What does the RB suffix of a HOMELINE load center catalog number indicate?
Product design features
Homeline load centers
Catalog number logic
NEMA 3R HOMELINE load centers with a RB suffix in the catalog number will have a hub opening in the top endwall. It will accept 3/4" through 2 1/2" B type hubs. The hub opening is covered with a closing cap (BCAP). Hubs are ordered separately.