DIN EN 61466-1:2017 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V - Part 1: Standard strength classes and end fittings (IEC 61466-1:2016); German version EN 61466-1:2016
DIN EN 61109:2009 Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1000 V - Definitions, test methods and acceptance criteria (IEC 61109:2008); German version EN 61109:2008
DIN IEC 60120:1987 Dimensions of ball and socket couplings of string insulator units; identical with IEC 60120, edition 1984
DIN EN 61466-1:2017 history
2017DIN EN 61466-1:2017 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V - Part 1: Standard strength classes and end fittings (IEC 61466-1:2016); German version EN 61466-1:2016
1997DIN EN 61466-1:1997 Composite string insulator units for overhead lines with a nominal voltage greater than 1 kV - Part 1: Standard strength classes and end fittings (IEC 61466-1:1997); German version EN 61466-1:1997