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Components for low-voltage surge protective devices - Part 321- Specifications for avalanche breakdown diode (ABD). IEC 61643-321:2001. Original standard IEC 61643-321-2001 in PDF full version. Additional info + preview on request

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Components for low-voltage surge protection - Part 331- Performance requirements and test methods for metal oxide varistors (MOV). IEC 61643-331:2020-03(en-fr). Original standard IEC 61643-331-2020 in PDF full version. Additional info + preview on request

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Components for low-voltage surge protection - Part 332- Selection and application principles for metal oxide varistors (MOV). IEC 61643-332:2024-04(en-fr). Original standard IEC 61643-332-2024 in PDF full version. Additional info + preview on request

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Components for low-voltage surge protection - Part 341- Performance requirements and test circuits for thyristor surge suppressors (TSS). IEC 61643-341:2020-05(en-fr). Original standard IEC 61643-341-2020 in PDF full version. Additional info + preview on request

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Components for low-voltage surge protective devices - Part 351- Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT). IEC 61643-351:2016-10(en-fr). Original standard IEC 61643-351-2016 in PDF full version. Additional info + preview on request

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Components for low-voltage surge protection - Part 352- Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs). IEC 61643-352:2018-01(en-fr). Original standard IEC 61643-352-2018 in PDF full version. Additional info + preview on request

Document status: Active