How it compares to the 157A variant
The ACS550-U1-180A-4 shares the U1 frame and 400 V class with the ACS550-U1-157A-4. Both use the same panel cutout and wiring footprint. For 157 A, the 157A unit is a second source; no substitute for 180 A.
ABB ACS550-U1-180A-4 AC Drive, 180A, 400V, EOL
MPNACS550-U1-180A-4
End of Life
ABB ACS550 series general-purpose AC drive, wall-mount U1 frame, 180 A, 400 V class, end-of-life.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 56.70 kgs |
Product details
Frequently asked questions
What is the closest functional second-source?
The ACS550-U1-157A-4 is the same series and U1 frame, but rated 157 A instead of 180 A. It fits the same panel footprint and wiring pattern, so it is a candidate if your load can operate at the lower current. For the full 180 A, there is no drop-in replacement within the ACS550 U1 line.
Will the 180A drive fit into a panel designed for the 157A version?
Yes. Both are U1 frame drives, so physical dimensions and mounting holes are identical. Terminal locations and bus bars have the same layout. However, cable sizing, fusing, and motor protection must be checked for the higher 180 A rating.
How do I source this drive?
Submit an RFQ via this listing. We locate units through our distribution and surplus network. No standard lead time can be quoted; availability is confirmed per request.
MPN
ACS550-U1-180A-4