The ABB 3BBR0000090438 is an ACS880-01-040A-5 drive in frame size R4. Frame R4 defines the physical envelope — mounting hole pattern, bus bar spacing, and cabinet cutout — so if you are slotting this into an existing panel, that is the dimension that decides fit.
Because this is an active catalog line, the supply chain is straightforward — no broker scavenger hunt, no date-code roulette. Send the quantity and we confirm factory allocation.