International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 37B

Specific components for surge arresters and surge protective devices

 
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SC 37B Working Documents since 2014-06-30

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37B/136/CD

IEC 61643-352/Ed1: Low-voltage surge protective component - Part 352: Lightning isolation transformers connected to telecommunications and signalling networks-Selection and application principles
2015-06-192015-09-25?
TC 64
TC 81
37B/135/CDV

IEC 61643-351/Ed1: Components for low-voltage surge protection - Part 351: Performance requirements and test methods for telecommunications and signalling network lightning isolation transformers (LIT)
2015-03-272015-07-03yes
37B/134/RQ

Result of 37B/126A/Q: Questionnaire on Questionnaire to approve changes in committee scope, committee title, publications title and 37B portion of SBP (Plenary agenda meeting items 12, 13.1, 13.2 and 13.3)
2014-07-18