EN 61643-21
Every edition of this standard in the harmonised standards lists published in the Official Journal of the EU.
| Edition | Act | Status |
|---|---|---|
| EN 61643-21:2001 Low voltage surge protective devices – Part 21: Surge protective devices connected to telecommunications and signalling networks – Performance requirements and testing methods Amendments and corrigenda: EN 61643-21:2001/A1:2009, EN 61643-21:2001/A2:2013 | LVD | reference published (presumption of conformity) |