I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker

I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel
with 4000A Breaker.Already I have 2500A load.Can I connect
this load directly to the Busbar since I have PROTECTION IN
MY MDP Panel ?

Question Posted / karani

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I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500..

Answer / jagadisha.n bmsit

ya we can..

Actual rating of the motor is 4000A and it was carrying
2500A load since if we connect 500A tio same busbar it
becomes 3000A so it can handled both the load but the prob
is if fault occured in 1 line both the line will trip..

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I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500..

Answer / guest

yes you can

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3 Yes

0 No

I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500..

Answer / santosh bangar

no , because it will trip 2500 A load if fault occur at MDP

it is possible if MDP have it's breaker to clear fault.
then you can connect to MCC bus

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I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500..

Answer / virendra joshi

Dear friend.

Mathamatically it looks possible but bofore making this
arrangment the other factor which you need to consider.

1. The Rating of a transformer.
2. the Ir seeting of a Breaker.
3. Total contract demand if you are using local electricity
board power.
4. change in OT & WT setting.

by checking all the above peramiters you can go ahead.

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0 Yes

1 No

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