{"product_id":"siemens-sirius-3rq40-coupling-relays-semiconductor","title":"Siemens SIRIUS 3RQ40 Narrow Coupling Relays, Semiconductor Output","description":"\u003cp class=\"ps-intro\"\u003eSIRIUS 3RQ4 narrow-design coupling relays with integrated wear-free semiconductor output for input and output coupling links.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eIntegrated semiconductor output, wear-free switching\u003c\/li\u003e\n\u003cli\u003eControl supply 11 to 30 V DC or 110 to 230 V AC\/DC\u003c\/li\u003e\n\u003cli\u003eDC outputs 0.001 to 3 A or 0.001 to 6 A; AC output 0.005 to 2 A\u003c\/li\u003e\n\u003cli\u003eOutput and input coupling links\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 line\u003c\/th\u003e\n\u003ctd\u003eSIRIUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e3RQ4 (narrow design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eSemiconductor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eTH 35 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. 422\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\u003e3RQ4050-1SM50\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4052-1SM30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4052-1SM40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4052-1SM50\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: AC 0.005-2 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4055-1SM30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4053-1SG30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 110-230 V AC\/DC | Output capacity: DC 0.001-6 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4070-1SB30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Input coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4070-1SG30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Input coupling link | Supply: 110-230 V AC\/DC | Output capacity: DC 0.001-6 A | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4050-2SM50\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4052-2SM30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4052-2SM40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4052-2SM50\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: AC 0.005-2 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4055-2SM30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4053-2SG30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Output coupling link | Supply: 110-230 V AC\/DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4070-2SB30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Input coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RQ4070-2SG30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction: Input coupling link | Supply: 110-230 V AC\/DC | Output capacity: DC 0.001-6 A | 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":67534398357794,"sku":"3RQ4050-1SM50","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3rq40-coupling-relays-semiconductor.jpg?v=1792131830","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3rq40-coupling-relays-semiconductor","provider":"ProSource MRO","version":"1.0","type":"link"}