{"product_id":"ge-multilin-489-p5-hi-a20-e-generator-management-relay","title":"GE Multilin 489-P5-HI-A20-E Generator Management Relay","description":"\u003ch2\u003eGE Multilin 489-P5-HI-A20-E Generator Management Relay\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE Multilin 489-P5-HI-A20-E\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e489-P5-HI-A20-E\u003c\/strong\u003e Generator Management Relay, operates as a dedicated hardware component for generator protection, measurement, control, and monitoring within GE Multilin generator management platforms. The relay integrates CT\/VT acquisition, RTD monitoring, configurable I\/O, analog outputs, and serial communication interfaces for synchronous and induction generator applications.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003e489-P5-HI-A20-E\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\u003e17.86 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e20 W nominal, 35 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Power Supply\u003c\/td\u003e\n\u003ctd\u003e88-300 VDC \/ 88-265 VAC, 48-62 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenerator Frequency Range\u003c\/td\u003e\n\u003ctd\u003e20 Hz to 70 Hz tracking range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Current Inputs\u003c\/td\u003e\n\u003ctd\u003e5 A CT secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround \/ Neutral CT Inputs\u003c\/td\u003e\n\u003ctd\u003e1 A \/ 5 A selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Inputs\u003c\/td\u003e\n\u003ctd\u003e50-240 VAC phase-to-neutral nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e9 configurable dry contact inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Relays\u003c\/td\u003e\n\u003ctd\u003e6 Form-C \/ Form-A contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e4 assignable 4-20 mA outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTD Inputs\u003c\/td\u003e\n\u003ctd\u003e12 configurable RTD inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTD Types\u003c\/td\u003e\n\u003ctd\u003e100 ohm Platinum, 120 ohm Nickel, 10 ohm Copper, 100 ohm Nickel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485 Communication\u003c\/td\u003e\n\u003ctd\u003e300, 1200, 2400, 4800, 9600, 19200 baud rates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpulse Voltage Withstand\u003c\/td\u003e\n\u003ctd\u003e5 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFT Standard\u003c\/td\u003e\n\u003ctd\u003eIEEE\/ANSI C37.90.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Thermal Withstand\u003c\/td\u003e\n\u003ctd\u003e20 x IN for 1 second, 3 x IN continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase CT Burden\u003c\/td\u003e\n\u003ctd\u003eLess than 0.2 VA at nominal rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet-IP Deterministic Network and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe GE Multilin 489-P5-HI-A20-E applies industrial control architecture principles for deterministic protection data handling. The enhanced hardware option includes Ethernet communication capability for system integration, while RS485 serial communication supports configurable baud rates for supervisory connections.\u003c\/p\u003e\n\u003cp\u003eThe relay firmware manages generator protection functions, measurement processing, and control logic execution through a microprocessor-based platform. Hardware option selection defines available communication and display functions, requiring firmware compatibility with the installed relay configuration.\u003c\/p\u003e\n\u003cp\u003eThe device provides configurable I\/O density scaling through nine contact inputs, six relay outputs, four 4-20 mA analog outputs, and twelve RTD monitoring channels. RTD channels support alarm and trip processing for connected temperature sensing elements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of current transformers are supported by the 489-P5-HI-A20-E?\u003cbr\u003eA: The relay uses P5 phase current inputs designed for 5 A CT secondary signals. Ground and neutral CT inputs support selectable 1 A or 5 A configurations.\u003c\/p\u003e\n\u003cp\u003eQ: Does the relay support hot-swapping during operation?\u003cbr\u003eA: The available technical data does not specify hot-swap capability. Installation and replacement procedures should follow GE Multilin relay service requirements with power removed before hardware access.\u003c\/p\u003e\n\u003cp\u003eQ: What communication interface parameters are available for RS485 operation?\u003cbr\u003eA: The RS485 interface supports selectable baud rates of 300, 1200, 2400, 4800, 9600, and 19200.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the GE Multilin 489-P5-HI-A20-E in a suitable protective panel environment with appropriate clearance for wiring access and heat dissipation. Connect CT secondary circuits using dedicated twisted wiring and maintain correct polarity to prevent measurement errors.\u003c\/p\u003e\n\u003cp\u003eAnalog output wiring should be separated from high-voltage power conductors to reduce induced noise. Cable shields should be terminated according to site grounding practices, with attention to avoiding ground loops in low-level measurement circuits.\u003c\/p\u003e\n\u003cp\u003eRTD wiring should use appropriate lead compensation methods and maintain separation from switching circuits. Communication wiring for RS485 should use shielded twisted pairs with proper termination practices according to the network installation design.\u003c\/p\u003e\n\u003cp\u003eVerify control power voltage range, CT input configuration, VT connections, and relay contact assignments before energizing the protection system.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44511605522520,"sku":"489-P5-HI-A20E","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/489-P5-HI-A20-E-H.jpg?v=1786007219","url":"https:\/\/www.industriaxplc.com\/id\/products\/ge-multilin-489-p5-hi-a20-e-generator-management-relay","provider":"IndustriaX Limited","version":"1.0","type":"link"}