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sklademVydáno: 2013-05-31
BS EN 61643-21:2001+A2:2013
Low voltage surge protective devices Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods
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| Označení normy: | BS EN 61643-21:2001+A2:2013 |
| Počet stran: | 74 |
| Vydáno: | 2013-05-31 |
| ISBN: | 978 0 580 75726 6 |
| Status: | Standard |
DESCRIPTION
BS EN 61643-21:2001+A2:2013
This standard BS EN 61643-21:2001+A2:2013 Low voltage surge protective devices is classified in these ICS categories:
- 29.240.10 Substations. Surge arresters
- 33.040.30 Switching and signalling systems
- 29.120.50 Fuses and other overcurrent protection devices