CLC/TC 37A
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 44037 | LVS EN 61643-21:2002 /A2:2013 | 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/A2:2012) | Standarts spēkā |
| 43963 | EN 61643-11:2012 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods | Izstrādē |
| 43963 | LVS EN 61643-11:2013 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods (IEC 61643-11:2011, modified) | Standarts spēkā |
| 42584 | prEN 61643-2 | Surge protective devices connected to low-voltage power distribution systems - Part 2: Selection and application principles | Izstrādē |
| 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 |
| 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 |
Displaying 61-67 of 67 results.