Digital Grid Digital Grid


Overcurrent Protection Device


SIPROTEC 5 base module with large display

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    The SIPROTEC 7SJ82 overcurrent protection has specifically been designed for a cost-effective and compact protection of feeders and lines in medium-voltage and high-voltage systems. With its flexibility and the powerful DIGSI 5 engineering tool, the SIPROTEC 7SJ82 device offers future-oriented system solutions with high investment security and low operating costs.

    Main function:

    Feeder and overcurrent protection for all voltage levels

    Inputs and outputs:

    4 current transformers, 4 voltage transformers
    (optional), 11 or 23 binary inputs, 9 or 16 binary outputs, or
    8 current transformers, 7 binary inputs,
    7 binary outputs

    Hardware flexibility:

    Different hardware quantity structures for binary inputs and outputs are available in the 1/3 base module. Adding 1/6 expansion modules is not possible; available with large or small display.

    Housing width:

    1/3 × 19 inches

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