CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 56855 | LVS FprEN 61643-11 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power distribution systems - Performance requirements and testing methods | Atcelts |
| 58228 | LVS EN 50539-11:2013 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 11: Requirements and tests for SPDs in photovoltaic applications | Atcelts |
| 57218 | EN 61643-11:2002 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | 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 |
| 48286 | EN 61643-11:2002/A11:2007 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Atcelts |
| 48601 | LVS CLC/TS 50544:2010 | Low voltage d.c. surge protective device for traction systems - Selection and application rules for surge arresters | Atcelts |
| 57846 | 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 |
| 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 |
| 82820 | prEN IEC 61643-31:2025 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Aptauja |
| 44037 | LVS EN 61643-21:2002 /A2:2013 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods (IEC 61643-21:2000/A2:2012) | Standarts spēkā |
Displaying 41-50 of 77 results.