{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ACS550-U1-125A-4+B055","brand":"ABB","brandSlug":"abb","productSlug":"ACS550-U1-125A-4~3B055","canonicalUrl":"https://aoctrl.com/abb/ACS550-U1-125A-4~3B055","factsUrl":"https://aoctrl.com/api/mcp/products/ACS550-U1-125A-4%2BB055","rawCanonicalId":null},"summary":{"shortDescription":"ABB ACS550 series ACS550-U1-125A-4+B055 motor drive, 400 V class, 125 A frame, supplied as a single ABB Drives catalog line item at 34.02 kgs.","salesMarkdown":"## What you're looking at The ACS550-U1-125A-4+B055: The '+B055' suffix is an ABB factory option code applied to the base ACS550-U1-125A-4 catalog line; it travels with the drive as ordered and is part of how the MPN is specified into the BOM, not a separate component. ## Same-frame cross-shop: ACS550-U1-072A-4+B055+L512 ACS550-U1-072A-4+B055+L512 matches this drive at 34.02 kg; ACS550-U1-059A-4+B055 weighs 36.29 kg and ACS550-U1-096A-4 weighs 19.96 kg, so only the 072A shares the chassis class for direct cross-shop.","metaTitle":"ABB ACS550-U1-125A-4+B055 Drive, 125A 400V","metaDescription":"ABB ACS550-U1-125A-4+B055 ACS550 series motor drive, 34.02 kgs. Specified into the BOM against an RFQ; quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["AC Drive (VFD) 480V"],"specifications":{"Part #":"ACS550-U1-125A-4+B055","Weight":"34.02 kgs","Category":"Drives","Sub Category":"Motor Drives","Top Category":"Motors & Motor Controls","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/ACS550-U1-125A-4%2BB055/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/ACS550-U1-125A-4~3B055","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/abb/ACS550-U1-125A-4~3B055 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}