IEC 61643-21 Consolidated version
IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
IEC 61643-21:2000+A1:2008+A2:2012 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. This consolidated version consists of the first edition (2000), its amendment 1 (2008) and amendment 2 (2012). Therefore, no need to order amendment in addition to this publication.
CHF 690.-
Technical committee
TC 37/SC 37A Low-voltage surge protective devicesPublication type | International Standard |
Publication date | 2012-07-27 |
Edition | 1.2 |
ICS | 29.240.10 |
Stability date | 2024 |
ISBN number | 9782832202951 |
Pages | 135 |
File size | 2.19 MB |
-
Ensure access to affordable, reliable, sustainable and modern energy for all
-
Promote inclusive and sustainable economic growth, full and productive employment and decent work for all
-
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
-
Make cities and human settlements inclusive, safe, resilient and sustainable
-
Take urgent action to combat climate change and its impacts