IEC 61643-21 Revised
IEC 61643-21:2000/AMD1:2008
Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
CHFÂ 160.-
A more recent version of this publication exists:
IEC 61643-21:2025
Technical committee
TC 37/SC 37A Low-voltage surge protective devices| Publication type | International Standard |
| Publication date | 2008-04-25 |
| Edition | 1.0 |
| ICS | 29.240.10 |
| Withdrawal date | 2025-10-20 |
| ISBN number | 2831897319 |
| Pages | 41 |
| File size | 1.08 MB |
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