CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 82820 | prEN IEC 61643-31:2025 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Aptauja |
| 82736 | CLC/prTS 51643-12 | Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles | Izstrādē |
| 78485 | EN IEC 61643-41:2025/A11:2025 | Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 78485 | LVS EN IEC 61643-41:2025/A11:2025 | Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 78484 | EN IEC 61643-11:2025/A11:2025 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 78484 | LVS EN IEC 61643-11:2025/A11:2025 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | |
| 78483 | EN IEC 61643-01:2025/A11:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | Standarts spēkā |
Displaying 1-10 of 77 results.