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发表于 2014-11-11 18:51
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jiayou 发表于 2014-11-1 14:04 
' X }: z0 \0 @EN 60335-1 clause 29.1 or 29.2, 你们这个产品做class I 还是做class II 的?看这个构造潜在的电击隐患蛮多 ...
8 ~6 O! @" _, `) i! }* [8 m7 W7 B多谢指教;& k' b- Z8 _6 {7 I2 i
但有点疑问,如果按29.1和29.2判断, 60335标准里只是要求对裸露的导线施加2N的力来确定会不会减小电气间隙和爬电距离。好像并没要求对带绝缘的线施加2N的力。7 k5 K& K' J3 b9 E! J
A force is applied to bare conductors, other than those of heating elements, and accessible
4 ?0 |1 e$ ~7 ?7 M! A' Qsurfacesto try to reduce clearances when making the measurement. The force is
: Y7 ]$ a$ G, S3 Z3 m% g– 2 N, for bare conductors; % i0 J7 s t& b# C3 o* G E
– 30 N, for accessible surfaces. |
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