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Parts that withstand the glow-wire test of IEC 60695-2-11, but which, during the test, produce
3 R9 Y% m6 \; U6 }a flame that persists for longer than 2 s, are further tested as follows. Parts above the $ o- d' K# ?. m/ ^5 V6 Z( k8 {& S. Y7 t' J
connection within the envelope of a vertical cylinder having a diameter of 20 mm and a height 4 P8 J" [, v& j2 ~! a& C( n
of 50 mm are subjected to the needle-flame test of annex E. However, parts shielded by a ( g2 \4 @) L; c5 ?9 j1 r4 J
barrier that meets the needle-flame test of annex E are not tested.
% l N/ D! N* N3 x& N+ X8 U/ e# L1 IThe needle-flame test is not carried out on parts of material classified as V-0 or V-1 according
' D- ?* e# W7 G! z, e0 yto IEC 60695-11-10, provided that the test sample was no thicker than the relevant part. ) d$ Q- H4 y+ b6 u; {9 q9 w& P- m
2 p2 _+ k8 E! ~6 S5 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
: Q) T3 T* n7 ]: ^+ F& {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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