CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 78239 | prEN IEC 61643-11:2023 {frag 2} | Voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Displaying 11-20 of 77 results.