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What does the X mean on the Powerpact H, J, and L electronic trip breakers like LJL36400U31X?

Issue:
What does the X mean on the  Powerpact H, J, and L electronic trip breaker like LJL36400U31X?

Product Line:
Powerpact H, J, and L

Environment:
ILINE and unit mount breaker applications

Resolution:
That digit in the catalog number is for the rating plug. Since this trip unit does not have rating plugs, we use an `X` as a place holder.

CTA-ID : 2059940
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