{"product_id":"ur-8nh-ge-universal-relay-8-channel-analog-input-card","title":"UR-8NH | GE | Universal Relay 8-Channel Analog Input Card","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8NH (Model: UR8NH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Current Transformer\/Voltage Transformer (CT\/VT) interface module specifically designed for the GE Multilin Universal Relay (UR) platform. Serving as the primary data acquisition gateway, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8NH (Part Number: UR8NH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides eight standardized analog channels to facilitate high-fidelity measurements of primary power system parameters. This module is a critical component for protection, monitoring, and revenue-grade metering in utility substations and large-scale industrial power plants.\u003c\/p\u003e\n\u003cp\u003eLeveraging the modular architecture of the UR series, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8NH (Model: UR8NH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econverts high-level secondary currents and voltages into precise digital signals for the relay’s central processing unit. The hardware includes advanced onboard diagnostics that continuously verify the integrity of the internal A\/D converters and transformer windings. This ensures the relay has access to the precise, real-time waveform data necessary for executing complex protection algorithms and maintaining grid stability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8NH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule is engineered to meet rigorous IEEE and IEC protective relay standards for substation environments.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: General Electric (GE Multilin)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8NH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e: 8-Channel CT\/VT Analog Input Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e: GE Multilin Universal Relay (UR) Series (e.g., G60, L90, D60, B30)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Configuration\u003c\/strong\u003e: 8 Channels (Typically configured as 8 CT or mixed CT\/VT depending on software mapping)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Inputs\u003c\/strong\u003e: Supports 1A or 5A secondary currents (Field-programmable via relay settings)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSampling Resolution\u003c\/strong\u003e: High-definition A\/D conversion for accurate waveform oscillography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e: Full galvanic isolation between field terminals and the relay backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Monitoring\u003c\/strong\u003e: Real-time hardware health and channel integrity self-testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: –40°C to +85°C (Utility Grade)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: –40°C to +85°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e: 5% to 95% non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 28.0 cm x 21.4 cm x 1.7 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.9 kg (1.98 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e: Internal plug-in module for 6U UR Chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePrimary Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8NH (Part Number: UR8NH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile acquisition module used in several key protection schemes:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBusbar Protection\u003c\/strong\u003e: Providing high-density CT inputs for the B30 or B90 relays to monitor multiple feeders in a differential zone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Line Protection\u003c\/strong\u003e: Interfacing with current and voltage transformers to provide data for distance (21) and line differential (87L) protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGenerator Monitoring\u003c\/strong\u003e: Capturing phase current and neutral voltage data for the G60 relay to perform stator ground fault and thermal protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Quality Analysis\u003c\/strong\u003e: Providing high-speed sampling for harmonic analysis and event recording in substation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":42870850814042,"sku":"UR8NH","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/199..jpg?v=1772242162","url":"https:\/\/www.spareoil.com\/products\/ur-8nh-ge-universal-relay-8-channel-analog-input-card","provider":"SpareOil Automation","version":"1.0","type":"link"}