{"product_id":"siemens-sirius-3sk1-output-expansions","title":"Siemens SIRIUS 3SK1 Output Expansions (3SK1211, 3SK1213)","description":"\u003cp class=\"ps-intro\"\u003eSIRIUS 3SK121 output expansions that add safe relay outputs to any 3SK basic unit by wiring or 3ZY12 device connectors.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eUp to SIL 3 \/ PL e\u003c\/li\u003e\n\u003cli\u003e3SK1211: four additional safe outputs, AC-15 5 A at 230 V\u003c\/li\u003e\n\u003cli\u003e3SK1213: three safe outputs with high switching capacity, AC-15 10 A at 230 V\u003c\/li\u003e\n\u003cli\u003e24 V DC versions connectable to 3SK1 Advanced and 3SK2 via 3ZY12 device connectors\u003c\/li\u003e\n\u003cli\u003eInstantaneous NO enabling contacts plus NC contact for feedback circuit\u003c\/li\u003e\n\u003cli\u003eScrew or spring-loaded (push-in) terminals\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 3SK1 expansion units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput type\u003c\/th\u003e\n\u003ctd\u003eRelay, instantaneous switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmbient temperature\u003c\/th\u003e\n\u003ctd\u003e-25 ... +60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDegree of protection\u003c\/th\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSafety level\u003c\/th\u003e\n\u003ctd\u003eSIL 3 \/ PL e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003e35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 1059-1060\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\u003e3SK1211-1BB00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1211 | Supply: 24 V AC 50\/60 Hz | Outputs: 4 NO + 1 NC feedback | Device connector: No | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1211-2BB00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1211 | Supply: 24 V AC 50\/60 Hz | Outputs: 4 NO + 1 NC feedback | Device connector: No | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1211-1BB40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1211 | Supply: 24 V DC | Outputs: 4 NO + 1 NC feedback | Device connector: Yes | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1211-2BB40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1211 | Supply: 24 V DC | Outputs: 4 NO + 1 NC feedback | Device connector: Yes | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1211-1BW20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1211 | Supply: 110-240 V AC\/DC | Outputs: 4 NO + 1 NC feedback | Device connector: No | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1211-2BW20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1211 | Supply: 110-240 V AC\/DC | Outputs: 4 NO + 1 NC feedback | Device connector: No | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1213-1AB40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1213 | Supply: 24 V DC | Outputs: 3 NO + 1 NC feedback | Device connector: Yes | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1213-2AB40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1213 | Supply: 24 V DC | Outputs: 3 NO + 1 NC feedback | Device connector: Yes | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1213-1AJ20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1213 | Supply: 115 V AC 50\/60 Hz | Outputs: 3 NO + 1 NC feedback | Device connector: No | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1213-2AJ20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1213 | Supply: 115 V AC 50\/60 Hz | Outputs: 3 NO + 1 NC feedback | Device connector: No | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1213-1AL20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1213 | Supply: 230 V AC 50\/60 Hz | Outputs: 3 NO + 1 NC feedback | Device connector: No | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SK1213-2AL20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: 3SK1213 | Supply: 230 V AC 50\/60 Hz | Outputs: 3 NO + 1 NC feedback | Device connector: No | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535296528674,"sku":"3SK1211-1BB00","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3sk1-output-expansions.jpg?v=1792150171","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3sk1-output-expansions","provider":"ProSource MRO","version":"1.0","type":"link"}