{"product_id":"siemens-sirius-3ug5651-3ug5851-speed-monitoring-relays","title":"Siemens SIRIUS 3UG5651 \/ 3UG5851 Speed Monitoring Relays","description":"\u003cp class=\"ps-intro\"\u003eDigitally adjustable SIRIUS 3UG5 speed monitoring relays that monitor motor drives for overspeed and underspeed with a sensor.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eSpeed monitoring by period duration measurement\u003c\/li\u003e\n\u003cli\u003eDetects overspeed, underspeed and range violations\u003c\/li\u003e\n\u003cli\u003eAuxiliary voltage 24-240 V AC\/DC or 24 V DC (IO-Link)\u003c\/li\u003e\n\u003cli\u003eVersions for safety applications\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 3UG5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eSpeed monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting\u003c\/th\u003e\n\u003ctd\u003eDigital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eDIN rail, stand-alone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 999\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\u003e3UG5651-1CW30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Standard | Supply: 24 ... 240 V AC\/DC | Contacts: 2 CO | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5651-2CW30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Standard | Supply: 24 ... 240 V AC\/DC | Contacts: 2 CO | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5651-1CW31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Safety applications | Supply: 24 ... 240 V AC\/DC | Contacts: 2 CO | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5651-2CW31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Safety applications | Supply: 24 ... 240 V AC\/DC | Contacts: 2 CO | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5851-1AA40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: IO-Link | Supply: 24 V DC | Contacts: 1 CO | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5851-2AA40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: IO-Link | Supply: 24 V DC | Contacts: 1 CO | 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":67535296004386,"sku":"3UG5651-1CW30","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3ug5651-3ug5851-speed-monitoring-relays.jpg?v=1792150171","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3ug5651-3ug5851-speed-monitoring-relays","provider":"ProSource MRO","version":"1.0","type":"link"}