CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 83142 | EN IEC 61643-41:2025/prAB | Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems – Requirements and test methods | Izstrādē |
| 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 |
| 70095 | EN IEC 61643-01:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | Izstrādē |
| 83140 | EN IEC 61643-11:2025/prAB | Low-voltage surge protective devices – Part 11: Surge protective devices connected to AC low-voltage power systems – Requirements and test methods | Izstrādē |
| 83141 | EN IEC 61643-21:2026/prAA | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods | 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 |
| 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 |
Displaying 71-78 of 78 results.