Explosion absorbing systems

Insulation co-ordination - Part 11: Definitions, principles and rules for HVDC system (IEC 60071-11:2022/COR1:2023); German version EN IEC 60071-11:2022/AC:2023-12

Explosive atmospheres - Part 25: Intrinsically safe electrical systems

Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-2: Optical-based internal arc-detection and mitigation devices (IEC 121A/338/CDV:2020); German and English version prEN IEC 60947-9-2:2020

Maritime navigation and radiocommunication equipment and systems - Global navigation satellite systems (GNSS) - Part 6: Indian Regional Navigation Satellite System (IRNSS) - Receiver equipment - Performance requirements, methods of testing and required test results (IEC 80/1004/CD:2021); Text in German and English

Maritime navigation and radiocommunication equipment and systems - Electronic chart display and information system (ECDIS) - Operational and performance requirements, methods of testing and required test results

Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems

Fibre optic communication subsystem test procedures - Part 2-13: Digital systems - Measurement of error vector magnitude (IEC 86C/1900/CDV:2024); German and English version prEN IEC 61280-2-13:2024

Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)