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Do the Powerpact H and J frame breakers have interchangeable thermal-magnetic trip units?
Trip units can be changed on Powerpact H ,J and L frame breakers with the T or R suffix only. Trip units without the T or R suffix cannot be changed.
Circuit breakers with interchangeable trip units are marked Line and Load and CANNOT be reverse fed.
Note that interchangeable trip units are not possible on I-Line H and J breakers or on 2 pole breakers.
See Supplemental Digest or product catalog for more information.
*Available trip units for Powerpact H 60A frame
*Available trip units for Powerpact H 100 and 150A frames
*Available trip units for Powerpact J 250A frame
*Note that trip units grouped together in tables above are all interchangeable with other trip units in that table, but not with those in the other tables.