Fuel cell technologies - Part 3-400: Stationary fuel cell power systems - Small stationary fuel cell power system with combined heat and power output (IEC 105/541/CDV:2015); German version FprEN 62282-3-400:2015

Universal Serial Bus interfaces for data and power - Part 1-1: Universal Serial Bus interfaces - Common components - USB Battery Charging Specification, Revision 1.2 (TA 14) (IEC 62680-1-1:2015); English version EN 62680-1-1:2015

Universal Serial Bus interfaces for data and power - Part 2-1: Universal Serial Bus Specification, Revision 2.0 (IEC 100/2331/CDV:2014); English version FprEN 62680-2-1:2014

Universal Serial Bus interfaces for data and power - Part 2-2: Universal Serial Bus - Micro-USB Cables and Connectors Specification, Revision 1.01 (IEC 100/2332/CDV:2014); English version FprEN 62680-2-2:2014

Universal Serial Bus interfaces for data and power - Part 2-3: Universal Serial Bus Cables and Connectors Class Document, Revision 2.0 (IEC 100/2333/CDV:2014); English version FprEN 62680-2-3:2014

CONNECTORS FOR ELECTRICAL AND ELECTRONIC EQUIPMENT - PRODUCT REQUIREMENTS - Circular connectors - Detail specification for shielded and unshielded, free and fixed connectors with bayonet-locking size B12, B17, B23 and B40, for power, signal and data transmission

Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies; German and English version EN IEC 61439-2:2021/prAA:2023

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks (IEC 61439-5:2023); German version EN IEC 61439-5:2023

Application integration at electric utilities - System interfaces for distribution management - Part 5: Distributed energy optimization (IEC 57/2091/FDIS:2019); English version FprEN IEC 61968-5:2019

Safety of power converters for use in photovoltaic power systems - Part 1: General requirements