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IEC 61558-2-13 Ed. 3.0 en:2022 EXV

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-13: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications

IEC 61558-2-13:2022 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 61558-2-13:2022 EXV includes the content of the references made to IEC 61558-1:2017.
 
 IEC 61558-2-13:2022 deals with the safety of auto-transformers for general applications and power supply units incorporating auto-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. This edition includes the following significant technical changes with respect to the previous edition:
 - adjustment of structure and references in accordance with IEC 61558-1:2017;
 - description of constructions moved to 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.


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International Electrotechnical Commission [iec]


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