Low-voltage surge protective devices - Part 01: General Requirements and test methods (IEC 37A/401/CDV:2023); German and English version prEN IEC 61643-01:2023

Low-voltage surge protective devices - Part 01: General Requirements and test methods

Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods (IEC 61643-11:2025, modified); German version EN IEC 61643-11:2025 + A11:2025

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 37A/402/CDV:2023); German and English version prEN IEC 61643-41:2023

Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods; German and English version prEN IEC 61643-41:2023/prAA:2023

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