CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 56914 | CLC/prTS 50XXX | Low voltage surge protective devices: surge protective devices for specific application including d.c. - Part Y: Selection and application rules | Izstrādē |
| 56544 | FprEN 61643-22 | Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles | Izstrādē |
| 55338 | prEN 50539-21 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 21: Requirements and tests - Wind turbine applications | Izstrādē |
| 84871 | EN IEC 61643-41:2025/prA1 | Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC 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 |
| 46452 | EN 61643-11:2002/prA2 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Izstrādē |
| 83674 | prEN IEC 61643-31:2025/prAA | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Izstrādē |
| 52328 | prEN 50XXX | Low-voltage surge protective devices | Izstrādē |
| 63349 | FprEN 61643-31:2017/FprAA:2017 | Low-voltage surge protective devices - Part 31: Surge protective devices connected to the d.c. side of photovoltaic installations - Requirements and test methods | Izstrādē |
| 70411 | CLC/TS 51643-32:2020 | Low-voltage surge protective devices - Part 32: Surge protective devices connected to the DC side of photovoltaic installations - Selection and application principles | Izstrādē |
Displaying 61-70 of 80 results.