Sourcing posture for a line-down BOM
Same-function peers worth weighing
An ACH550-UH-023A-4 also appears in the line at 11.34 kgs — a different current rating in the legacy housing, not a confirmed second source for the 087A-frame ACS550.

ABB ACS550 series low-voltage AC drive, suffix +B055, order code ACS550-01-087A-4+B055, listed at 8.00 kgs in the Motor Drives line.
| Parameter | Value |
|---|---|
| Weight | 8.00 kgs |
An ACH550-UH-023A-4 also appears in the line at 11.34 kgs — a different current rating in the legacy housing, not a confirmed second source for the 087A-frame ACS550.
Alternative models and sibling configurations in the same ABB series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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