|
|
本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑 - Z* i- y( s6 J4 Q: u/ k }$ }3 Q7 A
8 v8 E2 S% g+ r# l7 _, B D2 O- G
60598-1 Clause 13.2.1 / z6 S+ c" w; `- W" j) ]
Compliance is checked by the following test:
' ?& k0 S- W o% lThe test is not made on parts of ceramic material or on insulation of wiring.+ M( q" m/ J9 m" j) b; ^
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
7 S# N* h6 A) A k! D- z @! t1 hoperating temperature of the relevant part determined during the temperature test (normal
2 i* G, A3 m, W# Y4 ~% k- ]' w3 aoperation) of Section 12, with a minimum temperature of 125 °C when parts retaining current carrying parts or SELV parts in position are tested, and 75 °C for other parts.! q% X& S/ E |6 ^8 x% ~4 A
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载流部件短路发生火灾(比如常用在电动类的24V的镍氢电池),所以SELV球压是必须需要考虑的。。。当然,SELV的附加绝缘的塑料部件可以免去球压测试。 |
|