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Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods.
Automatically translated name:
LOW VOLTAGE SURGE PROTECTIVE DEVICES -- PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS.
STANDARD published on 28.10.2002
Designation standards: UNE-EN 61643-21:2002
Publication date standards: 28.10.2002
SKU: NS-562069
The number of pages: 65
Approximate weight : 195 g (0.43 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Change published on 18.11.2009
Selected format:Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Change published on 22.5.2013
Selected format:
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