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What does the ``K`` stand for in the third position of a Powerpact breaker part number?

Product Line:
Circuit Breakers

Electrical Distribution Equipment

The ``K`` in the third position of the breaker part number indicates that the I-Line plug-on assembly is mounted at the ``OFF`` end of the breaker, and the lugs are mounted at the ``ON`` end. This replaces the ``MT`` suffix on the Legacy breakers.  
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