{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1FK7043-7AK71-1EH0","brand":"Siemens","brandSlug":"siemens","productSlug":"1FK7043-7AK71-1EH0","canonicalUrl":"https://aoctrl.com/siemens/1FK7043-7AK71-1EH0","factsUrl":"https://aoctrl.com/api/mcp/products/1FK7043-7AK71-1EH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 1FK7 high-dynamic synchronous servo motor, 3.08 kg, EOL hot lifecycle stage, 1FK7043-7AK71-1EH0.","salesMarkdown":"## Is 1FK7043-7AK71-1EH0 still in active production? Siemens 1FK7043-7AK71-1EH0 sits in the EOL hot lifecycle stage, which means the line is winding down rather than running unrestricted — any new-build using this code needs to be specified with the supply window in mind. The part belongs to the 1FK7 high-dynamic synchronous motor family. A synchronous servo from this family feeds a SINAMICS drive and lives on the same EtherCAT or PROFIdrive bus as the rest of the axis — distributed-clock sync across the cell is what determines whether a flying-saw or a coordinated transfer actually cuts on the mark. Build the BOM around the drive firmware version, not just the motor code, because a late-state part still has to clear the drive's auto-configuration step on first commissioning. ## What does the 3.08 kg figure mean on the shop floor? Panel-side, the motor is sized for the standard 1FK7 mounting footprint and mates to the SINAMICS S120 drive family via a DRIVE-CLiQ or power-and-signal connector combination specific to the 1FK7 high-dynamic frame — confirm the connector stack on the replacement before the line goes back together. ## Sourcing posture and peer cross-reference Because the lifecycle stage is EOL hot, the open question is not whether the part works but whether it can be obtained cleanly — and at what volume.","metaTitle":"Siemens 1FK7043-7AK71-1EH0 Servo Motor, 1FK7 High Dynamic","metaDescription":"Siemens 1FK7043-7AK71-1EH0 1FK7 high-dynamic synchronous servo motor at end-of-life hot stage. Sourced to order through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Servo Motors"],"specifications":{"Part #":"1FK7043-7AK71-1EH0","Weight":"3.08 kgs","Category":"Motors","Sub Category":"Servo Motors","Top Category":"Motors & Motor Controls","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3,729.52","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/647530720402e9bdb23d5fbad456dc20.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/1FK7043-7AK71-1EH0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 1FK7043-7AK71-1EH0?","answer":"No figure is published on this page because the part sits in the EOL hot stage and pricing moves with the remaining channel stock."},{"question":"When sourcing 1FK7043-7AK71-1EH0, is the 1FK7042-5AK71-1KG3 a drop-in second source?","answer":"Not a literal drop-in — 1FK7042-5AK71-1KG3 is the closest adjacent code in the same 1FK7 line at 2.22 kg versus 3.08 kg here, but the frame length, winding, encoder and brake options differ between the two. A swap needs verification against the project BOM, not just the order code."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/1FK7043-7AK71-1EH0","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/1FK7043-7AK71-1EH0 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}}