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In a 3-phase QO load center, is a backfed main breaker with the PK3MB retaining kit restricted to a certain position?

Published date: 05 December 2018

Issue:
Where can the PK3MB retaining kit be mounted in a 3 phase QO load center?
 
Product Line:
QO 3-phase Main Lug Load Centers
 
Environment:
Load Center Accessories
 
Resolution:
Yes. It is only intended for use in the upper left side of the interior.  This will be in breaker spaces 1, 3 and 5.  There is NOT a retaining kit for mounting a 3-phase backfed main breaker on the upper right side of the panel or in any other location.  

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