Answer / vbn

Thnk u for ur answer sunil sir.but if we use mccb as
incomer..what we will do to protect the motor from earth
leakage??shoud we use an ELCB near to the motor equipmnt??or
should we use an ELR relay in mccb connected via cbct??

Answer / sunil

we will use MCCB because when fuse melt of one phase the
motor will work on two phases in these case the MCCB will cut
off the supplly to the motor. ISOLATOR will not used because
its function is open or close the circuit on no load ond only
.

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