{"product_id":"ge-multilin-sr750-p5-g5-s5-hi-a20-g-feeder-protection-relay","title":"GE Multilin SR750-P5-G5-S5-HI-A20-G Feeder Protection Relay","description":"\u003ch2\u003eGE Multilin SR750-P5-G5-S5-HI-A20-G Feeder Protection Relay\u003c\/h2\u003e\n\u003cp\u003eConfigured for feeder protection, monitoring, and control execution in GE Multilin 750 Feeder Management Relay platforms, the \u003cstrong\u003eGE Multilin SR750-P5-G5-S5-HI-A20-G\u003c\/strong\u003e (\u003cstrong\u003eSR750\u003c\/strong\u003e Feeder Protection Relay) provides direct physical and electrical execution for current sensing, breaker control, and power system diagnostics.\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\u003eSR750-P5-G5-S5-HI-A20-G\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\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eTypical 15 W, Maximum 35 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFeeder Protection Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e88-300 VDC or 88-265 VAC, 45-66 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Current Input\u003c\/td\u003e\n\u003ctd\u003e5 A CT secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround Current Input\u003c\/td\u003e\n\u003ctd\u003e5 A CT secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitive Ground Input\u003c\/td\u003e\n\u003ctd\u003e5 A CT secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e8 assignable outputs, 0-20 mA or 4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003eFront RS232, Rear RS485 with Modbus RTU support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e16 assignable opto-isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Contacts\u003c\/td\u003e\n\u003ctd\u003eUp to 8 Form A \/ Form C contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Functions\u003c\/td\u003e\n\u003ctd\u003e50\/51 phase and ground overcurrent, 67 directional overcurrent, 27\/59 voltage, 81 frequency, 50BF breaker failure, 49 thermal overload\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility and Industrial Network Integration\u003c\/h3\u003e\n\u003cp\u003eThe SR750 platform uses programmable relay firmware with integrated FlexLogic control functions for custom protection and automation sequences. Firmware flash compatibility management defines the supported software environment for relay operation, configuration retention, and application updates.\u003c\/p\u003e\n\u003cp\u003eThe relay supports industrial communication through RS232 and RS485 interfaces with Modbus RTU protocol. The communication structure allows exchange of protection status, metering values, event records, and control commands with supervisory systems.\u003c\/p\u003e\n\u003cp\u003eThe hardware architecture provides current input processing for phase, ground, and sensitive ground protection channels. Waveform capture supports fault analysis with oscillography recording up to 32 samples per cycle, while the event recorder stores up to 256 time-tagged events.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the SR750-P5-G5-S5-HI-A20-G support hot-swap module replacement?\u003cbr\u003eA: The available technical data does not specify hot-swap operation. Module replacement should be performed with the relay de-energized and according to approved maintenance procedures.\u003c\/p\u003e\n\u003cp\u003eQ: What is the analog output load capability of the A20 option?\u003cbr\u003eA: The A20 option provides 8 assignable analog current outputs with selectable 0-20 mA or 4-20 mA DC operation and supports a maximum load of 600 ohms.\u003c\/p\u003e\n\u003cp\u003eQ: What environmental protection is provided by the G option?\u003cbr\u003eA: The G option applies factory conformal coating for harsh industrial environments and is specified for ISA S71.04 Class G3 conditions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the relay in a suitable protective enclosure with appropriate clearance for wiring access and maintenance activities.\u003c\/p\u003e\n\u003cp\u003eConnect CT secondary wiring using correct polarity and maintain separation between current circuits, control wiring, and communication cables. Shielded communication cables should follow standard industrial grounding practices to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eVerify control power wiring before energization. Confirm that the supply voltage range matches the HI power input specification of 88-300 VDC or 88-265 VAC.\u003c\/p\u003e\n\u003cp\u003eRoute analog output wiring separately from high-current conductors. Use proper terminal tightening procedures and inspect all protective earth and enclosure bonding connections before commissioning.\u003c\/p\u003e\n\u003cp\u003eConfigure protection settings, communication parameters, and FlexLogic sequences according to the approved system protection design before placing the relay into service.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44508351299672,"sku":"SR750-P5-G5-S5-HI-A20-G","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/750-P5-G5-S1-HI-A20-R-E2_3e1c56c7-8b05-432b-a7ad-bc4502b24371.jpg?v=1786010858","url":"https:\/\/www.industriaxplc.com\/products\/ge-multilin-sr750-p5-g5-s5-hi-a20-g-feeder-protection-relay","provider":"IndustriaX Limited","version":"1.0","type":"link"}