{"product_id":"abb-gpu2000r-reg544-generator-protection-relay","title":"ABB GPU2000R REG544 Generator Protection Relay","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREG544 GPU2000R (1SABB084621R0001)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a microprocessor-driven generator protection relay engineered for the comprehensive protection of synchronous generators operating in utility, industrial, and renewable-energy power systems. Developed by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB\u003c\/strong\u003e, this unit is part of the proven GPU2000R platform, designed to deliver fast fault detection, precise protection logic, and continuous operational monitoring.\u003c\/p\u003e\n\u003cp\u003eThis relay integrates multiple generator protection functions into a single compact device, reducing system complexity while improving reliability and diagnostic transparency.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProtection Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREG544 GPU2000R (1SABB084621R0001)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eimplements advanced protection algorithms to safeguard generators against electrical and mechanical stress conditions:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePhase overcurrent protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGround fault protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOvervoltage and undervoltage supervision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUnderfrequency protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReverse power and anti-motoring protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoss-of-excitation detection using impedance-based (Mho circle) principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRotor earth-fault monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous supervision of voltage, current, frequency, and excitation status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReverse-power sensitivity is optimized for generator protection, with detection thresholds down to approximately 0.2% of rated power, allowing early intervention before mechanical damage occurs.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical Ratings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePhase current input range: 2.0–8.0 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGround current input range: 2.0–8.0 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuxiliary supply voltage: 38–58 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNominal system frequency: 60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInputs, Outputs, and Logic\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e8 programmable binary inputs for external status and interlocking signals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6 configurable output relays for trip, alarm, and control actions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated programmable logic enables customized protection schemes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal timers for runtime supervision, alarms, and event sequencing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMonitoring and Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eReal-time electrical metering for generator operating conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEvent and disturbance recording for post-fault analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNon-volatile flash memory firmware supporting updates and parameter retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelf-diagnostics with alarm signaling for internal failures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical and Environmental Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eForm factor: Panel-mounted protection unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: 200 × 200 × 100 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 23 lb\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eUtility and captive power plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial cogeneration systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRenewable-energy generator installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchronous generators connected to medium-voltage grids\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the REG544 suitable for both utility and industrial generators?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The relay is designed for synchronous generators across utility, industrial, and renewable-energy applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the unit support customizable protection logic?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The integrated programmable logic allows users to adapt protection schemes to specific generator and grid requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this relay operate with DC control power only?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The auxiliary supply range of 38–58 VDC supports typical DC control systems used in power plants.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42926429208666,"sku":"GPU2000R REG544","price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/GPU2000RREG5442.jpg?v=1771058696","url":"https:\/\/www.plcmasters.com\/vi\/products\/abb-gpu2000r-reg544-generator-protection-relay","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}