{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1FK7043-4CK74-1SA0","brand":"Siemens","brandSlug":"siemens","productSlug":"1FK7043-4CK74-1SA0","canonicalUrl":"https://aoctrl.com/siemens/1FK7043-4CK74-1SA0","factsUrl":"https://aoctrl.com/api/mcp/products/1FK7043-4CK74-1SA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 1FK7 high-dynamic synchronous servo motor, 1FK7043-4CK74-1SA0, 5.90 kg, EOL phase-out, Siemens part.","salesMarkdown":"## Definition and line position The 1FK7043-4CK74-1SA0 is a Siemens 1FK7 high-dynamic synchronous servo motor in the SIMOTICS S family of compact, high-inertia brushless servos used where a machine axis demands rapid acceleration and deceleration profiles rather than steady-state torque at minimum size. As a brushless synchronous servo, it is paired with a SINAMICS-class drive and feedback device, mounted through its flange to the machine frame or gearbox, and specified into motion axes where the 1FK7's inertia class and torque density are the deciding fit factors — packaging lines, converting machinery, indexing tables, and similar short-cycle automation. ## Lifecycle status and supply posture The part carries a of eol_hot, which signals the Siemens EOL/phase-out regime — production is winding down, last-time-buy windows are open or closed depending on variant, and the only honest supply channels are quoted-to-order through authorised distribution or verified independent surplus. For a buyer who has this exact order code on a live BOM, that means pricing and available quantity are quote-driven, lead time is confirmed per order, and any new-unit shipment is traceable back to a Siemens manufacturing lot rather than brokered unknown origin.","metaTitle":"Siemens 1FK7043-4CK74-1SA0 Servo Motor, 5.90 kg","metaDescription":"Siemens 1FK7043-4CK74-1SA0 1FK7 high-dynamic synchronous servo motor, 5.90 kg, EOL phase-out. Sourced to order against an RFQ; availability confirmed at quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Servo Motors"],"specifications":{"title":"1FK7043-4CK74-1SA0","Part #":"1FK7043-4CK74-1SA0","Weight":"5.90 kgs","Category":"Motors","description":"1FK7043-4CK74-1SA0 - 1FK7 HIGH DYNAMIC SYNCHRONOUS MOTOR by SIEMENS","Sub Category":"Servo Motors","Top Category":"Motors & Motor Controls","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$590.55","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/647530720402e9bdb23d5fbad456dc20.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Will 1FK7043-4CK74-1SA0 drop into a panel specified around a 1FK7042-series motor without rewiring?","answer":"Not necessarily — both parts are 1FK7 synchronous servos in adjacent frame sizes, but shaft length, stack length, encoder variant, and connector option all differ across order codes, so a direct drop-in cannot be assumed and the BOM line must be re-validated against the machine's mechanical and feedback interface."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/1FK7043-4CK74-1SA0","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/1FK7043-4CK74-1SA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}