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本帖最后由 lucky 于 2012-11-23 18:24 编辑
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贴金属箔是漏电流的要求吧？
/ ]' O$ g) h' f8 A% }& K32.4 If a conductive surface other than metal is used for the enclosure or part of the enclosure, the leakage current is to be measured using a metal foil with an area of 10 by 20 cm in contact with surface.
1 u3 e! Q5 h; yWhere the surface is less than 10 by 20 cm, the metal foil is to be the same size as the surface. The metal foil is not to remain in place long enough to affect the temperature of the product.
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很奇怪，非金属要打高压吗？
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37.1 An appliance shall withstand for 1 minute without breakdown the application of a 60-hertz essentially sinusoidal potential of the value indicated in 37.2 between the following:
0 A2 r$ q6 _( k" Y7 W$ t* za) Uninsulated live metal parts and the enclosure. A non-conductive enclosure is to be wrapped in conductive foil.
9 b; g2 F% z b+ S0 R2 bb) Terminals of opposite polarity.
" ?. s4 D8 X( T+ u5 ]( ec) Uninsulated live metal parts and accessible dead metal parts.
$ e8 C: Q) f, p7 sd) Uninsulated live metal parts and grounding contacts of grounding type receptacles.
* K) n7 w' B. Se) Primary and isolated secondary circuits.( |7 U2 }; u! P% [
' E! O+ T9 o, ~: o9 {0 A! r0 F( z是否是欧规的标准要求？
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发表于 2012-11-13 15:51
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