Norm
[AKTUELL]
UNE-EN 61643-351
UNE-EN 61643-351
Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) (Endorsed by Asociación Española de Normalización in March of 2017.)
Titel (englisch)
Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) (Endorsed by Asociación Española de Normalización in March of 2017.)