{"product_id":"siemens-sirius-3rf5-dc-solid-state-switching-devices","title":"Siemens SIRIUS 3RF5 DC Solid-State Relays and Contactors 1-Pole","description":"\u003cp class=\"ps-intro\"\u003eSIRIUS 3RF51 DC solid-state relays and 3RF53 DC solid-state contactors, 1-pole, 22.5 mm, for switching resistive DC loads up to 1 350 V DC.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eOperational voltage 24-1 100 V DC or 24-1 350 V DC\u003c\/li\u003e\n\u003cli\u003eOperational current 15 A to 23 A DC\u003c\/li\u003e\n\u003cli\u003eInstantaneous switching\u003c\/li\u003e\n\u003cli\u003e3RF51 relays for separate heat sink, 3RF53 contactors with optimized heat sink\u003c\/li\u003e\n\u003cli\u003eControl supply voltage 24 V DC or 110 V DC\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 3RF5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eDC solid-state switching device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePoles\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e22.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching\u003c\/th\u003e\n\u003ctd\u003eInstantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog chapter\u003c\/th\u003e\n\u003ctd\u003e6 - Soft starters and solid-state switching devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 605-606\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\u003e3RF5125-1BA45\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF51 solid-state relay | Op current DC: 23 A | Op voltage: 24-1 100 V DC | Control supply: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5125-1BA65\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF51 solid-state relay | Op current DC: 23 A | Op voltage: 24-1 100 V DC | Control supply: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5315-1BA45\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF53 solid-state contactor | Op current DC: 16 A | Op voltage: 24-1 100 V DC | Control supply: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5315-1BA65\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF53 solid-state contactor | Op current DC: 16 A | Op voltage: 24-1 100 V DC | Control supply: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5325-1BA45\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF53 solid-state contactor | Op current DC: 23 A | Op voltage: 24-1 100 V DC | Control supply: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5325-1BA65\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF53 solid-state contactor | Op current DC: 23 A | Op voltage: 24-1 100 V DC | Control supply: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5125-1BA47\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF51 solid-state relay | Op current DC: 17 A | Op voltage: 24-1 350 V DC | Control supply: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3RF5315-1BA47\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice: 3RF53 solid-state contactor | Op current DC: 15 A | Op voltage: 24-1 350 V DC | Control supply: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535293579554,"sku":"3RF5125-1BA45","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3rf5-dc-solid-state-switching-devices.jpg?v=1792150147","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3rf5-dc-solid-state-switching-devices","provider":"ProSource MRO","version":"1.0","type":"link"}