{"product_id":"ge-750-p1-g1-s1-hi-a20-r-feeder-management-relay","title":"GE 750-P1-G1-S1-HI-A20-R Feeder Management Relay","description":"\u003cp\u003eConfigured for distribution feeder protection and real-time power network monitoring, the \u003cstrong\u003eGE Multilin 750-P1-G1-S1-HI-A20-R\u003c\/strong\u003e (\u003cstrong\u003e750-P1-G1-S1-HI-A20-R\u003c\/strong\u003e Feeder Management Relay) provides direct physical\/electrical execution. The device is housed in a rugged drawout construction case to permit hardware isolation, handling complete overcurrent, voltage, and frequency protection functions on critical power distribution buses.\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\u003e750-P1-G1-S1-HI-A20-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric (GE Multilin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e750\/760 Feeder Management Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCanada (CA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e17.42 lb (7.90 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e7.00 in W x 6.50 in L x 8.50 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +60 deg C (-40 to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDriven via high-range (HI) internal control power supply matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Range\u003c\/td\u003e\n\u003ctd\u003e0 to 21 mA conversion range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interface Ports\u003c\/td\u003e\n\u003ctd\u003eRS232 (Front-panel accessible), RS422, RS485 (Rear terminal links)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree\u003c\/td\u003e\n\u003ctd\u003ePollution Degree II rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Construction\u003c\/td\u003e\n\u003ctd\u003eFully enclosed drawout chassis with internal shorting bars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnical Manual\u003c\/td\u003e\n\u003ctd\u003e1601-0120-AE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGE Industrial Control and Drivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility and Telemetry Control:\u003c\/strong\u003e The relay firmware processes incoming current and voltage wave signals through its 0 to 21 mA scaling inputs. The internal computation system tracks advanced metering parameters including running demand, maximum demand, frequency, and real-time watthour cost profiles, converting physical analog fields into localized status log points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and Network Mapping:\u003c\/strong\u003e The integrated RS232, RS422, and RS485 communication sub-layers operate on deterministic industrial protocols to ensure zero-lag synchronization with substation automation nodes. The serial buses route event logs and oscillography capture sequences straight to central engineering stations without delaying critical trip signal relays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What safety protection does the drawout construction provide when unseating the active relay?\u003c\/p\u003e\n\u003cp\u003eA: The drawout chassis features heavy-duty automatic CT (Current Transformer) shorting bars. When technicians pull the physical relay assembly outward for routine service or replacement, these bars mechanically short the CT circuits before the primary contact pins disconnect, avoiding dangerous high-voltage open circuits.\u003c\/p\u003e\n\u003cp\u003eQ: How do the front-panel visual interface components indicate a monitored limit trip?\u003c\/p\u003e\n\u003cp\u003eA: The front user interface combines an alphanumeric 40-character Liquid Crystal Display (LCD) with a status matrix of 20 distinct Light Emitting Diodes (LEDs). When a percent of load-to-trip setting is crossed, the software instantly flashes specific diagnostic LEDs and prints the underlying fault values onto the LCD screen.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47897029935294,"sku":"750-P1-G1-S1-HI-A20-R","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-11_17-38-06.png?v=1782787634","url":"https:\/\/www.autooiltech.com\/ar\/products\/ge-750-p1-g1-s1-hi-a20-r-feeder-management-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}