Distance Protection Relay for Medium and Sub-Transmission



SIPROTEC 5 base module with large Display

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    The SIPROTEC 7SA82 distance protection has been designed particularly for the cost-optimized and compact protection of lines in medium-voltage and high-voltage systems. With its flexibility and the powerful DIGSI 5 engineering tool, the SIPROTEC 7SA82 device offers fu-ture-oriented system solutions with high investment secu-rity and low operating costs.

    Main function:

    Distance Protection for medium-voltage and high voltage applications


    3-pole, min. tripping time 19 ms

    Inputs and outputs:

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

    Hardware flexibility:

    Different hardware quantity structures for binary inputs and outputs are availa-ble in the 1/3 base module. Adding 1/6 expansion modules is not possible; avail-able with large or small Display

    Housing width:

    1/3 x 19''

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