IEC 61558-2-6:20 21 RLV包含官方IEC国际标准及其红线版本。Redline版本仅提供英文版本，为您提供了一种快速简单的方法来比较IEC官方标准与其以前版本之间的所有变化。 IEC 61558-2-6:20 21涉及一般应用的安全隔离变压器和包含一般应用的安全隔离变压器的电源单元的安全性。包含电子电路的变压器也包括在本文件中。这第三版取消并取代了2009年出版的第二版。本版构成技术修订版。 -根据IEC 61558-1:20 17调整结构和参考文献； -IEC 61558中移动的结构描述-1:2017; -输出电压线性调节的电源单元的新符号。 根据IEC指南104，它具有团体安全出版物的地位。 本国际标准将与IEC 61558-1:20 17结合使用。

IEC 61558-2-6:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 61558-2-6:2021 deals with the safety of safety isolating transformers for general applications and power supply units incorporating safety isolating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document. This third edition cancels and replaces the second edition published in 2009. This edition constitutes a technical revision.
- adjustment of structure and references in accordance with IEC 61558-1:2017;
- description of constructions moved in IEC 61558-1:2017;
- new symbol for power supply unit with linearly regulated output voltage.
It has the status of a group safety publication in accordance with IEC Guide 104.
This International Standard is to be used in conjunction with IEC 61558-1:2017.