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What is the Difference Between MCCB & ACB & VCB
Answer Posted / p.sivaraja
MCCB& Acb are using Lt(440v) level loads.vcb's are using
HT(Above 11000v) level load.MCCB&ACB are isolators its
tripped by external devices eg; thermal magnetic
realse&Micro Proceeser release,SHuntcoil uv coil.
Now days mcb are using upto 125amps,MCCB'S are 18amps to
1250amps,ACB'S are 800amps to 6000amps,vcb's are kv
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