标题: Class III产品要做球压吗? [打印本页] 作者: 五星四射 时间: 2013-4-23 17:00 标题: Class III产品要做球压吗? 为什么在标准中提到 固定安全特低电压就位的部件 要做球压测试呢,而且还是125度& M, F" ]( b2 H, T- H3 V, @" ?) A 作者: jsspace 时间: 2013-4-23 17:15
需要做球压,至于为什么,我不得而知。5 Y& d; [, M* g H$ w 作者: Nezof 时间: 2013-4-23 19:44
看看哪儿固定件是不是能可靠的固定特定安全电压部件,一面特定安全电压部件变的不是selv部件作者: stey 时间: 2013-4-23 21:42 本帖最后由 stey 于 2013-4-23 21:44 编辑 2 Q7 w1 `4 v5 d( D
0 U& `" x, |0 Q% ^! z8 o13.2.1 Compliance is checked by the following test:8 |0 \* c- X8 O, P1 K
The test is not made on parts of ceramic material or on insulation of wiring.7 m/ X) U$ n) N0 z* H' s
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the * K, [1 k6 a7 d5 U4 P" i4 j s) y# `8 poperating temperature of the relevant part determined during the temperature test (normal [" e& l6 L! j% ~
operation) of Section 12, with a minimum temperature of 125 °C when parts retaining currentcarrying/ N0 ?% h4 A. |' l2 s, g5 P& D
parts or SELV parts in position are tested, and 75 °C for other parts. 5 b2 G3 S* |- J 1 O' l, ?* |4 }载流部件又没有说一定是高压的,也可以是SELV,低压大电流由于过热照样会引起火灾,所以球压是需要考虑。。。