标准摘要
[中文适用范围]： 适用于三相交流开关，具有接通和分断电流额定值，适用于室内和室外安装，额定电压52kV及以上，额定频率至60Hz（含）。 [外文原描述]： 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.
英文名称Corrigendum 1 - High-voltage switches. Part 2: High-voltage switches for rated voltages of 52 kV and above