circuit breaker

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circuit breaker is a device which use as a switch on and off in normal condition and works as a automatic switch any fault and  emergency in circuit.circuit breaker is very useful device in this time.

circuit breaker classified there current ,voltage rating ,it detects low voltage and high voltage current to response fast to protect whole electric circuit  at home office etc.

circuit breaker working video shown below how its work.

what is inside the circuit breaker shown below in the video  

 



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