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IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV
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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Consolidated version
The content of amendment(s) is incorporated into the publication. The track changes mode shows where the publication has been modified by the amendment.
DiscoverTechnical committee
TC 37/SC 37A Low-voltage surge protective devices| Publication type | International Standard |
| Publication date | 2000-09-29 |
| Edition | 1.0 |
| ICS | 29.240.10 |
| Stability date | 2025 |
| ISBN number | 2831853656 |
| Pages | 111 |
| File size | 899.21 KB |
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