The ABB 3BBR50000038987 is an ACH580-01-12A7-4 drive in Frame Size R1, with a of current and an active product status. This is the part you land on when the BOM calls for that specific ABB order code — no guesswork on frame or revision.
Frame Size and Fit
Frame Size R1 is the physical envelope — it determines the mounting footprint, gland plate clearance, and DIN-rail or backplate hole pattern. When you're swapping into an existing panel or sizing a new one, R1 is the dimension that tells you whether it fits the space without rework.