CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 55435 | CLC/TS 61643-12:2009 | Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles | Izstrādē |
| 74730 | FprEN IEC 61643-21:2025 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods | Izstrādē |
| 49316 | CLC/TR 50656:2016 | SPD application in conjunction with Class II equipment | Izstrādē |
| 44037 | EN 61643-21:2001/A2:2013 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Izstrādē |
| 76277 | EN 61643-31:2019/AC:2022-07 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Izstrādē |
| 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 |
| 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 |
| 51669 | CLC/TS 50539-22:2010 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 22: Selection and application principles - Wind turbine applications | Izstrādē |
| 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 |
Displaying 21-30 of 67 results.