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回答三点:& K- _) d/ e, H
1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.
+ T2 H F8 \ g9 [5 G! U+ `compliance is checked by subjecting the insualtion to the following test (abrasion test by hardened steel pin), unless the thickness of supplementary insulation is at least 1 mm and that of reinforce insultioan is at lest 2mm.8 R! ]% I% @- A3 N! x; J! q+ q2 I
或者
* L, [/ M6 j+ I8 n9 H1 ~% {( H2) 通过test Bb of IEC 60068-2-2的测试。$ w6 y: U/ U9 b' X5 H3 h8 p3 F/ y
如果是可接触的外部面,则可以:
g' k* F' c& }& F6 _. L3) EN 60335-1:2002/A12:200629.3.Z1 If accessible reinforced insulation consitsts of a single layer, the thickness of this layer shall comply with Table Z1.
1 D6 V1 g+ G) [3 Z/ F' I; x$ w150<=300 , overvoltage category II, 0,6mm. |
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