{"product_id":"siemens-sirius-3sf1-as-interface-safety-position-switches","title":"Siemens SIRIUS 3SF1 AS-i Safety Position Switches (ASIsafe)","description":"\u003cp class=\"ps-intro\"\u003eSIRIUS 3SF1 mechanical position switches and safety switches with separate actuator with integrated ASIsafe electronics for direct AS-Interface connection.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eIntegrated ASIsafe electronics for safety-related AS-Interface communication\u003c\/li\u003e\n\u003cli\u003eConnection via M12 device plug, 4-pole\u003c\/li\u003e\n\u003cli\u003ePlastic (31\/50 mm) and metal (31\/40\/56 mm) enclosures\u003c\/li\u003e\n\u003cli\u003eBasic switches with rounded plunger; actuator heads from the 3SE5 range\u003c\/li\u003e\n\u003cli\u003eVersions with second channel on M12 socket for an additional sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct line\u003c\/th\u003e\n\u003ctd\u003eSIRIUS 3SF1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eAS-Interface, ASIsafe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eM12 device plug, 4-pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDegree of protection\u003c\/th\u003e\n\u003ctd\u003eIP65 (plastic 31 mm), IP66\/IP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eSafety Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 1172-1188\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1234-1KC05-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Plastic 31 mm | Contacts: 2 NC, slow-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1234-1LC05-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Plastic 31 mm | Contacts: 2 NC, snap-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1244-1KC05-1BA2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Plastic 50 mm | Contacts: 1 NC, slow-action | ASIsafe channels: Ch1 on NC, Ch2 on M12 socket | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1244-1LC05-1BA2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Plastic 50 mm | Contacts: 1 NC, snap-action | ASIsafe channels: Ch1 on NC, Ch2 on M12 socket | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1214-1KC05-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Metal 31 mm | Contacts: 2 NC, slow-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1214-1LC05-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Metal 31 mm | Contacts: 2 NC, snap-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1114-1KA00-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Metal 40 mm | Contacts: 2 NC, slow-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1114-1LA00-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Metal 40 mm | Contacts: 2 NC, snap-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1124-1KA00-1BA2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Metal 56 mm | Contacts: 1 NC, slow-action | ASIsafe channels: Ch1 on NC, Ch2 on M12 socket | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1124-1LA00-1BA2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Basic switch (modular system) | Actuator: Rounded plunger | Enclosure: Metal 56 mm | Contacts: 1 NC, snap-action | ASIsafe channels: Ch1 on NC, Ch2 on M12 socket | LEDs: 3 LEDs, 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1234-1QV40-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Safety switch, separate actuator | Actuator: Separate actuator | Enclosure: Plastic 31 mm | Contacts: 2 NC, slow-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1244-1QV40-1BA2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Safety switch, separate actuator | Actuator: Separate actuator | Enclosure: Plastic 50 mm | Contacts: 1 NC, slow-action | ASIsafe channels: Ch1 on NC, Ch2 on M12 socket | LEDs: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1214-1QV40-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Safety switch, separate actuator | Actuator: Separate actuator | Enclosure: Metal 31 mm | Contacts: 2 NC, slow-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1114-1QV10-1BA1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Safety switch, separate actuator | Actuator: Separate actuator | Enclosure: Metal 40 mm | Contacts: 2 NC, slow-action | ASIsafe channels: Ch1 + Ch2 on NC contacts | LEDs: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SF1124-1QV10-1BA2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: Safety switch, separate actuator | Actuator: Separate actuator | Enclosure: Metal 56 mm | Contacts: 1 NC, slow-action | ASIsafe channels: Ch1 on NC, Ch2 on M12 socket | LEDs: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535298003234,"sku":"3SF1234-1KC05-1BA1","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3sf1-as-interface-safety-position-switches.jpg?v=1792150171","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3sf1-as-interface-safety-position-switches","provider":"ProSource MRO","version":"1.0","type":"link"}