IEC 62271-108:2020适用于在电压高于52 kV的系统上以50 Hz和60 Hz频率运行的高压交流隔离断路器。 第二版取消并取代了2005年出版的第一版。与上一版相比，此版本包含以下重大技术变更: -根据IEC 62271-1:20 17对文件进行了重组。 -本文件已适应IEC 62271-100中引入的一些变化:-[1]。 -该文件已适应IEC 62271-102:2018中引入的一些变更。 -参考文献已经过审查和更新。 -一些定义已被审查并适应最新的IEV版本。 -取消了额定静态终端负载和静态终端负载测试，并纳入了静态机械负载的设计要求。-包括辅助和控制电路的附加型式试验。 -包括真空断路器的X射线测试程序。 -包括用于测试互锁装置的型式试验和用于测试临时机械锁定装置的型式试验。 -E2级断路断路器的接通和断开试验的特殊要求已被删除。 [1]正在准备中。发表时的阶段:IEC CDV 62271-100:2020。

IEC 62271-108:2020 applies to high-voltage alternating current disconnecting circuit-breakers for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 52 kV.
This second edition cancels and replaces the first edition published in 2005. This edition contains the following significant technical changes with respect to the previous edition:
- The document has been restructured according to IEC 62271-1:2017.
- The document has been adapted to some of the changes introduced in IEC 62271-100:–[1].
- The document has been adapted to some of the changes introduced in IEC 62271-102:2018.
- References have been reviewed and updated.
- Some definitions have been reviewed and adapted to the latest IEV editions.
- Rated static terminal load and static terminal load test have been removed and a design requirement for static mechanical loads has been included.
- Additional type tests for auxiliary and control circuits have been included.
- X-radiation test procedure for vacuum interrupters has been included.
- Type test for testing of interlocking device and type test for testing of temporary mechanical locking devices have been included.
- Special requirements for making and breaking tests on class E2 disconnecting circuit-breakers have been removed.
[1] Under preparation. Stage at the time of publication: IEC CDV 62271-100:2020.