Sq D as combiner box [RE-wrenches]

[Jerry Caldwell]

John,

What is the difference between the AIR rating and the
AIC rating?

Jerry Caldwell
Light Energy Systems

--- jberdner at sma-america.com wrote:
> David:
> 
> The QO's have a low AIC rating and I have seen them
> weld closed when trying
> to interrupt large fault currents.


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