{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3TK2853-2BB40-0AB1","brand":"Siemens","brandSlug":"siemens","productSlug":"3TK2853-2BB40-0AB1","canonicalUrl":"https://aoctrl.com/siemens/3TK2853-2BB40-0AB1","factsUrl":"https://aoctrl.com/api/mcp/products/3TK2853-2BB40-0AB1","rawCanonicalId":null},"summary":{"shortDescription":"!!! Phased-out product!!! SIGUARD safety combination Electronic basic unit STOP-0, Maximum achieved SIL:3, PL:E STOP-0, 6 EC, 1 HL Signaling circuit, 1NC Spring-type terminal 24 V DC Customer type (KRAUSS-MAFFEI) Width 90 mm","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Safety Relays"],"specifications":{"Solid":"1x (24 ... 18)","at DC":"0.85 ... 1.1","Maximum":"120 ms","Typical":"120 ms","at 24 V":"10 A","Stranded":"1x (24 ... 18)","at 115 V":"6 A","at 230 V":"6 A","UL approval":"Yes","Safety Switch":"Yes","at DC maximum":"100 ms","During Storage":"-40 ... +80 °C","BG BIA approval":"Yes","lifecycle_stage":"mature","During Operation":"-25 ... +60 °C","Shock Resistance":"5g / 11 ms","Valve Monitoring":"No","Mounting Position":"any","at DC rated value":"24 V","Product Brand Name":"SIRIUS","1-Channel Or 2-Channel":"1","according to IEC 61508":"3","Safety-Related Circuits":"Yes","EMC emitted interference":"IEC 60947-5-1, IEC 60000-4-3, IEC 60000-4-5, IEC 60000-4-6","Tactile Sensor Monitoring":"Yes","Position Switch Monitoring":"Yes","Of The Sensor Input Minimum":"45 ms","Operating Frequency Maximum":"1 000 1/h","Without Core End Processing":"1x (0.25 ... 1.5 mm²)","Type Of Electrical Connection":"spring-loaded terminals","Insulation Voltage Rated Value":"690 V","Monitoring Of Floating Sensors":"Yes","Of The Cascading Input Minimum":"0.045 s","EMERGENCY-OFF circuit monitoring":"Yes","DC resistance of the cable maximum":"500 Ω","Monitoring Of Non-Floating Sensors":"Yes","Relative Humidity During Operation":"10 ... 95 %","air pressure according to SN 31205":"90 ... 106 kPa","of the ON pushbutton input minimum":"0.2 s","protection class IP of the terminal":"IP20","Surge Voltage Resistance Rated Value":"6 000 V","category according to EN ISO 13849-1":"4","protection class IP of the enclosure":"IP20","stop category according to EN 60204-1":"0","Magnetically Operated Switch Monitoring":"No","Contact Reliability Of Auxiliary Contacts":"< 1 error per 100 million operating cycles","Recovery Time After Power Failure Typical":"7 s","Touch Protection Against Electrical Shock":"finger-safe","safety device type according to IEC 61508-2":"Type B","Type Of Voltage Of The Control Supply Voltage":"DC","hardware fault tolerance according to IEC 61508":"1","vibration resistance according to IEC 60068-2-6":"5 ... 500 Hz: 0,075 mm","PFHD with high demand rate according to EN 62061":"1.1E-8 1/h","Mechanical Service Life (Operating Cycles) Typical":"30 000 000","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Recovery Time After Opening Of The Safety Circuits Typical":"500 ms","Backslide Delay Time After Opening Of The Safety Circuits Typical":"50 ms","design of the fuse link for short-circuit protection of the NO contacts of the relay outputs required":"gL/gG: 10 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/3TK2853-2BB40-0AB1/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3TK2853-2BB40-0AB1","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/3TK2853-2BB40-0AB1 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}}