NF EN 61643-21/A1

NF EN 61643-21/A1

June 2009
Standard Current

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

Le présent document modifie l'avant-propos, les articles 1, 2, 3, 4, 5, 6, les annexes B, C, D, E, la bibliographie et l'annexe ZA. Le présent document entre dans le champ d'application de la Directive Basse Tension n° 2006/95/CE du 12/12/2006.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2009

Number of pages

26 p.

Reference

NF EN 61643-21/A1

ICS Codes

29.240.10   Substations. Surge arresters

Classification index

C61-744-21/A1

Print number

1 - 29/06/2009

International kinship

IEC 61643-21/A1:2008

European kinship

EN 61643-21/A1:2009
Sumary
Low voltage surge protective devices - Part 21 : surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

Le présent document modifie l'avant-propos, les articles 1, 2, 3, 4, 5, 6, les annexes B, C, D, E, la bibliographie et l'annexe ZA. Le présent document entre dans le champ d'application de la Directive Basse Tension n° 2006/95/CE du 12/12/2006.
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