IEC 61558-2-10:20 24 EXV包含国际标准及其扩展版本(EXV)。IEC官方标准的扩展版本仅提供英文版本，为用户提供了标准的全面内容。IEC 61558-2-10:20 24 EXV包括参考IEC 61558-1:20 17的内容。 IEC 61558-2-10:20 24涉及分离高绝缘等级变压器和分离输出电压超过1 000 V的变压器的安全性。本文件也涵盖了包含电子电路的变压器。这第二版取消并取代了2014年出版的第一版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更:a)根据IEC 61558-1:20 17调整结构和参考文献； b)包括用于间隙和介电强度测试的I、II、III和IV类过电压； c)删除了均匀现场条件下的间隙。 根据IEC指南104，它具有团体安全出版物的地位。

IEC 61558-2-10:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61558-2-10:2024 EXV includes the content of the references made to IEC 61558-1:2017.

IEC 61558-2-10:2024 deals with the safety of separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V. Transformers incorporating electronic circuits are also covered by this document. This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) adjustment of structure and references in accordance with IEC 61558-1:2017;
b) overvoltage categories I, II, III and IV for clearances and dielectric strength tests are included;
c) clearances for homogenous field conditions deleted.
It has the status of a group safety publication in accordance with IEC Guide 104.