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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce
3 U0 C3 w8 w0 q C' u& }a flame that persists for longer than 2 s, are further tested as follows. Parts above the ; F# g( y: K1 \- Y
connection within the envelope of a vertical cylinder having a diameter of 20 mm and a height , d3 D( R8 I& A$ u; }8 |( F3 F
of 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a $ \: H. f* }. B% p! H Q, m
barrier that meets the needle-flame test of annex E are not tested.
3 g, g$ z3 m. _5 w4 C6 YThe needle-flame test is not carried out on parts of material classified as V-0 or V-1 according 3 V c+ Y) _3 |
to IEC 60695-11-10, provided that the test sample was no thicker than the relevant part.
; m( Z# Y8 o" p& ~! e' p0 T; P, h
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 * Y1 n- f- Z d" ]
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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