What are the blanks extensions HLW4EBL and HLN4EBL used for?

These are blank extensions, which are added on to the end of a breaker to fill in the additional space in a deadfront to prevent exposure of the bus.HLW4EBL is to be added onto the end of H and J frame breakers with Micrologic 5 or 6 trip units mounted on the wide side of an I-line panelboard.HLN4EBL is to be added onto the end of H and J frame breakers with Micrologic 5 or 6 trip units mounted on the narrow side of an I-line panelboard.

Released for: Schneider Electric Canada