CLC/SR 37B
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 45688 | LVS EN 61643-331:2003 | Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors | Atcelts |
| 46514 | LVS EN 61643-321:2002 | Components for low-voltage surge protection devices - Part 2: Specifications for avalanche breakdown diode (ABD) | Standarts spēkā |
| 43208 | LVS EN 61643-312:2013 | Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes (IEC 61643-312:2013 + corrigendum Jul. 2013) | Standarts spēkā |
| 47282 | LVS EN 61643-311:2013 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods (IEC 61643-311:2013) | Standarts spēkā |
| 53188 | LVS EN 61643-311:2002 | Components for low-voltage surge protective devices - Part 311: Specifications for gas discharge tubes | Atcelts |
| 47849 | FprEN 61643-312 | Components for low-voltage surge protective devices - Part 312: Preferred values and characteristics for gas discharge tubes | Izstrādē |
| 79126 | EN IEC 61643-361:2026 | Low-voltage surge protective devices - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system - Requirements and test methods | Izstrādē |
| 62342 | EN IEC 61643-352:2018 | Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) | Izstrādē |
| 68047 | EN IEC 61643-341:2020 | Components for low-voltage surge protection - Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS) | Izstrādē |
| 72019 | EN IEC 61643-332:2024 | Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV) | Standarts spēkā |
Displaying 11-20 of 29 results.