{"product_id":"ge-ur8hh-8-output-form-c-control-board-universal-relay","title":"GE UR8HH | 8-Output Form-C Control Board Universal Relay","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8HH (Model: UR8HH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density, multifunctional expansion module designed for the GE Multilin Universal Relay (UR) series. This module acts as a critical hybrid interface, integrating analog Current Transformer (CT) acquisition with high-capacity digital inputs and outputs. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8HH (Part Number: UR-8HH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis specifically engineered for utility-scale protection schemes, allowing a single chassis slot to manage phase\/ground current sensing alongside auxiliary breaker control and status monitoring.\u003c\/p\u003e\n\u003cp\u003eBuilt for the rigorous transients of substation environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8HH (Model: UR8HH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures 16 optically isolated digital inputs and 8 Form-C relay outputs. This consolidated architecture enables the protective relay to execute sub-cycle trip commands while maintaining real-time awareness of field contact states. The module's utility-hardened design ensures electromagnetic compatibility and reliable performance in mission-critical grid infrastructure.\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\u003eUR8HH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule integrates analog sensing and digital logic into a 6U modular footprint:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: GE Multilin (General Electric)\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\u003eUR8HH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR-8HH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: Universal Relay (UR) Series (B30, C30, D60, G60, L90, etc.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e: Combined CT\/VT and Digital I\/O\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase CT Inputs\u003c\/strong\u003e: 3 Channels (Supports 1A or 5A nominal, software-selectable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGround CT Inputs\u003c\/strong\u003e: 1 Channel (Supports 1A or 5A nominal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e: 16 Optically Isolated channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e: 24V to 250V DC (Wide range threshold)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRelay Outputs\u003c\/strong\u003e: 8 Form-C (Normally Open\/Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Contact Rating\u003c\/strong\u003e: 10A at 250 VAC \/ 30 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDielectric Strength\u003c\/strong\u003e: 2kV AC for 1 minute (I\/O to Ground)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: –40°C to +85°C (Industrial Grade)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e: Integrated LEDs for channel status and module health\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 170 mm x 105 mm x 32 mm (Standard 6U UR Slot)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.27 kg (5.00 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUR8HH (Part Number: UR-8HH)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis typically deployed in the following power system protection roles:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFeeder Protection\u003c\/strong\u003e: Measuring phase currents while providing ample I\/O for breaker interlocking and trip\/close coils.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransformer Monitoring\u003c\/strong\u003e: Managing CT inputs for differential protection zones and monitoring tank pressure\/temperature via digital inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBreaker Control\u003c\/strong\u003e: Serving as a high-density I\/O interface for dual-breaker configurations within a single relay.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBus Protection\u003c\/strong\u003e: Providing the necessary CT sensing and lockout relay outputs for busbar protection schemes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":42870853501018,"sku":"UR8HH","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/197..jpg?v=1772241651","url":"https:\/\/www.spareoil.com\/products\/ge-ur8hh-8-output-form-c-control-board-universal-relay","provider":"SpareOil Automation","version":"1.0","type":"link"}