Reliance S-D4022 Back Plane

S-D4022 Back Plane is a six-slot rack back plane identified by the part number S-D4022 and listed in the market as a six-slot back plane for Reliance Electric systems. Market references describe it specifically as a “RACK BACK PLANE 6-SLOTS SD4022 RELIANCE,” confirming its role as the interconnect for six module slots in a Reliance Electric rack. The back plane is also represented in Baldor Reliance listings and appears in supplier catalogs such as Soluparts and Radwell, illustrating cross-brand recognition in secondary markets. An active listing on eBay titled “Reliance Electric S-D4022 6-Slot Back Plane” further corroborates the part’s six-slot configuration and SD4022 designation. You may encounter this back plane in vintage automation inventories, and buyers seek it for replacements within legacy installations that used Reliance Electric module families. Because it bears the SD4022 designation, this back plane is the canonical six-slot backplane option across multiple seller listings.