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IEC 61558-2-2:2022 (EN-FR)

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

Standard Details

IEC 61558-2-2:2022 deals with the safety of control transformers and power supply units incorporating control transformers. Transformers incorporating electronic circuits are also covered by this document. This third edition cancels and replaces the second edition published in 2007. 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;
- new general symbol for control transformers;
- 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.

General Information

Status : ACTIVE
Standard Type: Main
Document No: IEC 61558-2-2:2022 (EN-FR)
Document Year: 2022
Pages: 34
Edition: 3.0
  • Section Volume:
  • TC 96 Transformers, reactors, power supply units, and combinations thereof
  • ICS:
  • 29.180 Transformers. Reactors

Life Cycle

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IEC 61558-2-2:2022 (EN-FR)
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