CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 55435 | CLC/TS 61643-12:2009 | Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles | Izstrādē |
| 55435 | LVS CLC/TS 61643-12:2010 | Low-voltage surge protective devices -- Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles (IEC 61643-12:2008, modified) | Standarts spēkā |
| 55374 | EN 61643-11:2002/A1 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Izstrādē |
| 55338 | prEN 50539-21 | Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 21: Requirements and tests - Wind turbine applications | Izstrādē |
| 55273 | LVS CLC/TS 61643-22:2006 | Low voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles | Atcelts |
| 55273 | CLC/TS 61643-22:2006 | Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles | 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 |
| 54424 | CLC/TS 61643-12:2006 | Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power systems - Selection and application principles | Atcelts |
| 53026 | CLC/TS 50539-12:2013 | 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 |
Displaying 41-50 of 73 results.