NEN-EN-IEC 61643-21/A2
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 February 2013 |
| Status: | active |
| Page Count: | 28 |
| ICS Code (Power transmission and distribution networks): | 29.240 |
| ICS Code (Substations. Surge arresters): | 29.240.10 |
Document History
NEN-EN-IEC 61643-21/A2
February 1, 2013
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
A description is not available for this item.
May 1, 2009
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
A description is not available for this item.
September 1, 2001
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 etworks against indirect and direct effects of lightning or other transient overvoltages.