|
|
回答三点:
1 w" T+ m& L" [. |$ M: [+ `1) EN 60335-1: 2002 cl 21.2 Accessible parts of solid insulation shall ahve sufficent strength to prevent penertaration by sharp implements.
% s/ ~; t% H5 h" [! e- B1 L. ?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.
# t2 E5 }! @5 |! r: J3 j或者" R1 }4 R# q/ u/ q& X) z M
2) 通过test Bb of IEC 60068-2-2的测试。8 k# d0 G6 ?. h; j4 i2 [0 b3 d( [( e" d3 @
如果是可接触的外部面,则可以:# `1 n( V. r$ @3 ~& d) @: |
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.- X* ~% a3 X4 {
150<=300 , overvoltage category II, 0,6mm. |
|