IEC 61643-21-ed.1.0/Amd.1

Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

STANDARD published on 25.4.2008

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The information about the standard:

Designation standards: IEC 61643-21-ed.1.0/Amd.1
Note: Change
Publication date standards: 25.4.2008
The number of pages: 41
Approximate weight : 123 g (0.27 lbs)
Country: International technical standard
Category: Technical standards IEC