Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and testing methods (IEC 37A/414/CDV:2024); German and English version prEN IEC 61643-21:2024

Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations

Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods (IEC 61643-41:2025, modified); German version EN IEC 61643-41:2025 + A11:2025

Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV) (IEC 61643-332:2024); German version EN IEC 61643-332:2024

Low-voltage surge protective components - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system - Requirements and test methods (IEC 37B/37B/247/CD:2024)

Medical electrical equipment - Dosimeters with ionization chambers and/or semiconductor detectors as used in X-ray diagnostic imaging (IEC 61674:2024); German version EN IEC 61674:2025

Radionuclide imaging devices - Characteristics and test conditions - Part 2: Gamma cameras for planar, wholebody, and SPECT imaging (IEC/CDV 61675-2:2024); German and English version prEN IEC 61675-2:2024

Photovoltaic systems - Power conditioners - Procedure for measuring efficiency

Photovoltaic system performance - Part 1: Monitoring

Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance