PUBLISHED
IEC 61643-21:2000 ED1
PUBLISHED
IEC 61643-21:2000/COR1:2001 ED1
60.60
Standard published
Mar 28, 2001
PROJECT
IEC 61643-21 ED2
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
60.60 Standard published