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回答三点:0 v3 f3 L, I* d M
1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.
+ n/ j0 ]& y1 O: r, y, b+ ?! acompliance 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 r9 w2 L: ^$ ~或者
( \! |5 s( y& ?2) 通过test Bb of IEC 60068-2-2的测试。
" h8 t4 G( K" b# {/ \/ u+ [& b, r/ E' R如果是可接触的外部面,则可以:
6 x9 R" }* [) u4 B0 a5 [3) 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. Z$ o& `0 \% p& | `; Y7 h
150<=300 , overvoltage category II, 0,6mm. |
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