Answer / vinayak

For 6.6 KV Motor's VCB haves inbuilt interlock that if you
try to rack out VCB it will trip VCB and naturally trip
Motors. IS/IEC will not permit omit this intelock.

In Case if interlock not working, It will produce arching
and Noise at point of disconnection of contact.

Answer / jk

No doubt, It'll Trip the motor.

Answer / shahid mukhtar

there is a mechanical lock which inhibits breaker to
rackout in case of breaker close. so you cannot rackout
braker in close position.

Answer / sri rama murthy

electrical flash can take place as it happened in my
industry

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