{"product_id":"siemens-analog-monitoring-relay-screw-2-c-o-contact","title":"Siemens Analog monitoring relay, screw, 2 c\/o contact","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3UG5514-1BR20 is an analog three-phase monitoring relay from the SIRIUS 3UG5 series. It is designed to continuously monitor phase sequence, phase failure, phase asymmetry and undervoltage in three-phase AC systems. With screw terminals and two change-over (2 C\/O) contacts, it provides reliable signalling and control for industrial automation and motor protection applications where stable and correct supply conditions are essential.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThree-phase analog monitoring relay for voltage and phase supervision\u003c\/li\u003e\n\u003cli\u003eMonitors phase sequence, phase failure, phase asymmetry and undervoltage\u003c\/li\u003e\n\u003cli\u003eTwo change-over contacts (2 C\/O) for signalling and control outputs\u003c\/li\u003e\n\u003cli\u003eScrew terminal connection for secure wiring\u003c\/li\u003e\n\u003cli\u003eWide monitoring voltage range: 160 V…760 V AC\u003c\/li\u003e\n\u003cli\u003eAdjustable response delay for stable fault detection\u003c\/li\u003e\n\u003cli\u003eLED status indication for supply and fault monitoring\u003c\/li\u003e\n\u003cli\u003eCompact housing for 35 mm DIN-rail mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3UG5514-1BR20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3UG5 Monitoring Relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring Function:\u003c\/strong\u003e Phase sequence, phase failure, phase asymmetry, undervoltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring Voltage Range:\u003c\/strong\u003e 160…760 V AC (3-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Supply Voltage:\u003c\/strong\u003e 200…690 V AC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Contacts:\u003c\/strong\u003e 2 × change-over (2 C\/O)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Capacity (AC-15):\u003c\/strong\u003e 3 A at 230\/400 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Delay:\u003c\/strong\u003e Adjustable (typ. 0.1…20 s)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Width:\u003c\/strong\u003e approx. 22.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegree of Protection:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e –25 °C … +60 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured according to Siemens SIRIUS industrial standards\u003c\/li\u003e\n\u003cli\u003eComplies with IEC\/EN standards for monitoring relays\u003c\/li\u003e\n\u003cli\u003eSuitable for industrial control panels and automation environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis analog monitoring relay is used in motor control panels, switchgear and industrial automation systems where continuous monitoring of three-phase voltage conditions is required. It helps protect motors and equipment against damage caused by phase failure, incorrect phase sequence and voltage imbalance, making it ideal for conveyors, pumps, compressors and other critical three-phase applications.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775073824832,"sku":"3UG5514-1BR20","price":8357.14,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3UG5514-1BR20.jpg?v=1763720794","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-analog-monitoring-relay-screw-2-c-o-contact","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}