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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce 6 h! _; y. Q7 x/ o& p+ S J6 \
a flame that persists for longer than 2 s, are further tested as follows. Parts above the + l# N3 a' `% ]1 ` X5 T
connection within the envelope of a vertical cylinder having a diameter of 20 mm and a height
$ U3 m# R3 x3 @0 X4 rof 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a % R3 Y: D3 A9 E- g
barrier that meets the needle-flame test of annex E are not tested.
" Z0 K; o) Z) G7 K1 K& qThe needle-flame test is not carried out on parts of material classified as V-0 or V-1 according 5 G" M% _8 c0 A" U5 b" n0 ]
to IEC 60695-11-10, provided that the test sample was no thicker than the relevant part.
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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 1 V5 i: ]% I: @! n% f+ s
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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