{"product_id":"ge-multilin-ur8gv-ur-8gv-ct-vt-input-module","title":"GE Multilin UR8GV UR-8GV CT\/VT Input Module","description":"\u003ch2\u003eGE Multilin UR8GV UR-8GV CT\/VT Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for CT and VT signal acquisition in GE Multilin Universal Relay platforms, the \u003cstrong\u003eGE Multilin UR-8GV\u003c\/strong\u003e (\u003cstrong\u003eUR-8GV\u003c\/strong\u003e CT\/VT Input Module) provides direct physical\/electrical execution for protective measurement, metering, and disturbance recording functions.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUR-8GV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Multilin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCanada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCombined CT\/VT AC Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Input\u003c\/td\u003e\n\u003ctd\u003e50 Hz \/ 60 Hz auto-sensing and configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Inputs\u003c\/td\u003e\n\u003ctd\u003e1 A or 5 A nominal secondary current, selectable by order option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Thermal Withstand\u003c\/td\u003e\n\u003ctd\u003e20 A continuous, 500 A for 1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Burden\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.2 VA at rated current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVT Inputs\u003c\/td\u003e\n\u003ctd\u003e60 V to 240 V AC phase-to-neutral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVT Maximum Continuous Voltage\u003c\/td\u003e\n\u003ctd\u003e300 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVT Burden\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15 VA at 120 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 128 samples per cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.25% of reading from 0.1 to 2.0 x IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.25% of reading from 10 V to 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.01 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eHigh-current screw-clamp and draw-out shorting block terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network and Protection Processing Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe UR-8GV module operates as an analog acquisition interface inside GE Multilin Universal Relay platforms. It converts CT and VT secondary signals into digitized measurement data used by relay protection algorithms, phasor calculations, oscillography, and power quality analysis.\u003c\/p\u003e\n\u003cp\u003eThe module provides CT shorting functionality during removal from the relay chassis to maintain a closed current transformer secondary circuit. The input design supports neutral current measurement, ground fault detection, zero-sequence protection schemes, and harmonic analysis up to the 25th harmonic.\u003c\/p\u003e\n\u003cp\u003eThe CT\/VT channels are processed with relay internal sampling architecture for time-aligned protection calculations. The module interfaces with UR series protective relays including C60, T60, L90, D60, and B30 platforms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the UR-8GV support hot-swap removal while CT circuits are connected?\u003cbr\u003eA: The module includes an automatic CT shorting mechanism that shorts CT secondary circuits during module removal. Maintenance procedures must follow the relay manufacturer's installation instructions.\u003c\/p\u003e\n\u003cp\u003eQ: What type of signals are processed by the UR-8GV module?\u003cbr\u003eA: The module processes secondary current signals from CTs and secondary voltage signals from VTs for protection, metering, and recording functions.\u003c\/p\u003e\n\u003cp\u003eQ: What terminal design is used for CT connections?\u003cbr\u003eA: The module uses high-current screw-clamp and draw-out shorting block terminals designed for CT circuit safety during maintenance operations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the UR-8GV module only in compatible GE Multilin Universal Relay chassis slots. Verify chassis configuration, terminal assignments, and relay firmware compatibility before installation.\u003c\/p\u003e\n\u003cp\u003eConnect CT wiring using the designated shorting terminal arrangement and maintain correct polarity between instrument transformers and relay inputs. Keep CT and VT signal wiring separated from high-current power conductors to reduce induced electrical noise.\u003c\/p\u003e\n\u003cp\u003eUse shielded signal cables where required by the installation design. Connect cable shields according to site grounding practices and avoid multiple unintended grounding paths.\u003c\/p\u003e\n\u003cp\u003eConfirm that VT secondary voltage levels match the configured relay input range before energizing the module. Inspect terminal tightness, connector engagement, and module seating position after installation.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44503111434328,"sku":"UR8GV","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/UR8GH2.jpg?v=1785751441","url":"https:\/\/www.industriaxplc.com\/products\/ge-multilin-ur8gv-ur-8gv-ct-vt-input-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}