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Homepage>UNE standards>UNE EN 61643-21:2002/A1:2009 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
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in stockReleased: 2009-11-18
UNE EN 61643-21:2002/A1:2009 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

UNE EN 61643-21:2002/A1:2009

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/A1:2009
Pages:24
Released:2009-11-18
DESCRIPTION
This standard UNE EN 61643-21:2002/A1:2009 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