{"product_id":"ge-ur8bv-multilin-ct-vt-module","title":"GE UR8BV Multilin CT\/VT Module","description":"\u003cp\u003eThe \u003cstrong\u003eGE UR8BV\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eUR8BV\u003c\/strong\u003e CT\/VT Module, operates as a dedicated hardware component for 3-phase analog current and voltage signal conditioning within GE Multilin Universal Relay (UR) platforms.\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\u003eUR8BV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE (GE Multilin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePowered via UR main chassis backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signals\u003c\/td\u003e\n\u003ctd\u003e3-phase AC current and voltage from field CTs and VTs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy Class\u003c\/td\u003e\n\u003ctd\u003e0.2s or 0.5s (configuration dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Series\u003c\/td\u003e\n\u003ctd\u003eMultilin UR Series\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\u003eSystem Diagnostics\u003c\/td\u003e\n\u003ctd\u003eOnboard circuit health monitoring and internal fault diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Communication Velocity \u0026amp; Deterministic Processing\u003c\/h3\u003e\n\u003cp\u003eThe UR8BV conditions and digitizes secondary current and voltage signals from external CTs and VTs, feeding accurate analog samples directly to the host protection processor. Transmission of digitized waveform parameters occurs over internal high-speed buses designed to optimize backplane bus communication velocity and cycle synchronization.\u003c\/p\u003e\n\u003cp\u003eIntegration within Profinet \/ EtherNet\/IP deterministic networks enables real-time distribution of power metrics and waveform events across connected control networks. The card architecture supports flexible I\/O density scaling inside the sub-rack frame while maintaining strict firmware flash compatibility across standard GE Multilin UR protection software revisions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary analog inputs does the UR8BV module accept from field instrumentation?\u003c\/p\u003e\n\u003cp\u003eA: The module accepts secondary 3-phase AC current and 3-phase AC voltage inputs from external current transformers (CTs) and voltage transformers (VTs).\u003c\/p\u003e\n\u003cp\u003eQ: What measurement accuracy classes are supported by the UR8BV sampling circuitry?\u003c\/p\u003e\n\u003cp\u003eA: Depending on the exact hardware build and firmware configuration, the module operates at an accuracy class of 0.2s or 0.5s.\u003c\/p\u003e\n\u003cp\u003eQ: Is live insertion or hot-swapping supported for the UR8BV card during active relay operation?\u003c\/p\u003e\n\u003cp\u003eA: No. Auxiliary control power and all primary CT\/VT signal circuits must be fully isolated before inserting or removing the module to prevent backplane damage and hazardous open-CT high voltages.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \u0026amp; Field Isolation\u003c\/strong\u003e: De-energize all primary rack power feeds and short-circuit all connected CT secondary loops before performing physical installation or removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Safety\u003c\/strong\u003e: Connect a grounded ESD wrist strap to an unpainted metal chassis earth point prior to handling the module assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCard Alignment\u003c\/strong\u003e: Slide the module into the designated UR rear chassis slot using the plastic internal guide channels to ensure correct mechanical alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Seating\u003c\/strong\u003e: Firmly push the card home to engage the multi-pin backplane interface, then hand-tighten the top and bottom panel retaining screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Wiring Integrity\u003c\/strong\u003e: Connect CT and VT wiring to the designated rear terminal blocks. Ensure all signal cable shields are grounded at a single chassis earth bar to prevent EMI interference on analog lines.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53267285279029,"sku":"UR8BV","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/UR6CH_2a2b8162-ca59-493a-9cf5-9b848dd17312.jpg?v=1786417789","url":"https:\/\/www.5gplc.com\/products\/ge-ur8bv-multilin-ct-vt-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}