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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
SKU: NS-530850
Approximate weight : 51 g (0.11 lbs)
Country: Slovak technical standard
Category: Technical standards STN
We recommend simillar standard:!
ČSN EN 61643-21 (01.03.2002)The category - similar standards:
Fuses and other overcurrent protection devicesSwitching and signalling systems
These changes apply to this standard:
STN EN 61643-21:2002/A1 (341392)
Change
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Change published on 1.1.2010
Selected format: English - Print design (ON REQUEST)
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STN EN 61643-21:2002/A2 (341392)
Change
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Change published on 1.7.2013
Selected format: English - Print design (ON REQUEST)
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