标准摘要
[中文适用范围]： 适用于室内和室外安装的 52 kV ac 以上至 60 Hz 的开关和隔离开关，包括其操作装置和辅助设备。开关和隔离开关应能够接通和承载短路电流 [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. The contents of the corrigendum of February 1990 have been included in this copy.
英文名称High-voltage switches. Part 2: High-voltage switches for rated voltages of 52 kV and above