该包包含IEC 61558-2-23:20 24 EXV和IEC 61558-2-23:20 24 RLV。 IEC 61558-2-23:20 24涉及建筑工地变压器和包含建筑工地变压器的电源装置的安全。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2010年出版的第二版。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)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。

This pack contains IEC 61558-2-23:2024 EXV and IEC 61558-2-23:2024 RLV.

IEC 61558-2-23:2024 deals with the safety of transformers for construction sites and power supply units incorporating transformers for construction sites. Transformers incorporating electronic circuits are also covered by this document. This third edition cancels and replaces the second edition published in 2010. 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) new symbol for power supply units with linearly regulated output voltage.
It has the status of a group safety publication in accordance with IEC Guide 104.