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本帖最后由 大侠风清扬 于 2018-8-14 17:55 编辑
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0 k3 z# x% L9 S3 G2 e6 L$ P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。
u- h: m5 `- @( F5 i$ nS3是指电容是segmented film construction的。具体定义如下:9 t" d, {% w6 i7 y, R$ l# m
segmented film capacitor7 Z; Z& q* l9 a/ o$ a
a metallised capacitor with a repeating pattern on the metallic deposit on at least one layer,
, k1 `) w9 [7 O* h/ a7 `designed to isolate sections of the capacitor in the event of localised faults occurring in the, P }8 j7 P6 i9 N; a7 U
dielectric这个等级是防火和防触电的,不是防爆的。/ j+ v1 G, g! C/ J, u0 l- ?: S
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