what is mean by miniature cricuit breaker?
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MCBs or Miniature Circuit Breakers are electromechanical devices which protect an electrical circuit from an overcurrent. The overcurrent, in an electrical circuit, may result from short circuit, overload or faulty design. ... In order to restart the flow of current the MCB is manually turned on.
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Hey here is your answer
when high voltage then MCB is down automatically to protect from damage
when high voltage then MCB is down automatically to protect from damage
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