MCC Breaker / Bus Sizing

rajy2r

Member
rajy2r
Join Date
Nov 2006
Location
Canada
Posts
167
I have a question with regards to sizing of the MCC breaker and MCC Bus.

How do you guys normally approach this. Typically the total connected load demand would be less than the connected load per phase.

Would you size the BUS and Breaker to 125% of the Biggest motor and 100% of the other connected load or the Peak Load sizing ?
 

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