Registration number (WIID)Project No.TitleStatus
48601CLC/TS 50544:2010Low voltage d.c. surge protective device for traction systems - Selection and application rules for surge arrestersAtcelts
57264EN 50539-11:2013/A1:2014Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 11: Requirements and tests for SPDs in photovoltaic applicationsAtcelts
82820prEN IEC 61643-31:2025Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installationsAptauja slēgta
78484EN IEC 61643-11:2025/A11:2025Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methodsStandarts spēkā
78485LVS EN IEC 61643-41:2025/A11:2025Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methodsStandarts spēkā
74730EN IEC 61643-21:2026Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methodsStandarts spēkā
47416EN 61643-21:2001Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methodsStandarts spēkā
78238LVS EN IEC 61643-11:2025Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methodsStandarts spēkā
78485EN IEC 61643-41:2025/A11:2025Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methodsStandarts spēkā
78484LVS EN IEC 61643-11:2025/A11:2025Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methodsStandarts spēkā
Displaying 51-60 of 78 results.