What it is
The ABB ACS550-U1-011A-6 is an AC drive from the ACS550-U1 series, classed as a Motor Drive in the ABB Drives catalog. Listing weight is 8.62 kgs — light enough for a single technician to handle on a backplate or into a wall-mount cabinet without rigging. The on-record part descriptor still carries the ASEA BROWN BOVERI nameplate string, which is consistent with the ABB ACS550 product line.
Panel fit and load sizing
The ACS550-U1 suffix encodes the drive's frame and current rating; the -011A-6 suffix appears in the catalog listing for this MPN, classed under Motor Drives. At 8.62 kgs, the unit fits the same wall-mount pattern as other ACS550-U1 low-frame sizes, so backplate drilling stays within the small-frame footprint common to U1 ratings.
Sourcing posture
Lifecycle status is not listed in the evidence; treat supply as quoted-to-order against an RFQ and confirm lead time at the quote stage. No successor order code is listed for this MPN; evaluate any drop-in by current class and voltage class at RFQ stage rather than assuming a same-code substitute.