September 28, 2012

What is circuit breaker? Write the classification of circuit breakers based on the medium used for arc extinction?



Circuit breaker:
It is a piece of equipment used to break a circuit automatically under fault conditions. It breaks a circuit either manually or by remote control under normal conditions and under fault conditions.


Classification of circuit breakers based on the medium used for arc  extinction:
  • Air break circuit breaker
  • Oil circuit breaker
  • Minimum oil circuit breaker
  • Air blast circuit breaker
  • SF6 circuit breaker
  • Vacuum circuit breaker

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