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回答三点:1 F+ t. s1 }' d- _% b! C3 P' p$ M
1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.; e, M1 N) ^6 K
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.: m+ T) b/ z* t1 @, ~% m& o
或者6 Z5 R/ G8 l9 k3 k+ m
2) 通过test Bb of IEC 60068-2-2的测试。
$ j5 t/ o6 h4 g+ E9 A如果是可接触的外部面,则可以:. y4 `) U" Q. q4 g* ~7 \
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.( @ e p0 z' P4 k
150<=300 , overvoltage category II, 0,6mm. |
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