What the line card actually says
The ACS550-U1-038A-4+B055: The 9.07 kg figure is the part's only quantified spec in the evidence bundle, and on a wall-mount drive that mass is what sets the panel-side handling expectation: one-person lift into a backplate, no special rigging, but the cabinet still wants a flat mounting surface and the four corner fixings the frame is drilled for.
Sourcing posture for the ACS550-U1-038A-4+B055
The evidence carries no production-status flag on the seed, so nothing is asserted about active or phased status — the close stays qualitative.