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IEC 61643-21

IEC 61643-21:2000
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
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.
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Technical committee

TC 37/SC 37A Low-voltage surge protective devices
Publication typeInternational Standard
Publication date2000-09-29
Edition1.0
ICS

29.240.10

Stability date2025
ISBN number2831853656
Pages111
File size899.21 KB
EditionDatePublicationEditionStatus
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