The ABB ACS550-U1-07A5-2 sits in the ACS550 series, catalogued under Motors & Motor Controls / Drives / Motor Drives, with a listed weight of 5.44 kgs.
What the chassis tells you
At 5.44 kgs the unit is a one-person lift for installation — no hoist, no second pair of hands on the cubicle floor. The category placement (Motor Drives) and the ACS550 series tag confirm it carries the standard ABB drive control interface and is meant to be wired into a motor control branch the same way the rest of the line is. Compact frame aside, the wiring path follows normal VFD practice — line in, motor out, control terminals for start/stop and reference — so a panel builder who has terminated any other ACS550 will recognize the layout. Mount the chassis where the heatsink gets airflow; for a 5.44 kg unit that usually means vertical on a flat panel surface, not horizontal on a cable tray.
Sizing against the family
Siblings ACS550-U1-072A-4+B055+L512 at 34.02 kgs and ACS550-U1-059A-4+B055 at 36.29 kgs sit further up the rating ladder and carry option suffixes (+B055, +L512).