{"product_id":"ge-multilin-ur8mh-ur-8mh-universal-relay-chassis","title":"GE Multilin UR8MH UR-8MH Universal Relay Chassis","description":"\u003ch2\u003eGE Multilin UR8MH UR-8MH Universal Relay Chassis\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE Multilin UR8MH\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eUR8MH\u003c\/strong\u003e Universal Relay Chassis, operates as a dedicated hardware component for modular protection device integration within the GE Universal Relay (UR) Series platform. The chassis provides physical mounting, backplane connectivity, and power distribution for UR-series protection modules.\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\u003eUR8MH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Grid Solutions \/ GE 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\u003e6 in L x 7 in W x 1.5 in 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\u003eTypically 15 - 40 W, configuration dependent, maximum approx. 75 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eUniversal Relay (UR) Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e8U height, 19-inch rack \/ panel mount, horizontal orientation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eModular backplane chassis with field-replaceable module support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Options\u003c\/td\u003e\n\u003ctd\u003e110 - 250 VDC \/ 110 - 230 VAC or 24 - 48 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP50 front panel, IP20 rear terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstand\u003c\/td\u003e\n\u003ctd\u003eIEC 60255-5 \/ IEEE C37.90 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network and Backplane Architecture\u003c\/h3\u003e\n\u003cp\u003eThe GE Multilin UR8MH chassis uses a modular backplane structure to provide communication and power interfaces between Universal Relay modules. The architecture supports installation of CT\/VT input modules, digital I\/O cards, communication assemblies, and power supply modules according to the selected UR protection application.\u003c\/p\u003e\n\u003cp\u003eThe chassis design supports hot-swappable and field-replaceable module configurations where permitted by the installed UR device architecture. Backplane communication velocity and module compatibility are determined by the installed firmware and UR hardware configuration.\u003c\/p\u003e\n\u003cp\u003eThe UR8MH platform supports GE UR-series devices including protection, control, and monitoring assemblies such as C70, T60, L90, D60, and B30 configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the UR8MH support redundant power supply installation?\u003cbr\u003eA: Yes. The chassis supports dual independent power supply modules when configured with compatible UR-series power assemblies. Redundant operation depends on the installed protection system configuration.\u003c\/p\u003e\n\u003cp\u003eQ: Can UR8MH modules be replaced during operation?\u003cbr\u003eA: The chassis supports field-replaceable module architecture. Hot-swap capability depends on the specific module type and operating conditions defined by the UR platform documentation.\u003c\/p\u003e\n\u003cp\u003eQ: What communication interfaces are available through the UR8MH chassis?\u003cbr\u003eA: Communication availability depends on the installed UR-series communication modules. The chassis provides the mechanical and backplane infrastructure required for compatible communication assemblies.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the UR8MH chassis in a protected control cabinet or relay panel with adequate clearance for module insertion, rear terminal access, and ventilation.\u003c\/p\u003e\n\u003cp\u003eVerify rack mounting alignment before securing the chassis to prevent mechanical stress on the backplane connectors. Install power supply modules and I\/O assemblies according to the approved UR hardware arrangement.\u003c\/p\u003e\n\u003cp\u003eUse shielded wiring practices for low-level signal circuits. Terminate cable shields according to the grounding design of the protection panel to reduce electrical noise coupling.\u003c\/p\u003e\n\u003cp\u003eSeparate CT\/VT wiring, communication cables, and high-voltage power conductors to minimize electromagnetic interference. Confirm terminal tightness, protective grounding continuity, and correct module seating before energizing the relay assembly.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44497836081240,"sku":"UR8MH","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/UR8MH_da5eba91-c443-476c-9644-3c73dc18db18.jpg?v=1785830066","url":"https:\/\/www.industriaxplc.com\/ar\/products\/ge-multilin-ur8mh-ur-8mh-universal-relay-chassis","provider":"IndustriaX Limited","version":"1.0","type":"link"}