What the line is
The ABB ACS800-104-0145-5+Q950 is an AC inverter drive in the Motor Drives class, listed at 38.00 kgs. The +Q950 suffix on the order code carries an option selection that is read off the ABB configurator, not from the headline line — the line itself is a standard ACS800 air-cooled industrial drive module. For an MRO planner this is the module class that sits between the line contactor and the motor in a panel — inverter section, control board and gate-drive supply in one wall-mount or cabinet frame — used to run induction motors in process lines where the original spec called for an ACS800.
Handling and panel fit
For a panel builder, the physical envelope on the ACS800-104 is fixed by the frame size tied to the current rating 145 in the code; the option suffix does not change the footprint, so a drop-in replacement against a same-frame ACS800-104 keeps the existing gland plate and busbar work intact.
Sourcing posture
Spec the ACS800-104-0145-5+Q950 into the BOM by the full order code including the +Q950 option string — the option suffix is part of the factory configuration and is not added at the panel. Submit the RFQ against the complete string so the quote matches the build.