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EN60065 2002版本 有三个条件
' t1 W. |# L" V! C; ]% H, W1.5mins max & 210K
+ e% |! r: Q$ R6 \; g2. 符合20.1.3要求# `0 y. ^: F7 l2 b
a.<2 cm2 PCB (不明白这个2cm2 PCB指的是什么面积?是PCB的大小,还是故障时燃烧的面积不要超过2cm2),不要超过210K. M/ H! }$ Q" E0 E
b。。。。
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很繁琐。。。。
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但是最新版本IEC 60065 2011版本的说的很清楚
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) R( O8 [3 S0 U! s11.2.3 Parts, other than windings and PRINTED BOARDS, providing electrical insulation% ]4 K; b2 N& W1 B9 c5 s7 s
The temperature rise of insulating parts other than windings and PRINTED BOARDS, the failure of/ Q" N0 p/ w& K0 ~! C4 g
which would cause an infringement of the requirements of 11.1, 11.2.2 and 11.2.4, shall not
5 ?# t; N% K5 `exceed the values given in Table 3, item b) "Fault conditions".
- d7 G$ E: v# W0 R* tIf a temperature rise limit is exceeded, and if there is doubt as to whether or not an electric
8 C/ Q' O' B: s+ {" oshock hazard exists, a short circuit is applied between the conductive parts concerned and the& x: a: {+ m2 M0 O; C1 @) R, N/ ]
tests of 11.1 are repeated.' ?9 o* s' [2 v, Q# S
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( i3 l* k) H- p% N7 Q N; r% q最新的就说的很清楚。 |
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