Registration number (WIID)Project No.TitleStatus
60190LVS EN 61643-351:2017Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)Standarts spēkā
63293LVS EN IEC 61643-331:2018Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)Atcelts
68390LVS EN IEC 61643-331:2020Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)Standarts spēkā
72019LVS EN IEC 61643-332:2024Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)Standarts spēkā
68047LVS EN IEC 61643-341:2020Components for low-voltage surge protection - Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)Standarts spēkā
62342LVS EN IEC 61643-352:2018Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)Standarts spēkā
47113prEN 61647-2Components for low-voltage surge protection devices - Part 2: Specifications for Avalanche Breakdown Diode (ABD)Izstrādē
68389prEN IEC 61643-321Components for low-voltage surge protective devices - Part 321: Performance requirements and test circuits for silicon PN-junction voltage limitersIzstrādē
69041prEN IEC 61643-322:2019Components for low-voltage surge protection - Part 322: Selection and application principles for silicon pn-junction voltage limitersAptauja slēgta
Displaying 21-29 of 29 results.