Change STN EN 61643-21:2002/A1 1.1.2010 preview

STN EN 61643-21:2002/A1 (341392)

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



STANDARD published on 1.1.2010


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The information about the standard:

Designation standards: STN EN 61643-21:2002/A1
Classification mark: 341392
Catalog number: 109920
Note: Change
Publication date standards: 1.1.2010
SKU: NS-530848
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN EN 61643-21:2002/A1 (01.02.2010)

This change (correction) applies to this standard:

STN EN 61643-21 (341392)

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

Standard published on 1.8.2002

We recommend simillar standard:!
ČSN EN 61643-21 (01.03.2002)
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