Revised
Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. The contents of the corrigendum of March 2001 have been included in this copy.
WITHDRAWN
IEC 61643-21:2000 ED1
99.60
Withdrawal effective
Oct 20, 2025
WITHDRAWN
IEC 61643-21:2000/COR1:2001 ED1
WITHDRAWN
IEC 61643-21:2000/AMD1:2008 ED1
WITHDRAWN
IEC 61643-21:2000/AMD2:2012 ED1
PUBLISHED
IEC 61643-21:2025 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