CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 74389 | LVS EN IEC 61643-41:2025 | 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 |
| 74730 | EN IEC 61643-21:2026 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods | Standarts spēkā |
| 47416 | EN 61643-21:2001 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Standarts spēkā |
| 78238 | LVS EN IEC 61643-11:2025 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | Standarts spēkā |
| 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 |
| 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 | Standarts spēkā |
| 74730 | LVS EN IEC 61643-21:2026 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods | Standarts spēkā |
Displaying 71-78 of 78 results.