Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
NORM herausgegeben am 1.1.2010
Designation standards: STN EN 61643-21:2002/A1
Classification mark: 341392
Catalog number: 109920
Note: Änderung
Publication date standards: 1.1.2010
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN