CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 44037 | EN 61643-21:2001/A2:2013 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Standarts spēkā |
| 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 |
| 49355 | LVS CLC/TS 61643-22:2016 | Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles | Standarts spēkā |
| 78483 | EN IEC 61643-01:2025/A11:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | 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 |
| 82820 | prEN IEC 61643-31:2025 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Aptauja slēgta |
| 56855 | FprEN 61643-11 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power distribution systems - Performance requirements and testing methods | Atcelts |
| 58228 | LVS EN 50539-11:2013 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 11: Requirements and tests for SPDs in photovoltaic applications | Atcelts |
| 56855 | LVS FprEN 61643-11 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power distribution systems - Performance requirements and testing methods | Atcelts |
| 54424 | LVS CLC/TS 61643-12:2006 | Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles | Atcelts |
Displaying 21-30 of 80 results.