IEC 62271-100:2021适用于设计用于室内或室外安装以及在电压高于1 000 V的系统上以50 Hz和/或60 Hz频率运行的三相交流断路器。本文件仅包括制造-破坏试验的直接试验方法。合成试验方法参见IEC 62271-101。 本第三版取消并取代2008年出版的第二版、修正案1:20 12和修正案2:20 17。本版构成技术修订版。 与上一版相比的主要变化如下: -文件已更新为IEC 62271-1:20 17； -修正案1和2已包括在内； -定义已更新，未使用的术语已删除； -修改了第7.102至7.108款。

IEC 62271-100:2021 is applicable to three-phase AC circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and/or 60 Hz on systems having voltages above 1 000 V. This document includes only direct testing methods for making-breaking tests. For synthetic testing methods refer to IEC 62271-101.
This third edition cancels and replaces the second edition published in 2008, Amendment 1:2012 and Amendment 2:2017. This edition constitutes a technical revision.
The main changes with respect to the previous edition are listed below:
– the document has been updated to IEC 62271-1:2017;
– Amendments 1 and 2 have been included;
– the definitions have been updated, terms not used have been removed;
– Subclauses 7.102 through 7.108 have been restructured.