1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) IEC 61643-21 2014 21 , (IEC 61643-21:2009, IDT) IEC 61643-212014 II , 1.092 . 1.22009 . , . , , , 1 - ( ), - ( ) 2 3 , ( 30 2014 . 70-) : ( 3166) 00497 ( 3166) 0497 AM BY KG MD RU - 4 25 2014 . 1744- IEC 61643-212014 1 2
2、015 . 5 IEC 61643-21:2012 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods ( . 21. , . ). (en). . (IDT) 6 , . () . , , 2015 , IEC 61643-212014 III 1 .1 2 . 11 3 . 12 4 14 5
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4、ecommunications and signalling networks. Performance requirements and testing methods 20151001 1 1.1 . 1000 1500 . 1.2 , , 1. , . 1 1b IEC 61643-212014 2 1 1d 1 ) 1f V , ; V, I ; 1, 2 n ; Y1, Y2 Yn ; . 1 1.3 . . , 1, . IEC 61643-212014 35.1, 5.2.1 5.3 (. 1). , 1b, 1d, 1e 1f, . 5.2.2. , . , 1b, 1d, 1
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6、.4.2 IEC 61643-212014 6 1 -4) , -, () 6.3.2 6.3.3 -6.3.4 6.3.5 6.4 1 6.4.1 IEC 61643-212014 7 1 -4) , -, 6.4.2 1 6.4.3 6.2.1 (Uc) 6.2.1.1 2 6.2.1.2 IEC 61643-212014 8 1 -4) , -, -1)6.2.1.6 2)6.2.1.3 -6.2.1.4 -1)6.2.1.5 2 -6.2.1.8 IEC 61643-212014 9 1 -4) , -, 2 6.2.1.7 -6.2.2 6.2.2.1 5)5)-6.2.2.2 -6.2.2.3 3) 3) 6.2.2.4 3) 3) 6.2.2.5 3) 3) 3
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