{"product_id":"ge-ur8nv-analog-input","title":"GE UR8NV Analog Input","description":"\u003cp\u003eConfigured for current signal acquisition in Universal Relay (UR) series platforms, the \u003cstrong\u003eGE Multilin UR8NV\u003c\/strong\u003e (\u003cstrong\u003eUR8NV\u003c\/strong\u003e Analog Input Module) provides direct physical execution of current transformer (CT) signal processing.\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\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUR8NV\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\u003eUSA \/ Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard UR series plug-in module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDerived from UR relay chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Density\u003c\/td\u003e\n\u003ctd\u003e8 CT channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Protection Metrics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e The UR8NV utilizes the UR series high-speed backplane bus to transmit current data to the host relay processor. This interface facilitates deterministic communication, ensuring that fault detection algorithms receive current samples within the required protection window.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks:\u003c\/strong\u003e While this module functions as an analog acquisition node, it integrates into the broader UR protection ecosystem, supporting deterministic network reporting for differential and overcurrent protection schemes via the host relay's communication ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e The 8-channel architecture provides high-density acquisition for CT signals. The module supports both differential and single-ended measurement configurations, allowing for scalable protection logic in generator, transformer, motor, and feeder applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e The module supports field-upgradeable logic and diagnostics integrated with the host relay firmware, ensuring that current sensing calibrations remain compatible with the latest relay software revisions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the hot-swappable design apply to the CT input leads?\u003c\/p\u003e\n\u003cp\u003eA: No. While the UR8NV module is physically hot-swappable, the secondary circuits of the current transformers must be externally shorted via a test block before module removal. Extracting the module under load will result in an open-circuited CT, leading to high-voltage generation and potential equipment damage.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module capable of sampling voltage inputs?\u003c\/p\u003e\n\u003cp\u003eA: No. The UR8NV is strictly a current-input module. It does not provide voltage measurement capabilities and must be paired with separate voltage-input modules within the UR chassis for applications requiring combined CT\/VT protection logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Seating:\u003c\/strong\u003e Align the module with the chassis guide rails and slide it into the relay housing until the latch mechanism engages. Firmly press the module to ensure the backplane connectors are fully seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Transformer Grounding:\u003c\/strong\u003e Ensure that all CT inputs are properly referenced to the chassis ground bus as defined by the site protection scheme. Proper grounding is necessary to minimize common-mode noise and maintain measurement accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Verification:\u003c\/strong\u003e After installation, utilize the GE EnerVista software to verify that the module is correctly recognized by the UR chassis. Perform a loop check to ensure that current readings at the relay match the primary sensor input values.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47953956798654,"sku":"UR8NV","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-07-06_10-09-43_f390a607-ad54-4017-b5a4-4fb88965a80f.png?v=1783304783","url":"https:\/\/www.autooiltech.com\/es\/products\/ge-ur8nv-analog-input","provider":"AutoOilTech Limited","version":"1.0","type":"link"}