CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 42274 | LVS EN 61643-21:2002 /A1:2009 | 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/A1:2008, modified) | 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 |
| 78483 | EN IEC 61643-01:2025/A11:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | 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 |
| 70095 | EN IEC 61643-01:2025 | Low-voltage surge protective devices - Part 01: General Requirements and test methods | Standarts spēkā |
| 61652 | EN 61643-11:2012/A11:2018 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test 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 |
| 51669 | LVS CLC/TS 50539-22:2010 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 22: Selection and application principles - Wind turbine applications | 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 |
Displaying 11-20 of 71 results.