{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3SF5900-2CD","brand":"Siemens","brandSlug":"siemens","productSlug":"3SF5900-2CD","canonicalUrl":"https://aoctrl.com/siemens/3SF5900-2CD","factsUrl":"https://aoctrl.com/api/mcp/products/3SF5900-2CD","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3SF5900-2CD connection element, AS-i M12 connector, for AS-i enclosure, metal, 4-6 control points, M25, IP67, direct mounting.","salesMarkdown":"## AS-i Connection Element for Harsh Environments The Siemens 3SF5900-2CD is a metal connection element designed to interface AS-i M12 fieldbus cabling with an AS-i enclosure, supporting 4 to 6 control points through a single M25 gland entry. Its IP67 rating means the housing and M12 connector withstand washdown, dust ingress, and oil mist — suitable for food-and-bev, automotive body shops, and packaging lines where coolant or sanitizer sprays are routine. Rated for ambient operation from -25 to +70 °C, this part handles freezer-zone conveyors and hot-side machine cabinets without derating. The direct-mounting fastening method means it bolts to the enclosure wall or bracket; no DIN rail is involved, so panel layout must reserve a flat mounting surface with M25 clearance. RoHS compliance date is recorded as 07/01/2006, meaning the part was transitioned to the EU RoHS directive before that date.","metaTitle":"Siemens 3SF5900-2CD Connection Element, AS-i M12, IP67","metaDescription":"Siemens 3SF5900-2CD connection element for AS-i M12, IP67, -25 to +70°C, direct mounting. Current lifecycle. Available to order; price confirmed at quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Safety Interlock Switches"],"specifications":{"lifecycle_stage":"current","Fastening Method":"direct mounting","Product Designation":"connection element","protection class IP":"IP67","Substance Prohibitance (Date)":"07/01/2006","Ambient Temperature During Operation":"-25 ... +70 °C","reference code according to IEC 81346-2":"X","Type Of Electrical Connection For Auxiliary And Control Circuit":"connector"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/3SF5900-2CD/alternatives.json"},"ai":{"faq":[{"question":"What is the IP rating and temperature range for 3SF5900-2CD?","answer":"IP67 protection against dust and temporary water immersion, with an operating ambient range of -25 to +70 °C."},{"question":"Does 3SF5900-2CD mount on DIN rail?","answer":"No — the fastening method is direct mounting to a flat surface or enclosure wall, not snap-on DIN rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3SF5900-2CD","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/3SF5900-2CD 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}}