Digital Grid Digital Grid


Overcurrent Protection Device as Line Protection Backup


SIPROTEC 5 base module with large display

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    The feeder and overcurrent protection SIPROTEC 7SJ86 is part of the new SIPROTEC 5 series of modular, flexible and intelligent digital field devices.
    With its modularity and flexibility and its high-performance DIGSI 5 engineering tool, the SIPROTEC 7SJ86 fits perfectly for protection, control, monitoring, and measuring applications in electrical energy systems and for reserve or emergency protection for the line protection devices.

    Main function:

    Overcurrent protection



    Inputs and outputs:

    3 predefined standard variants with 4/4 current/voltage transformers,

    11 to 23 binary inputs,
    9 to 25 binary outputs

    Hardware flexibility:

    Flexibly adjustable and expandable I/O quantity structure within the scope of the SIPROTEC 5 modular system

    Width of housing:

    1/3 x 19'' to 2/1 x 19''

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