The ABB 3BBR50000417728 is the Frame Size R3 variant of the ACH580-01-060A-2 drive. That frame size determines the physical footprint and the power stage — it is the dimension and mounting pattern you need to match against your panel layout.
Frame size R3 — what it means for fit
Frame R3 defines the enclosure dimensions, gland-plate entry, and heat-sink capacity. The R3 frame is the physical envelope you need to clear for panel-mounting.
