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    I.S. EN IEC 60947-9-1:2019

    Current The latest, up-to-date edition.

    Low-voltage switchgear and controlgear - Part 9-1: Active arc-fault mitigation systems - Arc quenching devices

    Available format(s):  Hardcopy, PDF

    Language(s):  English - French

    Published date:  11-06-2019

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Abstract - (Show below) - (Hide below)

    This part of IEC 60947 covers low-voltage arc quenching devices, hereinafter referred to as AQDs, which are intended to eliminate arc-faults in low-voltage assemblies (typically lowvoltage switchgear and controlgear assemblies in accordance with the IEC 61439 series), by creating a lower impedance current path, to cause the arcing current to transfer to the new current path.

    General Product Information - (Show below) - (Hide below)

    Committee TC 121
    Document Type Standard
    Product Note THIS STANDARD ALSO REFERES TO : IEC 60417,IEC 60947-9-2,IEC TS 63107. The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.<br>
    Publisher National Standards Authority of Ireland
    Status Current
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