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本帖最后由 大侠风清扬 于 2018-8-14 17:55 编辑 1 f y3 \" s& k4 b9 |/ A" m5 _
4 @% l# K5 j) E: g2 `0 R分类等级在IEC60252-1 A1:2013版中修改了,S0对应原来的P0,S2对应原来的P2。) P- u! A6 C. }# a0 ?9 ? l+ g
S3是指电容是segmented film construction的。具体定义如下:
5 f' j7 {! Q, w* Q/ x# Psegmented film capacitor2 p r% a" m0 ]1 _( E
a metallised capacitor with a repeating pattern on the metallic deposit on at least one layer,
/ o; J5 j& W6 T Z' y" o5 ?designed to isolate sections of the capacitor in the event of localised faults occurring in the! s5 D6 j- J0 D& ^
dielectric这个等级是防火和防触电的,不是防爆的。
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