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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 :
' m( i$ T" D' W5 n& n绝缘距离不能保证,PCB板上未标识FUSE信息
. z8 i9 O9 y& I) 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。- V, v! A0 O7 y- A. f% M7 K9 }
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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
3 |& r0 E; K8 r1 i% z- 2N, for bare conductors,& W) ?3 i8 l% O0 Q% O- }
-30N, for accessible surfaces.
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* K( z1 Y$ d8 d( b: I请指正。谢谢。 |
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