{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1FK7042-5AK71-1UG5","brand":"Siemens","brandSlug":"siemens","productSlug":"1FK7042-5AK71-1UG5","canonicalUrl":"https://aoctrl.com/siemens/1FK7042-5AK71-1UG5","factsUrl":"https://aoctrl.com/api/mcp/products/1FK7042-5AK71-1UG5","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 1FK7 compact synchronous servo motor, 1FK7042-5AK71-1UG5, 4.54 kg, EOL-flagged servo motor line.","salesMarkdown":"## 1FK7042-5AK71-1UG5 on the bench: form factor and family Cataloguing on the storefront places this part under Servo Motors — the sub-category is what most machine builders search when they need a replacement motor that still has to talk to the existing drive via DRIVE-CLiQ or resolver feedback depending on the suffix.","metaTitle":"Siemens 1FK7042-5AK71-1UG5 Servo Motor, EOL, 4.54 kg","metaDescription":"Siemens 1FK7042-5AK71-1UG5 1FK7 compact synchronous servo motor, listed at 4.54 kg. Lifecycle flagged EOL — sourced to order against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Servo Motors"],"specifications":{"title":"1FK7042-5AK71-1UG5","Part #":"1FK7042-5AK71-1UG5","Weight":"4.54 kgs","Category":"Motors","description":"1FK7042-5AK71-1UG5 - 1FK7 COMPACT SYNCHRONOUS MOTOR by SIEMENS","Sub Category":"Servo Motors","Top Category":"Motors & Motor Controls","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,568.88","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/647530720402e9bdb23d5fbad456dc20.pdf","sourceUrl":null},"ai":{"faq":[{"question":"When sourcing 1FK7042-5AK71-1UG5, what's the closest functional second-source — 1FK7042-5AF21-1UA0?","answer":"1FK7042-5AF21-1UA0 is the closest listed peer — same 1FK7 family and the same 4.54 kg mass figure, but the -1UA0 suffix encodes a different winding/feedback/holding-brake combination than -1UG5, so it is a same-family peer, not a confirmed drop-in. Treat it as a mechanical-fit candidate and re-validate the encoder and brake options before committing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/1FK7042-5AK71-1UG5","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/1FK7042-5AK71-1UG5 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-23T02:55:00.777Z","lastPublished":"2026-07-23T02:55:00.777Z","indexable":true}}