cnh06870 发表于 2012-10-17 11:45

UL1993耐压测试

UL1993 ed3.0 耐压测试8.6.2：
8.6.2 A device with accessible nonmetallic parts and openings in the enclosure shall withstand for 1
minute, without breakdown, the application of a test potential of 2500 V between live parts and metal foil
in contact with accessible nonmetallic parts. The test shall be performed while the device is hot from
normal operation.

外壳开孔如何来区别是散热孔还是正常的开孔？

Nezof 发表于 2012-10-17 14:09

这段话没有说散热孔和正常开孔啊，有opening的device非金属部分就得按这个做

dai7833215 发表于 2012-10-18 14:51

对呀都没说呢

jasonxu 发表于 2012-11-21 17:58

这个开孔就是指所有开孔啊

梁小生 发表于 2012-12-9 20:27

没有搞清楚
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