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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑
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60598-1 Clause 13.2.1 - ?4 S5 w& G1 i% C0 L2 [- f2 i
Compliance is checked by the following test:+ i5 v# e/ c9 m; @
The test is not made on parts of ceramic material or on insulation of wiring.
$ t* f6 y4 ~( a% ~5 ^The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
# c) g& m4 Z! w1 Voperating temperature of the relevant part determined during the temperature test (normal) J" s4 X) d2 L! v
operation) 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. H! @8 y$ o) s2 l/ ?6 ] C! y. M* ]
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。 |
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