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回答三点:# _: t, m$ R* y' i, g
1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.7 f, r) I4 d# |! ~: R8 s( E# J- O
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.
, D% H, p: @1 A( t" r% ?或者- f6 I$ A: r# ~
2) 通过test Bb of IEC 60068-2-2的测试。
) M5 d& E. ]* t如果是可接触的外部面,则可以:& H6 N3 Z+ e. B$ w* F5 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 Z1.4 T3 o% Q t5 X1 J
150<=300 , overvoltage category II, 0,6mm. |
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