{"product_id":"ge-multilin-ur4lh-ur-4lh-universal-relay-4u-horizontal-chassis","title":"GE Multilin UR4LH UR-4LH Universal Relay 4U Horizontal Chassis","description":"\u003ch2\u003eGE Multilin UR4LH UR-4LH Universal Relay 4U Horizontal Chassis\u003c\/h2\u003e\n\u003cp\u003eConfigured for modular protection, control, and monitoring execution in GE Multilin Universal Relay platforms, the \u003cstrong\u003eGE Multilin UR4LH\u003c\/strong\u003e (\u003cstrong\u003eUR4LH\u003c\/strong\u003e Universal Relay Chassis) provides direct physical and electrical support for plug-in relay modules, signal interfaces, and communication assemblies.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eUR4LH\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e15 cm L x 18 cm W x 4 cm H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eTypical 15-35 W, dependent on installed modules and active I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mount \/ panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Height\u003c\/td\u003e\n\u003ctd\u003e4U (7.0 inches \/ 177.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd\u003eHorizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP40 front panel when panel mounted; IP20 rear terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eAluminum chassis with modular card-slot architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Power Input\u003c\/td\u003e\n\u003ctd\u003e110-250 VDC \/ 110-240 VAC (50\/60 Hz) or 24-48 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Interface\u003c\/td\u003e\n\u003ctd\u003eRedundant 10\/100Base-T RJ45 or 100Base-FX fiber optic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eIEC 61850 Ed. 1 \/ Ed. 2, DNP 3.0, Modbus RTU, Modbus TCP\/IP, IEC 60870-5-104, IEC 60870-5-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime Synchronization\u003c\/td\u003e\n\u003ctd\u003eIEEE 1588 PTP, IRIG-B, SNTP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration Software\u003c\/td\u003e\n\u003ctd\u003eEnerVista UR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network and I\/O Architecture\u003c\/h3\u003e\n\u003cp\u003eThe UR4LH chassis uses a modular slot structure for integration of CPU and communication modules, power supply modules, CT\/VT input modules, digital I\/O modules, transducer modules, and communication expansion cards. The architecture supports Profinet \/ EtherNet-IP style deterministic network concepts through dedicated industrial communication design practices, while the Universal Relay platform provides scalable I\/O density according to installed hardware modules.\u003c\/p\u003e\n\u003cp\u003eThe chassis provides physical support for relay processing assemblies and signal acquisition modules. Module selection determines available protection functions, measurement channels, digital control points, and communication interfaces.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the UR4LH chassis support hot-swapping of installed relay modules?\u003cbr\u003eA: The provided data does not specify hot-swap capability. Module replacement should follow GE Multilin maintenance procedures and system shutdown requirements.\u003c\/p\u003e\n\u003cp\u003eQ: What is the expected backplane loading condition for installed modules?\u003cbr\u003eA: Backplane power loading depends on the installed module combination. The specified system power consumption range is typically 15-35 W.\u003c\/p\u003e\n\u003cp\u003eQ: Which interfaces are available for local configuration?\u003cbr\u003eA: The front panel provides an LCD interface, programmable LEDs, status indicators, and RS232 \/ USB communication ports for PC configuration using EnerVista UR software.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the UR4LH chassis in a compatible 19-inch rack or panel mounting structure with adequate mechanical support. Maintain separation between low-level signal wiring, CT\/VT circuits, communication cables, and high-energy power conductors to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eUse appropriate shield termination practices for communication and analog signal wiring. Ground cable shields according to site electrical standards and avoid unnecessary shield loops. Verify rear terminal connections, module seating, and power supply compatibility before energizing the chassis.\u003c\/p\u003e\n\u003cp\u003eConfirm environmental conditions remain within the specified operating temperature and humidity limits. Check communication addressing, protocol configuration, and time synchronization settings after installation.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44503116841048,"sku":"UR4LH","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/UR4LA_1.jpg?v=1785831591","url":"https:\/\/www.industriaxplc.com\/id\/products\/ge-multilin-ur4lh-ur-4lh-universal-relay-4u-horizontal-chassis","provider":"IndustriaX Limited","version":"1.0","type":"link"}