CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 67549 | FprCLC/TS 61643-32:2018 | Low-voltage surge protective devices - Part 32: Surge protective devices connected to the d.c. side of photovoltaic installations - Selection and application principles | Izstrādē |
| 62436 | FprEN 61643-32:2016 | Low-voltage surge protective devices - Part 32: Surge protective devices for specific use including d.c. - Selection and application principles for SPDs connected to photovoltaic installations | Izstrādē |
| 42584 | prEN 61643-2 | Surge protective devices connected to low-voltage power distribution systems - Part 2: Selection and application principles | Izstrādē |
| 78238 | 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 | Izstrādē |
| 55374 | EN 61643-11:2002/A1 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Izstrādē |
| 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 | Izstrādē |
| 43963 | EN 61643-11:2012 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods | Izstrādē |
| 58133 | CLC/prTS 61643-12 | Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles | Izstrādē |
| 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 |
| 56855 | 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 |
Displaying 21-30 of 71 results.