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CEI EN 61643-21/A1:2011

Superseded

Superseded

View Superseded by

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

01-01-2011

Superseded date

03-11-2026

Superseded by

CEI EN IEC 61643-21:2026

US$149.23
Excluding Tax where applicable

This variant introduces changes to the articles from the first to the sixth and adds Annexes D and E.

DocumentType
Amendment
Pages
0
ProductNote
THIS STANDARD IS IDENTICAL:EN 61643-21/A1:2009 THIS STANDARD ALSO REFERS:ITU K.30,ITU K.65
PublisherName
Comitato Elettrotecnico Italiano
Status
Superseded
SupersededBy

US$149.23
Excluding Tax where applicable