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EN 61643-21:2001 Standard

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  Keywords:

#protective #devices #voltags #000 #system

This standard can be totally or partially supervised by:
  •   EN 61643-21:2001/A1:2009
  •   EN 61643-21:2001/A2:2013
  •   Directive

    Low voltage (LVD) Directive (2014/35/EU)

      Last Official Journal reference

    Wednesday 13th of December 2023

      Description:

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

      Purpose

    Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.

      Publication

    Wednesday 20th of April 2016

      Related Standards

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    Live working - Voltage detectors - Part 3: Two-pole low-voltage type

    EN 61270-1:1996

    Low voltage (LVD) Directive (2014/35/EU)

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