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Can ANY of the Single Phase, 150 amp up to 225amp, OEM mounting bases be converted to a Main Breaker (for example the QON124L150I or QON142L225I)?

Issue:
Product design Features

Product Line:
QO OEM Mounting Bases

Environment:
Conversion to main breaker

Cause:
Application

Resolution:

NOTE: CANNOT EXCEED THE AMPERE RATING OF THE OEM MOUNTING BASE.
Yes, these Main Lug OEM Mounting Bases can be field converted to a Main Breaker OEM Mounting Base by using a QOM2-VH Main Circuit Breaker Kit. The QOM2-VH kits range from 100 - 225 ampere(see below catalog numbers) and can be field installed to replace the factory installed main lugs. The final acceptance of this component is dependent upon its installation and use in complete equipment submitted to Underwriters Laboratories, Inc. by the OEM.

EXCEPTIONS:
1) The QON12L200FTL CANNOT BE CONVERTED TO A MAIN BREAKER
2) If the QON124L200DL is converted, the Sub Feed lug capability is lost and would require either a branch breaker or a sub-feed lug kit to be mounted on the interior and require pole spaces.

QOM2-VH Catalog numbers:
100amp main breaker kit = QOM2100VH
125amp main breaker kit = QOM2125VH
150amp main breaker kit = QOM2150VH
175amp main breaker kit = QOM2175VH
200amp main breaker kit = QOM2200VH
225amp main breaker kit = QOM2225VH


 
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