CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 78483 | LVS EN IEC 61643-01:2025/A11:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | Standarts spēkā |
| 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 |
| 78238 | 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 |
| 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 | |
| 76277 | EN 61643-31:2019/AC:2022-07 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Standarts spēkā |
| 76277 | LVS EN 61643-31:2019/AC:2022 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | 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 | |
| 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 |
| 74389 | 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 | Izstrādē |
| 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 |
Displaying 11-20 of 77 results.