CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 57846 | LVS CLC/TS 50539-12:2010 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. -- Part 12: Selection and application principles - SPDs connected to photovoltaic installations | Atcelts |
| 53026 | LVS CLC/TS 50539-12:2014 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 12: Selection and application principles - SPDs connected to photovoltaic installations | Atcelts |
| 47416 | LVS EN 61643-21:2002 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Atcelts |
| 43963 | LVS EN 61643-11:2013 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods (IEC 61643-11:2011, modified) | Atcelts |
| 82820 | prEN IEC 61643-31:2025 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Aptauja slēgta |
| 78484 | EN IEC 61643-11:2025/A11:2025 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 78238 | LVS EN IEC 61643-11:2025 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 47416 | EN 61643-21:2001 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Standarts spēkā |
| 61652 | EN 61643-11:2012/A11:2018 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 74730 | EN IEC 61643-21:2026 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods | Standarts spēkā |
Displaying 51-60 of 80 results.