{"product_id":"ge-multilin-ur81h-process-bus-module","title":"GE Multilin UR81H Process Bus Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE Multilin UR81H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an IEC 61850-based\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eProcess Bus Module\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the GE Multilin Universal Relay (\u003cem\u003eUR\u003c\/em\u003e) series. It provides an eight-port digital process bus interface enabling modern digital substation architectures where CT\/VT measurement and sampled-value streams are communicated over Ethernet instead of conventional copper wiring. The module enhances protection, control, metering, and automation by delivering precise digitization of analog signals (from CTs\/VTs) into IEC 61850 sampled values, supporting advanced protection applications in industrial and utility environments. Its modular, hot-swappable design reduces downtime during maintenance and system upgrades, and it supports IEEE 1588 time synchronization plus cybersecurity features aligned with industry standards.\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUR81H\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGE Multilin UR (Universal Relays)\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 61850 Process Bus Module\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 61850 Sampled Values (Ed. 2)\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcess Bus Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-port digital process bus interface\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime Synchronization\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEEE 1588 Precision Time Protocol (PTP)\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCybersecurity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCyberSentry™ features for secure operation (e.g., NERC CIP compliance)\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCT Input Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 A or 5 A selectable\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVT Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~60 V to 240 V AC\/DC (model dependent)\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 12 (4 I + 4 V + 4 RTD\/mA)\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e(model dependent)\u003c\/em\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultiple, model dependent\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8–16 high-speed or standard outputs\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e(model dependent)\u003c\/em\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–250 V DC or 85–265 V AC\/DC\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e(varies by configuration)\u003c\/em\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e221 × 109 × 109 mm (approx.) based on module footprint\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.15 kg (module)\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturing Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarkham, Ontario, Canada\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 months standard \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":51735866540343,"sku":"UR81H","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/ST-END_7c12a304-f5f4-43b2-be82-11b4f2e91d6d.jpg?v=1772414329","url":"https:\/\/www.controltech-supply.com\/products\/ge-multilin-ur81h-process-bus-module","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}