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IEC 61643-21 Ed. 1.0 b:2000

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

Pages: 111
Publication date: 2000-09-29
Price: 204 vnd

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Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. The contents of the corrigendum of March 2001 have been included in this copy.
Document identifier
IEC 61643-21 Ed. 1.0 b:2000
Title
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
IEC Category
SC 37A: Low-voltage surge protective devices
Publication date
2000-09-29
Status
Effective
International Relationship
Cross references
Latest version
History of version
Keywords
Classification
29.240. Power transmission and distribution networks
29.240.10. Substations. Surge arresters
Pages
111
Price 204 vnd

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