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楼主 |
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 :
/ w" R6 z- | b8 ~) Q绝缘距离不能保证,PCB板上未标识FUSE信息
6 d6 J7 p5 x2 e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。5 a8 c, P- y( H% \' S
3 Q7 [( g4 `! x+ F/ t4 N# `% T. I6 c29.1 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
1 D3 k i2 Y1 `8 H& y- 2N, for bare conductors,
* f3 r' Y! x4 G' n! p-30N, for accessible surfaces." l5 x# w: q0 T1 u* ?
_4 ?8 S# Q, o, K! w. H, j8 |
请指正。谢谢。 |
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