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MCB is used for high rating &MCB is used for lower
rating.What is technical difference between ACB & MCB?
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Answer Posted / sasi karthick a
MCB is for lower voltage and lower currents. MCB short
circuit current level is 10kA only.
ACB is ever for lower and medium voltage and high currents.
Short circuit, making and breaking currents are so high.
Both are using air for quenching medium.
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