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MCCB stands for ___________ circuit breaker.

  • A.Medium Current
  • B.Molded Case
  • C.Maximum Current
  • D.Minimum Current

Answer: B

MCCB stands for 'moulded case' circuit breaker. It is a breaker for higher currents than an MCB, with its parts sealed in a moulded insulating case, and with thermal and magnetic trips to give protection from overload and short circuit.

The words 'medium current', 'maximum current' and 'minimum current' are not what the letters stand for, so the second option is the answer.

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