Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines

Electricity metering equipment - Dependability - Part 31-1: Accelerated reliability testing - Elevated temperature and humidity

Medical electrical equipment - Part 2-31: Particular requirements for the basic safety and essential performance of external cardiac pacemakers with internal power source

Railway applications - Braking - Distributor valves and distributor-isolating devices

Electric vehicles conductive charging system - Part 3-4: DC EV supply equipment where protection relies on double or reinforced insulation - General definitions and requirements for CANopen communication (IEC/TS 61851-3-4:2023); German version CLC IEC/TS 61851-3-4:2023

Electric vehicles conductive charging system - Part 3-5: DC EV supply equipment where protection relies on double or reinforced insulation - Pre-defined communication parameters and general application objects (IEC/TS 61851-3-5:2023); German version CLC IEC/TS 61851-3-5:2023

Electric vehicles conductive charging system - Part 3-6: DC EV supply equipment where protection relies on double or reinforced insulation - Voltage converter unit communication (IEC/TS 61851-3-6:2023); German version CLC IEC/TS 61851-3-6:2023

Electric vehicles conductive charging system - Part 3-7: DC EV supply equipment where protection relies on double or reinforced insulation - Battery system communication (IEC/TS 61851-3-7:2023); German version CLC IEC/TS 61851-3-7:2023

Industrial valves - Requirements and testing for metallic valves as pressure accessories

Explosive atmospheres - Part 34: Application of quality management systems for Ex Product manufacture (ISO/IEC 80079-34:2018)