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Answer Posted / ravi kumar indukuri
ELCB Means Earth Leakage Circuit Breaker, It will sense any
leakage between phases and earth also between neutral and
earth. sensitivity of ELCB calculated in milli amps and
available in 10,30,100,300 milli amps ranges, both in
single phase and triple phase. a triple phase ELCB can be
used for single phase.
MCB Means Miniature Circuit Breaker It will sense any
leakage between phases and to neutral, tripping current
will be in Kiloamps
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