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 |
| 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 |
| 48601 | CLC/TS 50544:2010 | Low voltage d.c. surge protective device for traction systems - Selection and application rules for surge arresters | 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 |
| 57218 | LVS EN 61643-11:2002 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Atcelts |
| 58228 | EN 50539-11:2013 | 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 |
| 48601 | LVS CLC/TS 50544:2010 | Low voltage d.c. surge protective device for traction systems - Selection and application rules for surge arresters | Atcelts |
| 57218 | EN 61643-11:2002 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | Atcelts |
| 48286 | EN 61643-11:2002/A11:2007 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests | 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 |
Displaying 21-30 of 71 results.