{"product_id":"siemens-sirius-line-monitoring-relay-phase-monitoring-6kv-690v","title":"Siemens Sirius Line monitoring relay, phase monitoring, 6kV, 690V","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3UG5512-1AR20 is a three-phase line-monitoring relay from the SIRIUS 3UG5 series, designed to monitor phase sequence, phase failure and phase asymmetry in AC networks ranging from 160 V to 760 V. It features a single change-over (1 C\/O) contact and screw-type terminals, making it ideal for compact control cabinets and automation environments where monitoring of supply integrity is critical.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhase monitoring relay for three-phase systems (phase sequence, phase failure, phase asymmetry)\u003c\/li\u003e\n\u003cli\u003eVoltage sensing range: 160 … 760 V AC (three-phase)\u003c\/li\u003e\n\u003cli\u003eControl supply voltage: 200 … 690 V AC at 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003eScrew-type terminals for secure wiring\u003c\/li\u003e\n\u003cli\u003eOne change-over (1 C\/O) contact output\u003c\/li\u003e\n\u003cli\u003eCompact width: 22.5 mm — ideal for space-saving DIN-rail installations\u003c\/li\u003e\n\u003cli\u003eAuto-reset feature for automatic recovery after fault clearance\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 3UG5512-1AR20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3UG5 line-monitoring relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing Voltage Range:\u003c\/strong\u003e 160 … 760 V AC (three-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Supply Voltage (AC):\u003c\/strong\u003e 200 … 690 V AC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Contact Configuration:\u003c\/strong\u003e 1 × change-over (C\/O)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Width:\u003c\/strong\u003e 22.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Ambient Temperature:\u003c\/strong\u003e –25°C … +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating (Front):\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Connection:\u003c\/strong\u003e Screw-type, conductor cross-section up to 4 mm² solid or stranded with ferrules\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\u003eDesigned according to Siemens industrial automation standards for monitoring relays\u003c\/li\u003e\n\u003cli\u003eSuitable for DIN-rail mounting in control panels and industrial switchgear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3UG5512-1AR20 is ideal for monitoring the supply integrity of three-phase motors, pumps, compressors and automation systems. It helps detect phase sequence errors, phase loss and voltage imbalance, enabling uptime protection and preventing damage to connected equipment. This makes it suitable for machine-tool control cabinets, industrial plants and distributed automation installations.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775073398848,"sku":"3UG5512-1AR20","price":1784.13,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3UG5512-1AR20.jpg?v=1763733164","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-sirius-line-monitoring-relay-phase-monitoring-6kv-690v","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}