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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce
& i" A- r$ u* X5 o) s! Ba flame that persists for longer than 2 s, are further tested as follows. Parts above the 7 v- \4 S6 L0 s& O
connection within the envelope of a vertical cylinder having a diameter of 20 mm and a height ) b3 w- m% j' m" E( Z
of 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a
6 ^; \6 F* \3 b9 l6 N0 Z2 @! Kbarrier that meets the needle-flame test of annex E are not tested. ) ?5 ]! q4 I0 Q$ v9 J2 j
The needle-flame test is not carried out on parts of material classified as V-0 or V-1 according
$ l0 T5 R% E8 Xto IEC 60695-11-10, provided that the test sample was no thicker than the relevant part. + P. i5 _+ P/ Q' |9 u5 n/ ~
3 j7 _1 H! k! I8 b! a1 S* v
以上是我从30.2.3.2 of IEC60335里复制下来的内容。"but which, during the test, produce " e' G6 c& _7 K* ?
a flame that persists for longer than 2 s, are further tested as follows."很明显,是在测试过程中的持续燃烧两秒,而不是样品离开灼热丝后燃烧两秒。 |
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