{"product_id":"ge-multilin-ur-8lh-analog-ct-vt-input-module","title":"GE Multilin UR 8LH Analog CT VT Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE Multilin UR 8LH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision analog input module engineered for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE Multilin Universal Relay Series\u003c\/strong\u003e. Designed for mission-critical substation automation, the module provides accurate acquisition of current transformer (CT) and voltage transformer (VT) signals, enabling reliable protection, monitoring, and measurement for electrical power systems.\u003c\/p\u003e\n\u003cp\u003eWith advanced signal conditioning and built-in diagnostics, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR 8LH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures stable data acquisition while supporting the protection logic of the relay system. Its robust construction and integrated monitoring functions help maintain system integrity in demanding utility and industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCT\/VT Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eGE Multilin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Series\u003c\/td\u003e\n\u003ctd\u003eUniversal Relay (UR) Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Supply\u003c\/td\u003e\n\u003ctd\u003e100–240 V AC, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Thermal Range\u003c\/td\u003e\n\u003ctd\u003e-10°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e200 mm × 150 mm × 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Capability\u003c\/td\u003e\n\u003ctd\u003eIntegrated self-monitoring for analog signal integrity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Interlocks\u003c\/td\u003e\n\u003ctd\u003eAutomatic fault-triggered alarm and protection blocking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational Features\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE Multilin UR 8LH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincorporates advanced diagnostic algorithms that continuously monitor the integrity of analog input channels. If a measurement anomaly or internal hardware issue is detected, the module automatically generates a system alarm and temporarily blocks associated relay trip outputs. This protective mechanism prevents false operations and enhances overall system safety.\u003c\/p\u003e\n\u003cp\u003eFor optimal performance, proper system integration requires verification of CPU firmware compatibility within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUniversal Relay\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erack assembly. Ensuring firmware alignment allows the module to communicate effectively with other relay components and maintain accurate data processing across the protection system.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module hot-swappable in a running UR chassis?\u003c\/strong\u003e\u003cbr\u003eIt is strongly recommended to de-energize the relay rack before inserting or removing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR 8LH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule. This precaution helps prevent electrical transients and avoids potential communication errors on the relay backplane.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this module handle sensor calibration?\u003c\/strong\u003e\u003cbr\u003eThe module supports digital calibration through the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR configuration software suite\u003c\/strong\u003e, allowing engineers to adjust CT and VT ratio parameters during system commissioning to ensure accurate measurement and protection performance.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":48746732028156,"sku":"UR8LH","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/UR8LH.jpg?v=1773216372","url":"https:\/\/www.electronicplc.com\/products\/ge-multilin-ur-8lh-analog-ct-vt-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}