Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems (IEC 61557-15:2014); German version EN 61557-15:2014
Edition 2014-10

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c - Equipment for testing, measuring or monitoring of protective measures - Part 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrical equipment (IEC 85/831/CDV:2022); German and English version prEN IEC 61557-16:2022
Edition 2023-04

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrical equipment (IEC 61557-16:2014); German version EN 61557-16:2015
Edition 2015-12

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 17: Non-contact AC voltage indicators (IEC 61557-17:2021); German version EN IEC 61557-17:2021
Edition 2022-12

Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests (IEC 61558-1:2017); German version EN IEC 61558-1:2019
Edition 2019-12

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 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