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in stockReleased: 2002-10-28
UNE EN 61643-21:2002
Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods.
Pararrayos de baja tensión. Parte 21: Pararrayos conectados a redes de telecomunicaciones y de transmisión de señales. Requisitos de funcionamiento y métodos de ensayo.
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| Standard number: | UNE EN 61643-21:2002 |
| Pages: | 65 |
| Released: | 2002-10-28 |
DESCRIPTION
This standard UNE EN 61643-21:2002 Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods. is classified in these ICS categories:
- 29.240.10