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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce
' d7 s( S% O# D% d* Ia flame that persists for longer than 2 s, are further tested as follows. Parts above the
G1 A9 |. C4 l4 `, pconnection within the envelope of a vertical cylinder having a diameter of 20 mm and a height
! @$ C8 F3 H0 X7 E7 V$ X2 D6 l3 Qof 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a 7 ~" |7 M" q2 R8 ?
barrier that meets the needle-flame test of annex E are not tested.
% C' d/ }9 J6 B wThe needle-flame test is not carried out on parts of material classified as V-0 or V-1 according
d5 C& }. ~6 y- B) |to IEC 60695-11-10, provided that the test sample was no thicker than the relevant part.
% V- N( C( @3 D( x' J7 b' J1 B
3 F q! r5 T+ ?; |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
8 z2 X8 I( B! ra 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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