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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 :, E. |* C% E# U8 s6 }' a. v2 ~
绝缘距离不能保证,PCB板上未标识FUSE信息 9 \0 F3 T; `( e( }' D4 V; v
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 : ?" N" u5 m5 ^6 l
- 2N, for bare conductors,$ \8 Z h( k7 _8 S! {- d
-30N, for accessible surfaces.
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5 a8 A P0 S+ q0 D( b* O8 d请指正。谢谢。 |
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