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Can H , J or L frame I-Line type breakers have interchangeable trip units?

Issue:
Can H , J or L frame I-Line type breakers have interchangeable trip units?

Product Line:
PowerPact H, J and L frame breakers

Environment:
This only applies to H, J and L frame I-Line breakers. It does not apply to H, J or L frame unit mount breakers.

Cause:
Originally purchased a breaker that needs to be upgraded to a new rating or from Thermal magnetic to electronic trip.

Resolution:
No. The interchangeable trip H, J and L frame breakers are not available in I-Line configuration.
They are available in unit mount only. 
Interchangeable trip breakers are marked with Line and Load markings and cannot be reverse fed.
The I-Line mounting foot prevents the breakers from having interchangeable trip units.

 
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