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Can the main breaker in EZM31600GCBC be adjusted down to 1000A?

Adjustable trip range

Product Line:
EZM Main Breaker

1600A Main Breaker

Different long time trip setting required

The RGF36160U31A main breaker can be adjusted, but has an A rating plug with .60 and .63 mulitpliers, which would adjust to 960A or 1008A as the closest values to 1000A. If the A rating plug was replaced with an H rating plug, part number S48840, a trip setting of 992A could be achieved by setting the H rating plug to the .62 multiplier.  
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