{"product_id":"ds2020expsg3-ex2000-exciter-power-supply-board-ge","title":"DS2020EXPSG3 EX2000 Exciter Power Supply Board | GE","description":"\u003cp\u003eThe \u003cstrong\u003eGE DS2020EXPSG3\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDS2020EXPS\u003c\/strong\u003e Exciter Power Supply Board, operates as a dedicated hardware component for AC\/DC power input measurement and battery inrush current limiting within GE EX2000 Excitation Control System networks.\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\u003eDS2020EXPSG3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eEX2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExciter Power Supply Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e33.0 cm x 17.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard GE EX2000 Board Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eRequires +5 VDC at 6 A backplane rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e28 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Input Channels\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e125 VDC output feed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eChassis Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Technology\u003c\/td\u003e\n\u003ctd\u003eSurface mount technology (SMT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual Reference\u003c\/td\u003e\n\u003ctd\u003eGEI-100168\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe DS2020EXPSG3 processes power telemetry across 12 input channels to monitor incoming AC and DC operating rails while providing active current-limiting protection when energized directly from station battery banks. Catalog designation rules govern backplane interface compatibility: the base identifier DS2020EXPS designates the functional hardware group, while the Group number (G3) specifies the physical circuit variant. Within the functional revision framework, the first alphabetic revision character indicates functional architecture changes that eliminate backward compatibility, whereas subsequent revision characters represent downward-compatible hardware iterations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary protection does the DS2020EXPSG3 provide when energized from a station battery?\u003c\/p\u003e\n\u003cp\u003eA: The board executes integrated current-limiting action to restrict high inrush currents upon energization from the station battery supply.\u003c\/p\u003e\n\u003cp\u003eQ: How is hardware compatibility determined across different EXPS revision levels?\u003c\/p\u003e\n\u003cp\u003eA: Compatibility is defined by the alphanumeric catalog suffix: a change in the first revision character denotes a non-backward-compatible functional update, while subsequent characters indicate downward-compatible revisions.\u003c\/p\u003e\n\u003cp\u003eQ: What are the primary input rail power requirements for board operation?\u003c\/p\u003e\n\u003cp\u003eA: The board requires an internal logic power supply of +5 VDC rated at 6 A, alongside a 28 VDC power supply voltage and a 12 VDC input rail.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all 125 VDC output circuits, station battery feeds, and internal power rails prior to removing or installing the chassis-mounted board.\u003c\/li\u003e\n\u003cli\u003eWear a grounded ESD wrist strap bonded to the cabinet chassis frame to protect surface-mount components from electrostatic discharge.\u003c\/li\u003e\n\u003cli\u003eConfirm chassis mounting hardware is securely fastened to ensure proper thermal dissipation and structural grounding across the assembly.\u003c\/li\u003e\n\u003cli\u003eVerify connector engagement and wire harness orientation against manual GEI-100168 before re-energizing the excitation control system.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":43918800289882,"sku":"DS2020EXPSG3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/DS2020EXPSG3.png?v=1787815824","url":"https:\/\/www.spareoil.com\/products\/ds2020expsg3-ex2000-exciter-power-supply-board-ge","provider":"SpareOil Automation","version":"1.0","type":"link"}