|
|
家电里面 en 60335-1 的30.2.3 有两次灼热丝测试,一次850的和一次750的,为什么要做两次呢?如果850的测试过了,再做750的不是有点多余么?
2 o3 `$ o* u( n* N: ~我是新手,一直没想明白这个问题,请高手指教。谢谢。5 j6 t" e- T2 u ]1 f5 U/ C, S
& L3 Y- W% R2 |- |) |30.2.3.1 Parts of non-metallic material supporting connections that carry a current
$ v3 E& h" d! ~- ~ l! Vexceeding 0,2 A during normal operation, and parts of non-metallic material within a0 a1 o2 @0 z+ w8 B
distance of 3 mm of such connections, are subjected to the glow-wire test of IEC 60695-2-11
9 F2 y' `3 G6 ywith a test severity of 850 °C.
' i: z4 {' U. ?, y+ q& _ Z1 k: p$ q% G/ u. T( K+ g
30.2.3.2 Parts of non-metallic material supporting current-carrying connections, and parts of: X! d M) h/ E! d6 @$ N
non-metallic material within a distance of 3 mm of such connections, are subjected to the
. S/ Q1 c( s: Xglow-wire test of IEC 60695-2-11. |
|