{"product_id":"ge-l90-e00-hch-f8f-h6b-l6e-n6u-s6s-u6a-w7c-multilin-ur-series-protection-relays","title":"GE L90-E00-HCH-F8F-H6B-L6E-N6U-S6S-U6A-W7C Multilin UR Series Protection Relays","description":"\u003cp\u003eThe \u003cstrong\u003eGE Fanuc L90-E00-HCH-F8F-H6B-L6E-N6U-S6S-U6A-W7C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eL90\u003c\/strong\u003e Line Current Differential Relay, operates as a dedicated hardware component for high-speed transmission line protection and fault isolation within power distribution networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL90\u003c\/strong\u003e: Base designation for advanced phase-segregated line current differential protection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-E00\u003c\/strong\u003e: Hardware platform variant code defining standard system processing and measurement core configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-HCH-F8F-H6B-L6E-N6U-S6S-U6A-W7C\u003c\/strong\u003e: Modular suffix string specifying localized communication ports, digital input\/output card densities, protocol options, and conformal coating parameters.\u003c\/li\u003e\n\u003c\/ul\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL90-E00-HCH-F8F-H6B-L6E-N6U-S6S-U6A-W7C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGE Fanuc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 7.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack mount enclosure profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax 55 VA (AC) \/ 45 W (DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 V \/ 220 V \/ 240 V AC\/DC universal range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Ethernet and serial interface slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-inch rack or flush panel mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSystem Integration and Communication Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity\u003c\/strong\u003e: Executes high-speed deterministic internal data routing across internal microprocessor layers to minimize trip calculation execution latency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/strong\u003e: Supports standardized substation communication protocols including IEC 61850 GOOSE messaging and Modbus TCP\/IP for peer-to-peer interlocking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling\u003c\/strong\u003e: Integrates discrete analog input and configurable binary input\/output channels to accommodate flexible protection and control scheme expansions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility\u003c\/strong\u003e: Permits safe software maintenance and feature updates via protected communication interfaces without requiring physical component replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the internal power supply or I\/O modules be hot-swapped while the system is live?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, component replacement must be performed under completely de-energized conditions to prevent internal circuit damage and data corruption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum allowable continuous thermal rating for the current transformer inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The analog input channels support a continuous thermal rating of 3 times rated current, with a 1-second thermal rating of 100 times rated current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the relay maintain time synchronization across remote substation terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Time synchronization is maintained via IRIG-B input or IEEE 1588 Precision Time Protocol over the Ethernet communication interface to ensure accurate fault data timestamping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the enclosure chassis is solidly bonded to the main control panel ground bus using a low-impedance conductor.\u003c\/li\u003e\n\u003cli\u003eVerify that control voltage input levels match the specified power module ratings prior to initial energization.\u003c\/li\u003e\n\u003cli\u003eTerminate all current transformer and voltage transformer secondary shields exclusively at the designated panel ground bar to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate surrounding clearance to support natural thermal convection across the specified operating temperature range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default 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