{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3SF7844-8TB11-0SS1","brand":"Siemens","brandSlug":"siemens","productSlug":"3SF7844-8TB11-0SS1","canonicalUrl":"https://aoctrl.com/siemens/3SF7844-8TB11-0SS1","factsUrl":"https://aoctrl.com/api/mcp/products/3SF7844-8TB11-0SS1","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC FS420I Type 4 safety light curtain receiver, 14 mm resolution, 750 mm protected height, 0 to 6 m range, PROFIsafe bus connection, order code 3SF7844-8TB11-0SS1.","salesMarkdown":"## Type 4 receiver for finger detection up to 6 m The Siemens 3SF7844-8TB11-0SS1 is a Type 4 safety light curtain receiver from the SIMATIC FS420I series, with 14 mm resolution and a 750 mm protected height. The 14 mm detection capability meets finger-protection class per IEC 61496-1, meaning it catches fingers reaching into the hazard zone. The operating range spans 0 to 6 m, and it communicates via PROFIsafe bus connection for integration into safety-rated fieldbus networks.","metaTitle":"Siemens 3SF7844-8TB11-0SS1 Safety Light Curtain Receiver, Ty","metaDescription":"Siemens 3SF7844-8TB11-0SS1 Type 4 safety light curtain receiver, 14 mm resolution, 750 mm height, 0 to 6 m range, PROFIsafe. Current lifecycle. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Safety Interlock Switches"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/3SF7844-8TB11-0SS1/alternatives.json"},"ai":{"faq":[{"question":"What is the 3SF7844-8TB11-0SS1 used for?","answer":"It is a Type 4 safety light curtain receiver used for finger detection (14 mm resolution) in hazardous machine guarding applications, with a 750 mm protected height and a 0 to 6 m range, communicating over PROFIsafe."},{"question":"Where can I buy 3SF7844-8TB11-0SS1 and how do I get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commercial offer."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3SF7844-8TB11-0SS1","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/3SF7844-8TB11-0SS1 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}}