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SRPS EN IEC 61558-2-20:2025

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors

May 30, 2025

General information

60.60     May 30, 2025

ISS

N014

European Norm

29.180  

English  

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Scope

<!-- NEW! -->IEC 61558-2-20:2022 is available as <a href="https://webstore.iec.ch/publication/80775">IEC 61558-2-20:2022 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br>IEC 61558-2-20:2022 deals with the safety of small reactors for general applications. Small reactors 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:

- adjustment of structure and references in accordance with IEC 61558-1:2017.

- additional Annex AA with references for characteristic parameter measurements.

- additional Annex BB for associated reactors with frequencies above 500 Hz.

- additional Annex CC for partial discharge.

It has the status of a group safety publication in accordance with <a href="https://webstore.iec.ch/publication/65358">IEC Guide 104</a>.
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Related directives

NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.

2014/35/EU

Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits

Life cycle

PREVIOUSLY

PUBLISHED
SRPS EN 61558-2-20:2012

NOW

PUBLISHED
SRPS EN IEC 61558-2-20:2025
60.60 Standard published
May 30, 2025

Related project

Adopted from EN IEC 61558-2-20:2025

Adopted from IEC 61558-2-20:2022 ED3 IDENTICAL