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jsspace 发表于 2013-8-13 14:12
( d4 U( d# u/ j" k* B1 Y# ^% r3 }那么请告之是如何符合11章节的要求?? ! K7 b8 J$ n3 a: \
这样说吧
. u6 Y) f! P, ^# y! H带电部件到可触及的外壳需要满足加强/双重绝缘
H# l1 \1 Z+ F) wDistances through slots or openings in external parts of insulating material are measured with
! X# [) ^! H) p; G3 n( X Pmetal foil in contact with the accessible surface. The foil is pushed into corners and similar
8 _2 m1 |, Q& w6 [3 \; wplaces by means of the standard test finger specified in IEC 60529, but it is not pressed into
- k9 c, H" ~' O7 y8 z: Hopenings. |
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