Safety of transformers, reactors, power supply units and combinations thereof - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications (IEC 61558-2-1:2021); German version EN IEC 61558-2-1:2025
Edition 2025-08

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications (IEC 96/482/CDV:2019); German and English version prEN IEC 61558-2-1:2019
Edition 2020-05

Safety of power transformers, power supplies, reactors and similar products - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications (IEC 61558-2-1:2007); German version EN 61558-2-1:2007
Edition 2007-11

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 (IEC 61558-2-2:2022); German version EN IEC 61558-2-2:2025
Edition 2025-09

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 (IEC 96/522/CDV:2021); German and English version prEN IEC 61558-2-2:2021
Edition 2022-08

Safety of power transformers, power supplies, reactors and similar products - Part 2-2: Particular requirements and tests for control transformers and power supplies incorporating control transformers (IEC 61558-2-2:2007); German version EN 61558-2-2:2007
Edition 2007-11

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners (IEC 96/538/CDV:2022); German and English version prEN IEC 61558-2-3:2022
Edition 2023-09

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners (IEC 61558-2-3:2010); German version EN 61558-2-3:2010
Edition 2011-03

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications (IEC 61558-2-4:2021); German version EN IEC 61558-2-4:2025
Edition 2025-08

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications (IEC 96/483/CDV:2019); German and English version prEN IEC 61558-2-4:2019
Edition 2020-06