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

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

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:2019); German and English version prEN IEC 61558-2-16:2019

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-7: Portable low voltage decoupling filters - Safety requirements; German and English version prEN 50065-4-7:2021

Electromechanical contactors for household and similar purposes (IEC 121A/505/CDV:2022); German and English version prEN IEC 61095:2022

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits (IEC 66/766/CDV:2022); German and English version prEN IEC 61010-2-030:2022

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-034: Particular requirements for measurement equipment for insulation resistance and test equipment for electric strength (IEC 66/756/CDV:2022); German and English version prEN IEC 61010-2-034:2022

Low-voltage switchgear and controlgear - Part 7-5: Ancillary equipment - Terminal blocks for aluminium conductors (IEC 121A/418/DTS:2021, modified); Text in German and English