{"product_id":"siemens-sirius-3ug5-power-factor-active-current-monitoring-relays","title":"Siemens SIRIUS 3UG5 Current\/Voltage\/Cos phi\/Power Monitoring Relays","description":"\u003cp class=\"ps-intro\"\u003eDigitally adjustable SIRIUS 3UG5 relays monitoring current, active current, voltage, power factor and power of motors and loads.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eMonitors current, active current, voltage, power factor (cos phi) and power\u003c\/li\u003e\n\u003cli\u003e3UG5643 internally powered from 90-690 V AC, current 0.05-10 A\u003c\/li\u003e\n\u003cli\u003e3UG5642 with 24-240 V AC\/DC auxiliary supply, current 0.003-10 A\u003c\/li\u003e\n\u003cli\u003eVersions for safety applications, with Bluetooth (3UG5742) and for IO-Link (3UG5842)\u003c\/li\u003e\n\u003cli\u003eFor AC active currents above 10 A use with 4NC current transformers\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\u003eI, Ires, U, cos phi, P 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. 986\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\u003e3UG5643-1CS20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.05 ... 10 A | Supply: Internal, 90 ... 690 V AC | Contacts: 2 CO | Version: Standard | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5643-2CS20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.05 ... 10 A | Supply: Internal, 90 ... 690 V AC | Contacts: 2 CO | Version: Standard | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5642-1CW30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: Aux. 24 ... 240 V AC\/DC | Contacts: 2 CO | Version: Standard | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5642-2CW30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: Aux. 24 ... 240 V AC\/DC | Contacts: 2 CO | Version: Standard | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5642-1CW31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: Aux. 24 ... 240 V AC\/DC | Contacts: 2 CO | Version: Safety applications | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5642-2CW31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: Aux. 24 ... 240 V AC\/DC | Contacts: 2 CO | Version: Safety applications | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5742-1CW30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: Aux. 24 ... 240 V AC\/DC | Contacts: 2 CO | Version: With Bluetooth | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5742-2CW30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: Aux. 24 ... 240 V AC\/DC | Contacts: 2 CO | Version: With Bluetooth | Connection: Spring-loaded (push-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5842-1AA40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: 24 V DC | Contacts: 1 CO | Version: IO-Link | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UG5842-2AA40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent: 0.003 ... 10 A | Supply: 24 V DC | Contacts: 1 CO | Version: IO-Link | 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":67535295676706,"sku":"3UG5643-1CS20","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3ug5-power-factor-active-current-monitoring-relays.jpg?v=1792150171","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3ug5-power-factor-active-current-monitoring-relays","provider":"ProSource MRO","version":"1.0","type":"link"}