Applies to three-phase a.c. switches and switch-disconnectors having making and breaking current ratings, for indoor and outdoor installations, for rated voltages above 1 kV and less than 52 kV and for rated frequencies from 16 2/3 Hz up to and including 60 Hz. Is also applicable to the operating devices of these switches and to their auxiliary equipment. It is intended to be read in conjunction with AS/NZS 2650. This Standard is technically equivalent to and contains the full content of IEC 60265:1998 and its Corrigendum:2000.