{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3SF1214-1QV40-1BA1","brand":"Siemens","brandSlug":"siemens","productSlug":"3SF1214-1QV40-1BA1","canonicalUrl":"https://aoctrl.com/siemens/3SF1214-1QV40-1BA1","factsUrl":"https://aoctrl.com/api/mcp/products/3SF1214-1QV40-1BA1","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS mechanical safety switch, 3SF1214-1QV40-1BA1, metal block housing, IP66/IP67, 24 V LED, 2 NC positive-opening contacts, screw fixing, M12 plug connection.","salesMarkdown":"The Siemens 3SF1214-1QV40-1BA1 is a SIRIUS mechanical safety switch with a 24 V LED indicator, housed in a narrow metal block enclosure rated IP66/IP67. It carries two normally-closed positive-opening contacts — the positive-opening feature means the NC contacts are mechanically forced open when the actuator is removed, even if the contacts weld, which is the core requirement for safety circuits per IEC 60947-5-1. The 24 V LED gives a quick visual check of the AS-Interface bus power without needing a multimeter. Mounts via screw fixing in any position — the 31 mm width fits standard DIN-rail spacing but the screw fixing means you bolt it to a subplate or machine frame, not snap it on. The M12 plug with AS-Interface pinout keeps wiring consistent with other AS-i safety slaves on the same yellow cable. The metal housing with cathodic dip coating holds up in washdown zones; IP66/IP67 means it handles hose-down and temporary immersion — food-and-bev or chemical processing lines are the natural fit.","metaTitle":"Siemens 3SF1214-1QV40-1BA1 SIRIUS Safety Switch, 24 V LED, I","metaDescription":"Siemens 3SF1214-1QV40-1BA1 SIRIUS mechanical safety switch with 24 V LED, positive opening contacts, IP66/IP67 metal housing. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Safety Interlock Switches"],"specifications":{"of LED":"24 V","ID1 code":"F (hex, variable 0...F)","During Storage":"-40 ... +80 °C","Repeat Accuracy":"0.1 mm","lifecycle_stage":"current","Active Principle":"mechanical","During Operation":"-25 ... +60 °C","Fastening Method":"screw fixing","Circuit Principle":"slow-action contacts","Mounting Position":"any","Product Brand Name":"SIRIUS","Degree Of Pollution":"class 3","Product Designation":"Mechanical safety switches","Width Of The Sensor":"31 mm","protection class IP":"IP66/IP67","Length Of The Sensor":"118 mm","Design Of The Housing":"block, narrow","Coating Of The Enclosure":"cathodic dip coating","Material Of The Enclosure":"metal","Of The Optional Actuators":"3SE5000-0AV01 standard actuator, 3SE5000-0AV02 actuator with vertical fixing, 3SE5000-0AV03 actuator with transverse fixing, 3SE5000-0AV04 radius actuator left, 3SE5000-0AV05 universal actuator, 3SE5000-0AV06 radius actuator right","AS-Interface slave profile":"0.B.F","Design Of Plug-In Connection":"M12 plug, 4-pole: Pin 1 = ASI+ , Pin 2 = not assigned, Pin 3= ASI-, Pin 4 = not assigned","Substance Prohibitance (Date)":"03/01/2017","Type Of Electrical Connection":"M12 plug, fixed, 4-pole","Insulation Voltage Rated Value":"30 V","Design Of The Actuating Element":"without","Design Of The Switching Contact":"mechanical","Design Of The Switching Function":"positive opening","Product Function Positive Opening":"Yes","Suitability For Use Safety Switch":"Yes","Surge Voltage Resistance Rated Value":"0.8 kV","reference code according to IEC 81346-2":"B","Design Of The Housing According To Standard":"Yes","Number Of Switching Contacts Safety-Related":"2","Material Of The Enclosure Of The Switch Head":"plastic enclosure","number of NC contacts for auxiliary contacts":"2","number of NO contacts for auxiliary contacts":"0","shock resistance according to IEC 60068-2-27":"30g / 11 ms","vibration resistance according to IEC 60068-2-6":"0.35 mm/5g","Mechanical Service Life (Operating Cycles) Typical":"1 000 000","Minimum Actuating Force In Directions Of Actuation":"20 N","Design Of The Interface For Safety-Related Communication":"ASIsafe via M12 plug","type of voltage of the supply voltage of the optional LED display":"DC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/3SF1214-1QV40-1BA1/alternatives.json"},"ai":{"faq":[{"question":"What is the 24 V LED for on this safety switch?","answer":"The 24 V LED indicates AS-Interface bus power is present at the switch, giving a quick visual check that the slave is powered without needing a meter."},{"question":"Where can I buy 3SF1214-1QV40-1BA1 and get current pricing?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3SF1214-1QV40-1BA1","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/3SF1214-1QV40-1BA1 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}}