CLC/SR 37B
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 68389 | prEN IEC 61643-321 | Components for low-voltage surge protective devices - Part 321: Performance requirements and test circuits for silicon PN-junction voltage limiters | 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 |
| 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 |
| 47849 | FprEN 61643-312 | Components for low-voltage surge protective devices - Part 312: Preferred values and characteristics for gas discharge tubes | Izstrādē |
| 47113 | prEN 61647-2 | Components for low-voltage surge protection devices - Part 2: Specifications for Avalanche Breakdown Diode (ABD) | Izstrādē |
| 49110 | LVS EN 61643-341:2002 | Components for low-voltage surge protective devices - Part 341: Specifications for thyristor surge surpressors (TSS) | Atcelts |
| 45688 | LVS EN 61643-331:2003 | Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors | Atcelts |
Displaying 1-10 of 29 results.