{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ACS550-U1-03A3-4+L502","brand":"ABB","brandSlug":"abb","productSlug":"ACS550-U1-03A3-4~3L502","canonicalUrl":"https://aoctrl.com/abb/ACS550-U1-03A3-4~3L502","factsUrl":"https://aoctrl.com/api/mcp/products/ACS550-U1-03A3-4%2BL502","rawCanonicalId":null},"summary":{"shortDescription":"ABB ACS550 series motor drive, order code ACS550-U1-03A3-4+L502, 4.54 kg, with +L502 option suffix on the U1 wall-mount frame.","salesMarkdown":"## Reading the code The ABB ACS550-U1-03A3-4+L502 is an ACS550-series low-voltage AC drive, with the U1 designation pointing at the wall-mount frame and the +L502 suffix selecting a documented factory option on top of the base 03A3-4 rating. Catalog placement is Motors & Motor Controls › Drives › Motor Drives, which is the file path a buyer checking the ABB drive family would expect to find a general-purpose VFD under. ## Frame and handling Mass is 4.54 kg on this U1 wall-mount build, light enough for one technician to handle and seat against a standard sub-panel without a separate support bracket.","metaTitle":"ABB ACS550-U1-03A3-4+L502 Drive, 4.54 kg","metaDescription":"ABB ACS550-U1-03A3-4+L502 ACS550 series motor drive, listed at 4.54 kg. Sourced to order against an RFQ — request a quote for the BOM line.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["AC Drives (VFD)"],"specifications":{"Part #":"ACS550-U1-03A3-4+L502","Weight":"4.54 kgs","Category":"Drives","Sub Category":"Motor Drives","Top Category":"Motors & Motor Controls","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,465.94","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/ACS550-U1-03A3-4%2BL502/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/ACS550-U1-03A3-4~3L502","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-U1-03A3-4~3L502 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}}