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 12: Power metering and monitoring devices (PMD)

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 12-2: Functional test procedure for PMD and EPMF - Equipment for testing, measuring or monitoring of protective measures - Part 12-2: Functional test procedure for PMD and EPMF

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 13: Hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems (IEC 61557-13:2023); German version EN IEC 61557-13:2024

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 14: Equipment for testing the safety of electrical equipment of machinery (IEC 61557-14:2023); German version EN IEC 61557-14:2024

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 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrical equipment (IEC 61557-16:2023); German version EN IEC 61557-16:2024

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 18: DC EV supply equipment monitoring device

Electrical safety in low voltage distribution systems up to 1.000 V AC and 1.500 V DC - Equipment for testing, monitoring or measuring the protective measures in energy distribution system - Part 19: Monitoring device for earthing impedance in IT-systems

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

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

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 61558-2-3:2023 + COR1:2023); German version EN IEC 61558-2-3:2025