CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 42274 | EN 61643-21:2001/A1:2009 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Izstrādē |
| 52328 | prEN 50XXX | Low-voltage surge protective devices | 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 |
| 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 |
| 46452 | EN 61643-11:2002/prA2 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Izstrādē |
| 49316 | CLC/TR 50656:2016 | SPD application in conjunction with Class II equipment | Izstrādē |
| 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 | Izstrādē |
| 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 |
| 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 |
| 47416 | EN 61643-21:2001 | Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods | Izstrādē |
Displaying 61-70 of 71 results.