Safety of transformers, reactors, power supply units and combinations thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers for general applications (IEC 96/507/CDV) (english version)
Edition 2021-06-01

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for medical IT systems for the supply of medical locations (IEC 96/508/CDV) (english version)
Edition 2021-06-01

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications (IEC 96/485/CDV) (english version)
Edition 2019-10-01

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors (IEC 96/530/CDV) (english version)
Edition 2022-03-01

Electrical insulation systems - Procedures for thermal evaluation - Part 41: Specific requirements for electrical insulation systems for use in dry-type high-voltage transformers with operating voltages of 1kV and above (IEC 112/450/CDV) (english version)
Edition 2019-09-01

Instrument transformers - Part 1: General requirements (IEC 38/702/CDV) (english version)
Edition 2022-06-15

Safety requirements of Instrument Transformers for High Voltage applications (IEC 38/786/CDV) (english version)
Edition 2024-03-15

Power transformers - Additional European requirements - Part 1-2: Common part - Assessment of energy performance (english version)
Edition 2020-07-15

Power transformers - Additional European requirements - Part 2-1 Medium power transformer (english version)
Edition 2019-11-15

Power transformers - Additional European requirements - Part 2-5: Medium power transformer - Single phase (english version)
Edition 2020-09-15