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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce . i( Q4 R2 S" C7 ~# R% O4 w
a flame that persists for longer than 2 s, are further tested as follows. Parts above the
$ R4 g5 O* A: Y! g( c+ hconnection within the envelope of a vertical cylinder having a diameter of 20 mm and a height : j! r: J* Y" q7 e/ @! t1 q, Y
of 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a 7 k9 ]7 r" N) H0 A2 l
barrier that meets the needle-flame test of annex E are not tested.
, q6 m" j: R9 i3 PThe needle-flame test is not carried out on parts of material classified as V-0 or V-1 according
8 _3 B$ l1 R: Vto IEC 60695-11-10, provided that the test sample was no thicker than the relevant part. ' G+ X; ~! n+ T$ S) w
( d' z& d: y. E" j8 i
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
) V+ ^/ Q; o X$ ]4 Fa 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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