Establishes switching requirements for earthing switches used to earth transmission lines. Applies to alternating current earthing switches, rated 52 kV at least, capable of switching induced currents. Coverage includes definitions, rated induced current, rated induced voltage, temperature rise tests, making and breaking tests, and normal and special service conditions. Also gives detailed diagrams.

NF EN 61129:1994 - Identical

BS EN 61129:1994 - Identical

NBN EN 61129:1995 - Identical

IEC 61129 Ed. 1.0 - Identical

I.S. EN 61129:1994 - Identical

UNE EN 61129:1996 - Identical

SS EN 61129:1994 - Identical

DIN EN 61129 (1995-02) - Identical