CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 53026 | LVS CLC/TS 50539-12:2014 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 12: Selection and application principles - SPDs connected to photovoltaic installations | Atcelts |
| 57846 | LVS CLC/TS 50539-12:2010 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. -- Part 12: Selection and application principles - SPDs connected to photovoltaic installations | Atcelts |
| 49316 | LVS CLC/TR 50656:2016 | SPD application in conjunction with Class II equipment | Standarts spēkā |
| 74730 | FprEN IEC 61643-21:2025 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods | Izstrādē |
| 62436 | FprEN 61643-32:2016 | Low-voltage surge protective devices - Part 32: Surge protective devices for specific use including d.c. - Selection and application principles for SPDs connected to photovoltaic installations | Izstrādē |
| 63349 | FprEN 61643-31:2017/FprAA:2017 | Low-voltage surge protective devices - Part 31: Surge protective devices connected to the d.c. side of photovoltaic installations - Requirements and test methods | Izstrādē |
| 56544 | FprEN 61643-22 | Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles | Izstrādē |
| 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 |
| 67549 | FprCLC/TS 61643-32:2018 | Low-voltage surge protective devices - Part 32: Surge protective devices connected to the d.c. side of photovoltaic installations - Selection and application principles | Izstrādē |
| 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 |
Displaying 31-40 of 71 results.