{"product_id":"ge-multilin-750-sr750-feeder-management-system","title":"GE Multilin 750 SR750 Feeder Management System","description":"\u003ch2\u003eGE Multilin 750 SR750 Feeder Management System\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE Multilin 750 (SR750)\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSR750\u003c\/strong\u003e Feeder Management System, operates as a dedicated hardware component for feeder protection, measurement, and control execution within electrical distribution protection networks. The unit provides digital processing of current, voltage, status inputs, and control outputs through a drawout relay platform.\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\u003e750 \/ SR750\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\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e700 Series Feeder Management System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Power Supply\u003c\/td\u003e\n\u003ctd\u003eHI Option: 88-300 VDC or 70-265 VAC; LO Option: 20-60 VDC or 20-48 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Inputs\u003c\/td\u003e\n\u003ctd\u003e1 A or 5 A phase CT inputs; 1 A or 5 A ground CT inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVT Inputs\u003c\/td\u003e\n\u003ctd\u003e50 V to 240 V secondary inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003eUp to 12 programmable contact inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Relays\u003c\/td\u003e\n\u003ctd\u003eUp to 8 programmable output relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog I\/O\u003c\/td\u003e\n\u003ctd\u003eOptional 4-20 mA transducer inputs and outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunications\u003c\/td\u003e\n\u003ctd\u003eRS232 front port, dual RS485 rear ports with Modbus RTU, optional Ethernet Modbus TCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control Communication and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe GE Multilin 750 integrates programmable processing functions for feeder protection, metering, and control logic. The relay supports configurable I\/O mapping, communication interfaces, and firmware-managed operating functions within the 700 Series platform. Communication architecture includes serial Modbus RTU connectivity through RS485 ports and optional Ethernet Modbus TCP integration for supervisory systems.\u003c\/p\u003e\n\u003cp\u003eFirmware flash compatibility is managed according to the relay hardware configuration and installed option set. Firmware updates require verification of hardware revision, communication configuration, and application settings before deployment.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the SR750 support hot-swap replacement during energized operation?\u003c\/p\u003e\n\u003cp\u003eA: The SR750 uses a drawout case design. Removal and insertion procedures must follow site electrical isolation requirements and the applicable protection system maintenance procedures.\u003c\/p\u003e\n\u003cp\u003eQ: What communication interfaces are available on the SR750?\u003c\/p\u003e\n\u003cp\u003eA: The unit provides an RS232 front communication port, dual RS485 rear communication ports supporting Modbus RTU, and optional Ethernet communication supporting Modbus TCP.\u003c\/p\u003e\n\u003cp\u003eQ: What current transformer inputs are supported by the relay?\u003c\/p\u003e\n\u003cp\u003eA: The SR750 accepts 1 A or 5 A secondary current transformer inputs for phase and ground protection measurement circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the relay in a compatible protection panel using the specified drawout mounting arrangement. Maintain separation between power wiring, CT\/VT signal wiring, communication cables, and high-noise switching conductors.\u003c\/p\u003e\n\u003cp\u003eTerminate cable shields according to the site grounding design to reduce electromagnetic interference on measurement and communication circuits. Verify CT polarity, secondary wiring continuity, VT connection configuration, and control power polarity before energizing the unit.\u003c\/p\u003e\n\u003cp\u003eConfirm communication parameters including Modbus addressing, baud rate, and network settings before connection to supervisory or control systems. Record installed firmware revision and configuration data during commissioning.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44508360212568,"sku":"SR750","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/750-P5-G5-S5-HI-A20-R-E.jpg?v=1786011133","url":"https:\/\/www.industriaxplc.com\/id\/products\/ge-multilin-750-sr750-feeder-management-system","provider":"IndustriaX Limited","version":"1.0","type":"link"}