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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce , S- H; `% d# e5 O
a flame that persists for longer than 2 s, are further tested as follows. Parts above the / K' }; A$ U3 H
connection within the envelope of a vertical cylinder having a diameter of 20 mm and a height
1 { B8 w: x. ]$ V; c) Y; L9 @, jof 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a # W1 c7 [" t W* A6 H; o; ~7 D0 `
barrier that meets the needle-flame test of annex E are not tested. ! z4 c/ X! t" ] t: n5 g
The needle-flame test is not carried out on parts of material classified as V-0 or V-1 according
5 e$ a% W" L2 h; f% B. wto IEC 60695-11-10, provided that the test sample was no thicker than the relevant part. - C' k* f6 L8 |. r& R
( e9 e$ e4 B* B, F
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
$ x( M$ t! _' {7 c& s( y& L4 [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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