{"product_id":"ge-469-p1-hi-a20-e-h-motor-management-relay","title":"GE 469-P1-HI-A20-E-H Motor Management Relay","description":"\u003cp\u003eThe \u003cstrong\u003eGE Multilin 469-P1-HI-A20-E-H\u003c\/strong\u003e serves as the primary \u003cstrong\u003e469\u003c\/strong\u003e Motor Management Relay utilized to execute comprehensive thermal modeling and discrete fault protection across medium-to-large motor platforms. This enhanced hardware unit monitors multi-phase electrical inputs, processes continuous thermal metrics, and executes automated sub-cycle trip sequences to insulate high-power synchronous and induction motor windings from destructive load irregularities.\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-P1-HI-A20-E-H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric (GE Multilin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCanada \/ USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard horizontal drawout panel-mount chassis footprint mass profile (~9.50 lbs net)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard UR series horizontal 19-inch drawout chassis profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +60 deg C (Continuous ambient operational boundaries)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +80 deg C (De-energized inventory storage limits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Current Inputs\u003c\/td\u003e\n\u003ctd\u003e1 A phase CT secondaries configuration (\u003cstrong\u003eP1\u003c\/strong\u003e specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e9 discrete opto-isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e4 channels, programmable 0 to 1 mA analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Protection\u003c\/td\u003e\n\u003ctd\u003eHarsh chemical environment conformal coating (\u003cstrong\u003eE\u003c\/strong\u003e option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware Tool\u003c\/td\u003e\n\u003ctd\u003eEnerVista 469 Setup software interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal HMI Panel\u003c\/td\u003e\n\u003ctd\u003eEnhanced front faceplate with larger 40-character LCD, status LEDs, and keypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Serial Port\u003c\/td\u003e\n\u003ctd\u003eFront-facing RS232 port for direct diagnostic engineering terminal connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Power Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and Vector Calculation:\u003c\/strong\u003e The relay utilizes a dedicated, multi-processor architecture to maintain high-velocity calculations across its internal sensing backplane bus. The hardware continuously converts analog vectors from the 1 A secondary current transformers, passing synchronous calculations to the main processing core to evaluate phase unbalance, jam, and ground fault protection equations without processing lag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP and Deterministic Network Interoperability:\u003c\/strong\u003e Through its digital communication framework, the module packages active measurement arrays, motor health metrics, and historical diagnostic fault registers. These variables are published across deterministic station bus networks to ensure synchronized integration with centralized plant SCADA and distributed control systems (DCS).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the engineering consequences of mismatching the current transformer (CT) secondary current configuration?\u003c\/p\u003e\n\u003cp\u003eA: The \"P1\" designation mandates connection exclusively to 1 A nominal secondary current transformers. Connecting this hardware to a 5 A secondary current transformer will saturate the internal input transformers, distort the core mathematical thermal model, and cause a severe failure to trip during genuine overcurrent conditions.\u003c\/p\u003e\n\u003cp\u003eQ: How does the \"E\" suffix changeover option protect the internal module components?\u003c\/p\u003e\n\u003cp\u003eA: The \"E\" option indicates the application of a thin, polymeric conformal coating matrix over all internal printed circuit boards. This chemical barrier prevents dust penetration, airborne ionic tracking, and moisture condensation from establishing parasitic conductive paths across high-density circuit components.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Layout Alignment, Clearance Constraints, and Mechanical Seating:\u003c\/strong\u003e Insert the horizontal drawout relay assembly cleanly into its designated switchgear cutout panel. Fasten the structural perimeter mounting screws securely to isolate the assembly from mechanical motor vibrations. Maintain a clear 100 mm convective space above and below the external chassis frame to support unhindered heat dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation, Wireway Constraints, and Shield Grounding:\u003c\/strong\u003e Route all 1 A current transformer secondary loops and auxiliary control power cables inside enclosed metal wireways, isolated from low-voltage analog outputs or communication links. Ground the main frame earthing stud directly to the central copper panel earth bus bar using a low-resistance grounding strap to block high-frequency transient switching currents from disrupting the local processor core.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47901804626110,"sku":"469-P1-HI-A20-E-H","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-08_09-54-20_aa2b1fe0-3dfb-4187-91c6-8942c375d553.png?v=1782899995","url":"https:\/\/www.autooiltech.com\/ar\/products\/ge-469-p1-hi-a20-e-h-motor-management-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}