IEC 61558-2-2:2022 PRV
Pre release version
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
Abstract
This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2022-07-29 to 2022-09-09. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.
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:
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.
Look inside
Additional information
| Publication type | International Standard |
|---|---|
| Publication date | 2022-07-29 |
| Edition | 3.0 |
| Available language(s) | English |
| TC/SC | TC 96 - Transformers, reactors, power supply units, and combinations thereofrss |
| ICS | 29.180 - Transformers. Reactors |
| Stability date | 2025 |
| Pages | 17 |
| File size | 639 KB |
The following test report forms are related:
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