{"product_id":"ge-489-p5-lo-a20-e-generator-management-relay","title":"GE 489-P5-LO-A20-E Generator Management Relay","description":"\u003ch3\u003e\u003cstrong\u003eGE Multilin 489-P5-LO-A20-E Generator Protection Relay\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eGeneral Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e489-P5-LO-A20-E\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGE Multilin \/ GE Grid Solutions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e489 Generator Management Relays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCanada\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eForm Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDraw-out case (included if specified on quotation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 10 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 489-P5-LO-A20-E is a generator protection relay designed for use with both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einduction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esynchronous generators\u003c\/strong\u003e. It provides advanced protection, monitoring, and control functions for generators operating at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e25, 50, or 60 Hz\u003c\/strong\u003e, making it ideal for utility and industrial applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGenerator Protection\u003c\/strong\u003e: Includes phase and ground overcurrent, reverse power, loss of excitation, low forward power, and more.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Thermal Model\u003c\/strong\u003e: Multiple RTD support for accurate thermal monitoring of the stator.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEvent Analysis Tools\u003c\/strong\u003e: Integrated waveform capture, event logging, and data logging to reduce troubleshooting time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Communications\u003c\/strong\u003e: Dual RS485 ports supporting\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eModbus RTU\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDNP 3.0\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(up to 19200 bps), with optional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEthernet\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDeviceNet\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einterfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In Simulation Functions\u003c\/strong\u003e: Simplifies testing and commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDraw-Out Construction\u003c\/strong\u003e: Enables quick replacement and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField-Upgradable Firmware\u003c\/strong\u003e: Supports long-term lifecycle maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAsset Monitoring\u003c\/strong\u003e: Real-time monitoring of temperatures, analog inputs, energy demand, and status data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eUser Interface \u0026amp; Front Panel\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e: 40-character LCD for setpoints, diagnostics, and values.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eControls\u003c\/strong\u003e:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eNumeric keypad\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStatus and navigation LEDs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMenu and control buttons (Reset, Enter, Menu, Up, Down)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRS232\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efront port for local configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBack Panel I\/O \u0026amp; Connectivity\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRTD Inputs\u003c\/strong\u003e: 12 field-programmable RTD inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog I\/O\u003c\/strong\u003e: 4 isolated 4–20 mA inputs and outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVT Inputs\u003c\/strong\u003e: 4 voltage transformer inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCT Inputs\u003c\/strong\u003e: 7 current transformer inputs (phase, neutral, and ground sensing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e: 7 assignable digital inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Relays\u003c\/strong\u003e: 6 programmable outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e2 x RS485 ports (Modbus RTU \/ DNP 3.0)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional Ethernet and DeviceNet ports\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePulse Output Width\u003c\/strong\u003e: 200 to 1000 ms (configurable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIRIG-B Input\u003c\/strong\u003e: Amplitude modulated, 2.5–6.0 Vpk-pk at 3:1 signal ratio\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTachometer Input\u003c\/strong\u003e: Configurable via digital inputs 4–7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding\u003c\/strong\u003e: Separate safety and filter ground\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e: Meets SWC, C37.990 EMI\/RFI standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePollution Degree\u003c\/strong\u003e: II\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHarsh Environment Coating\u003c\/strong\u003e: Not available on this model\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase Overcurrent\u003c\/strong\u003e: With programmable fixed characteristic and voltage restraint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Set Overcurrent\u003c\/strong\u003e: Configurable for trip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow Forward Power\u003c\/strong\u003e: Programmable delay (0.2 to 120.0 s in 0.1 s steps)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eConclusion\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE Multilin 489-P5-LO-A20-E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a robust and versatile generator protection relay offering extensive I\/O, advanced diagnostics, and communication options. Its modular, user-friendly design supports high availability, easy commissioning, and simplified maintenance — making it a trusted choice for power generation facilities worldwide.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":50375280197928,"sku":"489-P5-LO-A20-E","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/489-P5-LO-A20-E1.jpg?v=1752204784","url":"https:\/\/www.powerdcs.com\/products\/ge-489-p5-lo-a20-e-generator-management-relay","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}