CLC/SR 37B
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 68390 | EN IEC 61643-331:2020 | Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) | Standarts spēkā |
| 63293 | EN IEC 61643-331:2018 | Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) | Atcelts |
| 60190 | EN 61643-351:2017 | Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) | Izstrādē |
| 49110 | EN 61643-341:2001 | Components for low-voltage surge protective devices - Part 341: Specification for thyristor surge suppressors (TSS) | Atcelts |
| 45688 | EN 61643-331:2003 | Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV) | Atcelts |
| 46514 | EN 61643-321:2002 | Components for low-voltage surge protective devices - Part 321: Specifications for Avalanche Breakdown Diode (ABD) | Standarts spēkā |
| 43208 | EN 61643-312:2013 | Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes | Standarts spēkā |
| 47282 | EN 61643-311:2013 | Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT) | Izstrādē |
| 53188 | EN 61643-311:2001 | Components for low-voltage surge protective devices - Part 311: Specification for gas discharge tubes (GDT) | Atcelts |
Displaying 21-29 of 29 results.