CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 78483 | EN IEC 61643-01:2025/A11:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | Standarts spēkā |
| 47416 | LVS EN 61643-21:2002 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Standarts spēkā |
| 62425 | EN 61643-31:2019 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Standarts spēkā |
| 49316 | LVS CLC/TR 50656:2016 | SPD application in conjunction with Class II equipment | Standarts spēkā |
| 44037 | LVS EN 61643-21:2002 /A2:2013 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods (IEC 61643-21:2000/A2:2012) | Standarts spēkā |
| 62425 | LVS EN 61643-31:2019 | Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations | Standarts spēkā |
| 70411 | LVS 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 | 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 |
| 74730 | prEN IEC 61643-21:2024 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and testing methods | Aptauja slēgta |
| 57264 | EN 50539-11:2013/A1:2014 | 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 |
Displaying 11-20 of 67 results.