20:34.

Awesome..

 

mcb is a best of electrical

Submitted by jaghankeerhussain on Fri, 15/06/2012 - 15:41.

mcb is a best of electrical component

 

nice & informative 

Submitted by unicomsolutions on Sat, 16/06/2012 - 00:56.

nice & informative

 

Great !!!!!!!!!! nicely

Submitted by Manjuprasad on Sun, 17/06/2012 - 14:48.

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

 

do it can get failure in its

Submitted by vineet kumar singh on Sat, 15/06/2013 - 08:33.

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

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