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What is the part number to replace the bolt-on screw of QOB breakers?

Issue:
Replacement screw for QOB

Product Line:
QOB Bolt-on breakers

Resolution:
The part number for the bolt-on screw for all QOB except the high amp QOB-VH is 4882002001.
The part number for the bolt-on screw for high amp QOB-VH (110 to 150 A) is 4892005301, although this part is no longer available with no replacement.