NF EN IEC 61643-21

NF EN IEC 61643-21

January 2026
Standard Current

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods

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Main informations

Collections

National standards and national normative documents

Publication date

January 2026

Number of pages

96 p.

Reference

NF EN IEC 61643-21

ICS Codes

29.240.10   Substations. Surge arresters

Print number

1

International kinship

IEC 61643-21:2025 ED2

European kinship

EN IEC 61643-21:2026
Replaced standards (3)
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

NF EN 61643-21/A2
July 2013
Standard Current
Low voltage surge protective devices - Part 21 : surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

NF EN 61643-21
November 2001
Standard Current
Low voltage surge protective devices - part 21 : surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

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