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

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The information about the standard:

Designation standards: STN EN 61643-21
Classification mark: 341392
Catalog number: 20601
Publication date standards: 1.8.2002
Approximate weight : 51 g (0.11 lbs)
Country: Slovak technical standard
Category: Technical standards STN