Applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches including switch-disconnectors and current-limiting fuses designed so as to be capable of breaking, at the rated recovery voltage, any current up to and including the rated short-circuit breaking current, making, at the rated voltage, circuits to which the rated short-circuit breaking current applies. It applies to combinations designed with rated voltages above 1 kV up to and including 52 kV for use on three-phase alternating current systems of either 50 Hz or 60 Hz.
SANS 62271-105-2003由ZA-SANS 发布于 2003-07-25,并于 2003-07-25 实施。
SANS 62271-105-2003 在中国标准分类中归属于: K43 高压开关设备,在国际标准分类中归属于: 29.130.10 高压开关装置和控制器。
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