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Can the main breaker in ANY CSED, that is supplied with a main breaker, be replaced with an alternate ampere rated main breaker?

Issue:
Product Design Features

Product Line:
Combination Service Entrance Devices (CSED)

Environment:
Main breaker or Service Disconnect

Cause:
Application 

Resolution:
The factory installed main breaker can be changed to a LOWER ampere rated main breaker, within the ampere range available for the frame size of the factory installed main breaker.
NOTE: DO NOT EXCEED THE MAXIMUM AMPERAGE RATING OF THE DEVICE AS MARKED ON THE LABELING IN THE DEVICE.

For 125amp MAX devices. If the Main breaker installed in the CSED is a QOM1 Frame size the below amperages may be used
QOM125VH
QOM110VH
QOM100VH
QOM90VH
QOM80VH
QOM70VH
QOM60VH 
QOM50VH

For 225Amp Max Devices. If the Main Breaker installed in the CSED is a QOM2 Frame size the below amperages may be used.
QOM2225VH
QOM2200VH
QOM2175VH
QOM2150VH
QOM2125VH
QOM2100VH

For 300 and 400amp Max Devices. If the Service Disconnect installed is a Q-Frame size the below amperages may be used. (SEE CURRENT DIGEST FOR COMPLETE CATALOG NUMBERS OF BREAKERS)
Prefix QBL at 10k A SCCR - From 70amp up to 200amp
Prefix QDL at 25k A SCCR - From 70amp up to 200amp
Prefix QGL at 65k A SCCR - From 70amp up to 200amp
Prefix QJL at 100k A SCCR - From 70amp up to 200amp

More information on our Combination Service Entrance Devices (CSED) here.
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