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A 6.6 KV motor breaker is try to Drack OUT by me while the
motor running. What will Happened?
a, will Trip.
b,Drack Out lever will not access
c, will get shock
d, noting will happened

Answers were Sorted based on User's Feedback



A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a,..

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.

Is This Answer Correct ?    4 Yes 1 No

A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a,..

Answer / jk

No doubt, It'll Trip the motor.

Is This Answer Correct ?    3 Yes 1 No

A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a,..

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.

Is This Answer Correct ?    1 Yes 0 No

A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a,..

Answer / sri rama murthy

electrical flash can take place as it happened in my
industry

Is This Answer Correct ?    1 Yes 1 No

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