IEC 61643-21:2000/COR1:2001 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods
This standard is about Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods; Corrigendum 1
IEC 61643-21:2000/COR1:2001 history
2012IEC 61643-21:2000/AMD2:2012 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods; Amendment 2
2012IEC 61643-21:2012 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
2009IEC 61643-21:2009 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
2008IEC 61643-21:2000/AMD1:2008 Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
2001IEC 61643-21:2000/COR1:2001 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods
2000IEC 61643-21/COR1:2000 CORRIGENDUM 1 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods (Edition 1.0)
2000IEC 61643-21:2000 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods