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发表于 2011-9-21 13:48
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引用第5楼ican8848于2011-09-20 15:43发表的 :
2 y' V7 V! w5 u+ ?# E7 Y绝缘距离不能保证,PCB板上未标识FUSE信息
$ t) T" ~6 z/ N+ K6 }- R9 I% ?, ^* x请问5楼,你说的绝缘距离不能保证是用多大的力?是2N吗?如果2N,应该是可以保证的。
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29.1 A force is applied to bare conductionrs, other than those of heating elements, and accessible surfaces to try to reduce clearances when making the measurement. The force is ) ]+ Y2 \- s( F1 ]
- 2N, for bare conductors,/ M! r% U! @: F) p: `
-30N, for accessible surfaces.
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# }4 M5 X8 e/ U/ z请指正。谢谢。 |
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