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Superseded
Superseded
View Superseded by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
Amendment of
Available format(s)
Hardcopy , PDF
Language(s)
English - Italian
Published date
01-01-2011
Publisher
Superseded date
03-11-2026
Superseded by
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Superseded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 |
Summarise
US$149.23
Excluding Tax where applicable