{"product_id":"feeder-protection-relay-ge-multilin-mifiipi11e1rhi00","title":"Feeder Protection Relay GE Multilin MIFIIPI11E1RHI00","description":"\u003cp\u003eonfigured for feeder overcurrent protection and circuit breaker control in electrical distribution networks, the \u003cstrong\u003eGE Multilin MIFIIPI11E1RHI00\u003c\/strong\u003e (\u003cstrong\u003eMIF II\u003c\/strong\u003e Feeder Protection Relay) provides direct physical\/electrical execution for phase and ground current monitoring, trip logic, and autoreclosing functions.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model MatrixHardware 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\u003eMIFIIPI11E1RHI00\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.5 kg (5.5 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard drawout\/panel mount enclosure (235 x 267 x 184 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLess than 10 W nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Power Supply\u003c\/td\u003e\n\u003ctd\u003e110 to 250 VDC \/ 110 to 230 VAC (+\/- 20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Current Input\u003c\/td\u003e\n\u003ctd\u003e1 A nominal ($I_n$)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround Current Input\u003c\/td\u003e\n\u003ctd\u003e1 A nominal ($I_n$)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz (+\/- 3 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e2 opto-isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Relays\u003c\/td\u003e\n\u003ctd\u003e6 programmable output relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Ports\u003c\/td\u003e\n\u003ctd\u003eFront RS-232, Rear isolated RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Interface\u003c\/td\u003e\n\u003ctd\u003e2 x 16 character backlit LCD with 5-button keypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Communication Interfaces\u003c\/h3\u003e\n\u003cp\u003eThe MIF II unit processes phase and ground AC signals through internal precision current transformers to calculate true RMS values for thermal overload, instantaneous overcurrent, and time-delayed overcurrent tripping functions. Channel-to-channel isolation between internal digital signal processing circuits, auxiliary power supply rails, and field current inputs ensures immunity to severe electromagnetic interference. Serial communication via the isolated rear RS-485 interface utilizes Modbus RTU protocol for remote integration with DCS and SCADA networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is the front RS-232 port used during commissioning and maintenance?\u003c\/p\u003e\n\u003cp\u003eA: The front panel RS-232 port provides galvanic isolation for direct point-to-point connection with a PC running EnerVista M II setup software. It allows real-time telemetry monitoring, fault wave retrieval, and field firmware flashing.\u003c\/p\u003e\n\u003cp\u003eQ: Can setting groups be switched remotely during grid reconfiguration?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the relay supports two distinct setting groups that can be toggled locally via the keypad or remotely via digital input status and Modbus RTU communication commands.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Installation\u003c\/strong\u003e: Mount the relay flush into a cut-out panel using the standard mounting brackets. Ensure adequate ventilation clearance around the top and bottom chassis heatsink channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Connection\u003c\/strong\u003e: Connect the rear chassis grounding stud directly to the main station earth grid using a short, low-impedance braided copper strap (minimum 4 mm sq).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCT Wiring Isolation\u003c\/strong\u003e: Wire secondary current transformer leads to shorting terminal blocks before connecting to the relay CT inputs. Maintain tight screw torque settings to prevent open-circuit CT hazards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Shielding\u003c\/strong\u003e: Use twisted-pair shielded cable for the rear RS-485 bus. Ground the cable shield at a single point at the master station end to avoid ground loop circulating currents.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE FANUC","offers":[{"title":"Default Title","offer_id":52718494810424,"sku":"MLFLLPL11E10HL00","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/MLFLLPL11E10HL002.jpg?v=1785315420","url":"https:\/\/www.automodulexpert.com\/products\/feeder-protection-relay-ge-multilin-mifiipi11e1rhi00","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}