What is the retaining kit part number for a 3 pole back-fed breaker, used in a current series QO, 3 phase, Fixed Main Lug Only load center ?

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Issue:
Selection

Product Line:
QO Load Center

Environment:
Retaining kit accessory

Cause:
Application

Resolution:
The retaining kit part number is PK3MB. The PK3MB retaining kit will secure one 3pole branch breaker when used as a back fed main and provides a means for paddlocking the breaker.
This kit includes the retaining bracket, mounting screw, bonding screw, Service Disconnect label and instructions.