IS EN 61643-21:2001 Low voltage surge protective devices - Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods (IEC 61643-21:2000 (EQV) + Corrigendum Mar. 2001 (EQV))
Publication Year
2001
Document Status
Current
Abstract
Applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages.
Publisher Information
National Standards Authority of Ireland
National Standards Authority of Ireland (NSAI) is Ireland’s official standards body. They operate under the National Standards Authority of Ireland Act (1996) and are accountable to the Minister of Enterprise, Trade, Employment and Innovation.
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