{"product_id":"469-p5-hi-a20-t-ge-multilin-469-motor-management-relay","title":"469-P5-HI-A20-T | GE | Multilin 469 Motor Management Relay","description":"\u003cp\u003eThe \u003cstrong\u003eGE 469-P5-HI-A20-T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e469\u003c\/strong\u003e Motor Management Relay, operates as a dedicated hardware component for protection, control, and diagnostic tracking within electrical substation and motor control center networks. The device reads current, voltage, and multiple Resistance Temperature Detector (RTD) inputs to execute protective profiling, including voltage-dependent overload curves, torque metering, and broken rotor bar detection. Hardware features include a draw-out construction to minimize replacement latency and an integrated event recorder.\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\u003e469-P5-HI-A20-T\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eTechnical specifications determine factory origin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003ePhysical enclosure mass varies by mounting configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 469 series panel cutout dimensions apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial grade classification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eControl supply dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Inputs\u003c\/td\u003e\n\u003ctd\u003e12 RTD inputs for stator thermal protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvent Recording\u003c\/td\u003e\n\u003ctd\u003eCyclic log of the last 256 events (time, cause, date, parameters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS232, RS485 (Optional: Ethernet, DeviceNet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eModbus RTU, Modbus TCP\/IP, DeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetering Variables\u003c\/td\u003e\n\u003ctd\u003eA, V, W, var, VA, PF, Hz, Wh, varh, demand, torque, temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Structure\u003c\/td\u003e\n\u003ctd\u003eDraw-out construction architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility and Deterministic Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe internal microprocessor architecture maintains synchronous code execution, utilizing specialized memory blocks to guarantee firmware flash compatibility across standard motor protection configurations. Input monitoring runs on a strict internal clock to provide deterministic measurement tracking of thermal and electrical variables. The I\/O backplane processing loops prevent runtime jitter during concurrent tracking of the 12 RTD inputs and active communication matrices over Modbus or DeviceNet networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the draw-out construction support live hot-swapping under load?\u003c\/p\u003e\n\u003cp\u003eA: No. Although the draw-out design facilitates rapid mechanical replacement, the primary control power and secondary current transformer (CT) circuits must be fully isolated prior to extracting the relay chassis to prevent high-voltage transient arcing or CT open-circuit conditions.\u003c\/p\u003e\n\u003cp\u003eQ: How does the internal event recorder behave once the 256-event threshold is reached?\u003c\/p\u003e\n\u003cp\u003eA: The event logger utilizes a first-in, first-out (FIFO) circular buffer matrix. When a new system event is registered beyond the 256-limit, the oldest record is automatically overwritten while maintaining absolute timestamp and system parameter integrity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Requirements\u003c\/strong\u003e: Connect a low-impedance copper conductor from the rear chassis grounding stud directly to the main switchgear earth bus bar before applying auxiliary power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding Protocol\u003c\/strong\u003e: Terminate the external shielding braid of all RTD and RS485 communication lines at the enclosure side only. Grounding both ends of the shield is prohibited to eliminate potential ground loop currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Separation\u003c\/strong\u003e: Route all high-voltage power wiring and contact output circuits through separate metal conduits away from low-voltage analog and communication signal wiring to reduce inductive coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53047400399157,"sku":"469-P5-HI-A20-T","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/469-P5-HI-A20-E_6adfc15e-3dea-43ef-ab5f-a779073a1538.jpg?v=1782722536","url":"https:\/\/www.5gplc.com\/products\/469-p5-hi-a20-t-ge-multilin-469-motor-management-relay","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}