CEI EN 61643-21/A1:2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Low voltage surge protective devices Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Hardcopy , PDF
English
01-08-2010
15-01-2021
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 ALSO REFERS:ITU K.65 THIS STANDARD IS IDENTICAL:EN 61643-21/A1:2009
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
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