Applicable to three-phase alternating-current switches, having making and breaking current ratings, for indoor and outdoor installations, for rated voltages 52 kV and above, and for rated frequencies up to and including 60 Hz. Applicable to the operating
SANS 60265-2:1988 history
1992SANS 60265-2:1988 High-voltage switches Part 2: High-voltage switches for rated voltages of 52 kV and above