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What is the highest ampacity Powerpact R-frame breaker that can be installed as an individually mounted main breaker in a QED-2 switchboard?

Why can't I install a 3000 A R-frame breaker in my QED-2 switchboard?

Product line:  
Main breaker switchboard sections

QED-2 switchboards with main breakers

The highest ampere R-frame that will install in a main section of a QED-2 switchboard is 2500 A.  If 3000 A or higher is needed, you must use a Masterpact NW.
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