NEN-IEC 61643-21/C1
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 June 2001 |
| Status: | inactive |
| Page Count: | 3 |
| ICS Code (Substations. Surge arresters): | 29.240.10 |
Document History
NEN-IEC 61643-21/C1
June 1, 2001
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.
December 1, 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 etworks against indirect and direct effects of lightning or other transient overvoltages.