{"product_id":"siemens-3ug4513-1br20-monitoring-relay","title":"SIEMENS 3UG4513-1BR20 Monitoring Relay 3-Phase Voltage 400VAC","description":"\u003cstyle\u003e\n.nxs-industrial-product-page {\n--industrial-navy: #082f49;\n    --industrial-blue: #0b4f7c;\n    --industrial-blue-2: #0f6ea8;\n    --industrial-blue-3: #1784c1;\n    --industrial-cyan: #38bdf8;\n    --steel-blue: #dcebf5;\n    --steel-blue-2: #edf6fb;\n    --steel-line: #c9dce9;\n    --surface: #ffffff;\n    --surface-soft: #f7fbfe;\n    --text-main: #173042;\n    --text-muted: #5e7382;\n    --shadow-soft: 0 10px 30px rgba(8, 47, 73, 0.08);\n    --shadow-hover: 0 16px 36px rgba(8, 79, 124, 0.15);\n    --radius-lg: 14px;\n    --radius-md: 10px;\n}\n\n.nxs-industrial-product-page, .nxs-industrial-product-page * {\nmargin: 0;\n    padding: 0;\n    box-sizing: border-box;\n    font-family: Arial, Helvetica, sans-serif;\n}\n\n.nxs-industrial-product-page {\nbackground-color: #f3f8fb;\n    background-image:\n        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anywhere;\n}\n\n.nxs-industrial-product-page .spec-table td:first-child {\nwidth: 42%;\n}\n\n.nxs-industrial-product-page .features {\ngrid-template-columns: 1fr;\n        gap: 12px;\n}\n\n.nxs-industrial-product-page .card {\npadding: 18px 17px;\n}\n\n.nxs-industrial-product-page .card:hover {\ntransform: none;\n}\n\n.nxs-industrial-product-page .section ul {\ngrid-template-columns: 1fr;\n        gap: 9px;\n}\n\n.nxs-industrial-product-page .section li {\npadding: 11px 12px 11px 36px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p {\npadding: 16px 14px 16px 48px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p::before {\nleft: 12px;\n        top: 15px;\n        min-width: 26px;\n        height: 26px;\n        font-size: 10px;\n}\n}\n\n@media (prefers-reduced-motion: reduce) {\n.nxs-industrial-product-page, .nxs-industrial-product-page *, .nxs-industrial-product-page *::before, .nxs-industrial-product-page *::after {\ntransition: none !important;\n}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSIEMENS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e3UG4513-1BR20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eMonitoring Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSIRIUS 3UG4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Phase Failure and Sequence Monitoring Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitoring Functions\u003c\/td\u003e\n\u003ctd\u003ePhase failure, phase sequence, unbalance, under voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Monitoring Range\u003c\/td\u003e\n\u003ctd\u003e3 x 160 to 690 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAsymmetry Detection\u003c\/td\u003e\n\u003ctd\u003e20% fixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis\u003c\/td\u003e\n\u003ctd\u003e5% fixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelay Time\u003c\/td\u003e\n\u003ctd\u003e0 to 20 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContacts\u003c\/td\u003e\n\u003ctd\u003e2 changeover contacts (DPDT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e22.5 mm x 92 mm x 91 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003ePhase Failure and Sequence Monitoring\u003c\/h3\u003e\n\u003cp\u003eMonitors three-phase systems for phase failure and incorrect phase sequence to protect machinery.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eWide Voltage Range\u003c\/h3\u003e\n\u003cp\u003eSupports a phase monitoring range of 3 x 160 to 690 V AC for flexibility across different systems.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eAdjustable Undervoltage and Delay\u003c\/h3\u003e\n\u003cp\u003eProvides adjustable undervoltage monitoring and a delay time of 0 to 20 s for customized protection.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eDPDT Output Contacts\u003c\/h3\u003e\n\u003cp\u003eEquipped with 2 changeover contacts for versatile control and signaling integration.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFixed Asymmetry Detection\u003c\/h3\u003e\n\u003cp\u003eDetects phase asymmetry at a fixed 20% threshold for reliable unbalance monitoring.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThree-phase power supply monitoring\u003c\/li\u003e\n\u003cli\u003eMotor protection against phase failure\u003c\/li\u003e\n\u003cli\u003ePhase sequence verification for rotating equipment\u003c\/li\u003e\n\u003cli\u003eUndervoltage protection for industrial loads\u003c\/li\u003e\n\u003cli\u003eUnbalance monitoring in power distribution\u003c\/li\u003e\n\u003cli\u003eMachine and plant protection systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the SIEMENS 3UG4513-1BR20 Monitoring Relay. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the SIEMENS 3UG4513-1BR20?\u003c\/strong\u003e\nThe 3UG4513-1BR20 is a SIRIUS 3UG4 analog monitoring relay for three-phase voltage systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does this relay monitor?\u003c\/strong\u003e\nIt monitors phase failure, phase sequence, unbalance, and under voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the phase monitoring range?\u003c\/strong\u003e\nThe monitoring range is 3 x 160 to 690 V AC at 50\/60 Hz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the asymmetry detection threshold?\u003c\/strong\u003e\nThe asymmetry detection threshold is fixed at 20%.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delay time range?\u003c\/strong\u003e\nThe delay time is adjustable from 0 to 20 seconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat contacts does the relay have?\u003c\/strong\u003e\nThe relay has 2 changeover contacts (DPDT).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\nThe operating temperature range is -25°C to +60°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat terminal type does it use?\u003c\/strong\u003e\nIt uses screw terminals for connection.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":67856401104975,"sku":"LL1-SMS-3UG45131BR20","price":146.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/3UG4513-1BR20-01_1.jpg?v=1792811910","url":"https:\/\/yunshuotrade.com\/products\/siemens-3ug4513-1br20-monitoring-relay","provider":"yunshuotrade","version":"1.0","type":"link"}