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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce
$ R0 @- f5 r8 F. ja flame that persists for longer than 2 s, are further tested as follows. Parts above the ( P3 c5 i5 }! [4 B' I8 b
connection within the envelope of a vertical cylinder having a diameter of 20 mm and a height
! ]5 m' k2 H- m4 Dof 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a
1 l" Z$ S' W8 Z6 B- Qbarrier that meets the needle-flame test of annex E are not tested. / O: B; P& i. S" m! l, Q1 t
The needle-flame test is not carried out on parts of material classified as V-0 or V-1 according
4 ~' w! v: C: Z$ R- Mto IEC 60695-11-10, provided that the test sample was no thicker than the relevant part.
# B$ u6 _% Z$ y+ V3 G
8 U$ o# f* z; A% _" K8 C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 Z- C& l. ~* k: b& D! k! N( r/ h
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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