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回答三点:
$ K( i0 D0 q* v/ K7 ]) ?2 p1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.
7 z; S: ?4 T9 V% ?5 ncompliance 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 j6 Y2 p9 f3 N或者& x! s! E7 x$ r" u
2) 通过test Bb of IEC 60068-2-2的测试。' l S, j2 M- k$ ^* v1 F7 q
如果是可接触的外部面,则可以:
2 i5 w* ^: F. C% d4 x3) 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.- i9 F3 E/ U; q/ { r- J2 Q
150<=300 , overvoltage category II, 0,6mm. |
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