Skip to content
Please enter a keyword to search

  • CEI EN 61643-21/A2:2014

    Current The latest, up-to-date edition.

    Low voltage surge protective devices Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

    Available format(s):  Hardcopy, PDF

    Language(s):  English - Italian

    Published date:  01-02-2014

    Publisher:  Comitato Elettrotecnico Italiano

    Add To Cart

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

    Document Type Amendment
    Product Note This standard is also refers to ITU-T Recommendation K.44:2011,ITU-T Recommendation K.45:2008.
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective