{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1FK7044-7AH71-1SB3","brand":"Siemens","brandSlug":"siemens","productSlug":"1FK7044-7AH71-1SB3","canonicalUrl":"https://aoctrl.com/siemens/1FK7044-7AH71-1SB3","factsUrl":"https://aoctrl.com/api/mcp/products/1FK7044-7AH71-1SB3","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 1FK7044-7AH71-1SB3 SIMOTICS S-1FK7 servo motor, 3.76 kgs, end-of-life lifecycle, 3-phase, for motion axes pairing with a SINAMICS drive.","salesMarkdown":"## Siemens 1FK7044-7AH71-1SB3 at end-of-life hot — what that means for the BOM line The 1FK7044-7AH71-1SB3 is a Siemens 1FK7-series servo motor in the Servo Motors category, and the ledger carries the lifecycle stage as eol_hot, which in practice means the factory allocation window is closing and new production is no longer being scheduled against repeat orders. The plant view is simple: if this motor is driving a line today, the next spare is the question that arrived with the search — not a hypothetical upgrade. ## Sourcing posture for an end-of-life servo motor The distributor posture is qualitative by design: no stock count, no immediacy promise, just the route that gets a technician a confirmed unit on the line. That means the procurement decision is binary: hold a known-good spare on the shelf, or scope a panel change over to a different 1FK7 variant; there is no drop-in replacement flagged by the manufacturer. ## Class context — where a 1FK7 servo earns its place on the line A 1FK7-series servo in this frame size is the common partner for a SINAMICS S120 or V90 drive axis on packaging, converting, and small-assembly machinery — the class of part that handles indexing, registration, and high-dynamic positioning where an induction motor with a VFD is too soft. The motor pairs the drive via the resolver or absolute encoder on the feedback connector and the power cable on the terminal box; the storeroom spec sheet on this part is what the maintenance team actually pulls, not a marketing page.","metaTitle":"Siemens 1FK7044-7AH71-1SB3 servo motor, 3.76 kgs","metaDescription":"Siemens 1FK7044-7AH71-1SB3 servo motor, listed as end-of-life hot. Sourced and quoted to order against an RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Servo Motors"],"specifications":{"title":"1FK7044-7AH71-1SB3","Part #":"1FK7044-7AH71-1SB3","Weight":"3.76 kgs","Category":"Motors","description":"1FK7044-7AH71-1SB3 - SERVO MOTOR by SIEMENS","Sub Category":"Servo Motors","Top Category":"Motors & Motor Controls","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2,340.29","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/647530720402e9bdb23d5fbad456dc20.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy 1FK7044-7AH71-1SB3 and how do I get a price?","answer":"Submit an RFQ against the BOM line with the order code and the quantity needed; the quote comes back with the lead time and the unit price for that lot."},{"question":"Will 1FK7044-7AH71-1SB3 drop into a panel that was specified around 1FK7042-5AF21-1UA0 without rewiring?","answer":"No — the 1FK7044-7AH71-1SB3 and the 1FK7042-5AF21-1UA0 are both 1FK7-series servos but they sit in different frame / winding slots within the family. The shaft height, stack length, feedback type, and connector orientation are not guaranteed to match, so a 1FK7044-7AH71-1SB3 should be treated as a different variant for mounting and wiring purposes — verify the bell-housing, feedback connector, and power lead before ordering it as a replacement."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/1FK7044-7AH71-1SB3","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/1FK7044-7AH71-1SB3 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-23T07:28:39.972Z","lastPublished":"2026-07-23T07:28:39.972Z","indexable":true}}