MRI4 Feeder Protection (MRI4-2A0AAA)

    The MRI4 is a protection relay which uses the latest Dual-Core-Processor Technology to provide precise and reliable protective functions and is very easy to operate. The MRI4 provides a number of three phase protection elements to safeguard against overcurrent, short-circuit and earth fault, all with inverse time (INV) and definite time (DEFT) tripping characteristics.
    The MRI4 is also ideal for the protection of isolated, resonant, resistive and solidly earthed neutral systems. It is designed to be used in both radial networks and single fed open ring main systems. It can also serve as backup protection for differential protection systems on generators, transformers, bus bars and electrical lines. For overhead line protection the MRI4 is also available with an optional auto reclosing function.
    The protection functions of the MRI4 have been adapted to comply with the requirements of the VDE-AR-N-4110:2018.

    MRI4-2 highPROTEC Series

    Part Number: MRI4-2A0AAA
    https://www.turner-ecs.com/web/image/product.template/17/image_1920?unique=c5fae84

    Feeder Protection


    Hardware: DI:8 DO:6


    Please contact us if you need more information.
    Variants Overview Table
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    Termini e condizioni

    Features

    • Wide range power supply: 24 … 270 VDC / 48 … 230 VAC

    • CT measurement always with 1 A and 5 A

    • Plausibility verification intelligence

    • Optimized functional overview by hiding unused functions, parameter and assignments

    • On-board testing without removing the wiring 

    Applications

    • Interconnection of renewable energies (DER – distributed energy resources) to the public grid.

    • Over- / Undervoltage protection.

    • Protection of High, Medium and Low Voltage feeders against thermal damages by overload or short circuit currents.

    • Protection of High, Medium and Low Voltage feeders against overvoltage (insulation damage) and undervoltage.

    • Auto reclosure option to fix short duration faults (like bird flying through overhead lines, ice on lines, lightning’s hitting overhead lines, wind caused arcing by on overhead lines.

    Downloads

    Specification

    Name Open
    DOK-FLY-MRI4-2D.pdf Open
    DOK-FLY-MRI4-2E.pdf Open

    Manuals

    Name Open
    MRI4-3.7-DE-MAN_C.pdf Open
    MRI4-3.7-EN-MAN_C.pdf Open
    Contact us
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    24/7: +31 (0) 6 57 59 22 50
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    Staffordshire ST5 7XE
    United Kingdom
    Tel: +44 1782 569190
    info.uk@turner-ecs.com

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    Tel: +39 0362 62 12 40
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    D63225 Langen
    Germany
    Tel.: +49 (0) 6103 73 299 0
    info.de@turner-ecs.com

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    7th Floor, Sh. Khalifa Street
    P.O. Box 203, Abu Dhabi
    United Arabic Emirates
    Tel: +971 02 626 7912
    info.me@turner-ecs.com

    Turner ECS Saudi Arabia

    Office No. 702
    7th Floor Al Mousa Tower
    6682 Al Amir Turki-Al Yarmok Dst.
    Al Khobar - Saudi Arabia
    General: +966 138343734

    Mobile: +966(0)504827421
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    Turner ECS Qatar

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    Ein Khalid Commercial Building
    Doha, Qatar
    Tel: +974 3338 0351
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