{"product_id":"ge-750-p1-g1-s1-hi-a20-r-e-feeder-management-relay","title":"GE 750-P1-G1-S1-HI-A20-R-E Feeder Management Relay","description":"\u003cp\u003eThe \u003cstrong\u003eGE Multilin 750-P5-G1-S5-HI-A20-R-E\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e750-P5-G1-S5-HI-A20-R-E\u003c\/strong\u003e Feeder Management Relay, serves as the primary \u003cstrong\u003e750\u003c\/strong\u003e Feeder Management Relay utilized to execute comprehensive monitoring, circuit breaker control, and automated overcurrent fault isolation across medium-to-large utility and industrial power distribution networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe SR750 series utilizes explicit alphanumeric codes within its ordering matrix to define the integrated hardware options and functionality block baseline:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e750\u003c\/strong\u003e: Core basic unit designator for the Feeder Management Relay series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP5\u003c\/strong\u003e: 5 A phase current secondary inputs equipped for standard CT interfacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1\u003c\/strong\u003e: 1 A zero sequence current inputs paired with sensitive ground current detection hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS5\u003c\/strong\u003e: Enhanced feature set package containing advanced protection control options (such as breaker failure, synchrocheck, or auto-reclose).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI\u003c\/strong\u003e: High-voltage universal control power supply block (88-300 VDC \/ 70-265 VAC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA20\u003c\/strong\u003e: Advanced analog I\/O configuration containing eight 4 to 20 mA analog outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e: Enhanced red breaker closed status LED indicators installed on the front faceplate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE\u003c\/strong\u003e: Enhanced diagnostics functionality equipped with an enhanced faceplate layout.\u003c\/li\u003e\n\u003c\/ul\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\u003e750-P5-G1-S5-HI-A20-R-E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Multilin (General Electric)\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\u003e10.00 lbs (4.54 kg) net weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard SR750 series panel-mount drawout case footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial switchgear environmental parameters apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eControl Power range: 88-300 VDC \/ 70-265 VAC at 48-62 Hz frequency bounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFeeder Management Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Inputs\u003c\/td\u003e\n\u003ctd\u003e5 A phase current inputs \/ 1 A zero sequence and sensitive ground inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003eEight independent 4 to 20 mA analog output loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Logic Inputs\u003c\/td\u003e\n\u003ctd\u003eMulti-channel logic command interface (supports dry or wet contacts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Relays\u003c\/td\u003e\n\u003ctd\u003eMulti-slot programmable electromechanical output relay array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Pickup\u003c\/td\u003e\n\u003ctd\u003e0 to 1.25 x VT scaling adjustable in steps of 0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunications\u003c\/td\u003e\n\u003ctd\u003eSerial copper bus supporting high-speed transmission rates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifecycle Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Power System Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and Density Scaling\u003c\/strong\u003e The relay captures detailed network waveforms through a dedicated multi-channel processing architecture. It updates internal telemetry registers with current waveforms, voltage signals, logic input states, and output relay parameters simultaneously, ensuring instantaneous transmission over the serial communication link to upstream PLCs or SCADA platforms without causing data bottlenecks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeterministic Protection Simulation and Trace Memory Execution\u003c\/strong\u003e The hardware features an isolated internal self-assessment and process simulation engine. This system allows technicians to test advanced protection algorithms (such as the directional overcurrent or voltage elements configured within the S5 block) and map virtual faults directly to Trace Memory without applying external primary AC injection sources, ensuring mathematically pure variable generation for verifying custom logic setpoints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What advanced protection elements are typically added by the \"S5\" functionality block relative to basic standard configurations?\u003c\/p\u003e\n\u003cp\u003eA: The \"S5\" configuration suffix expands the software module baseline to include specialized feeder automation controls. This includes automated multi-shot circuit breaker reclosing (auto-reclose), synchronism checking (synchrocheck) for network paralleling, breaker failure detection logic, and enhanced voltage\/frequency protection loops.\u003c\/p\u003e\n\u003cp\u003eQ: How do the eight 4 to 20 mA analog outputs provided by the \"A20\" option interface with downstream control equipment?\u003c\/p\u003e\n\u003cp\u003eA: The eight analog output circuits act as transducers that convert real-time calculated AC electrical values (such as phase current, average bus voltage, or power metrics) into active dc current loops. These signals drive remote panel meters, chart recorders, or analog input cards of plant DCS systems directly without requiring external transducers.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Alignment, Drawout Seating, and Enclosure Mounting\u003c\/strong\u003e Mount the relay vertically within a standard switchgear panel cutout. Slide the drawout chassis straight into its designated outer enclosure casing until the heavy-duty rear terminal blocks align and lock into place, verifying that the front faceplate seal is firmly compressed against dust ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Routing, Trace Grounding, and Analog Shield Shielding\u003c\/strong\u003e Route all low-voltage 4 to 20 mA analog output circuits and discrete logic signal lines through separate grounded steel conduits away from high-power current transformer (CT) and voltage transformer (VT) secondary leads. Bond all control cable shields to the local protective earth grounding bar at a single point to eliminate induced electrical noise or signal distortion.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47621479268542,"sku":"750-P1-G1-S1-HI-A20-R-E","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_527e1858-395b-4a8e-a899-1fc0f0b95e95.png?v=1781171864","url":"https:\/\/www.autooiltech.com\/products\/ge-750-p1-g1-s1-hi-a20-r-e-feeder-management-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}