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回答三点:) E' }9 |! G( P0 K/ U: x
1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.
* N; L: M. Z4 A1 z, ?9 E4 \# v tcompliance 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.. Z7 j$ w9 o# n' k
或者( {: E+ K, ?3 N4 m
2) 通过test Bb of IEC 60068-2-2的测试。
4 Y3 G4 ?6 g1 \) A/ z# K3 C如果是可接触的外部面,则可以:* K4 {' A# f. Z) v2 C; g+ e
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.
a* ]% S, X5 b150<=300 , overvoltage category II, 0,6mm. |
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