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本帖最后由 小米 于 2012-9-12 10:41 编辑 * h- }+ t2 P+ m. C2 W' d! _# s
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|  DSH 483 | Construction
. V M* s7 x8 a( ?6 r | 22.31
( ^% U( T* x/ k1 q2 |2 r | 60335-1(ed.3)
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Standard: IEC 60335-1:1991, 3rd Ed.
4 T, k5 u0 G: C- w9 ]% f0 fSub clause: 22.31
+ p, P$ L8 \+ [- t% @7 V' H6 FSheet No. DSH-483+ q# k* _- q! J Z# J: E0 S* k
Subject: Construction5 J, {0 {/ C! l
Key words: - snap-on connectors0 H" f% ^5 J! a2 o& |5 ?0 p
Decision taken at the 40th CTL meeting 2003
1 p0 m3 F9 j! p9 p3 w, Q F) }$ oQuestion:
6 V9 `" G! U# v, @8 v+ ?) a, {What is considered an adequate construction for locking of terminals for snap on connectors?
$ S1 i. l7 R* W1 o; t9 BRationale:
: E' k5 }7 K/ X' ?- {See question.9 m, i' A. i# q# \; l
Decision:! ]0 \2 m1 v$ j( U3 B) f7 J
A receptacle with no provision for engagement with a hole or depression in the tab is not, R& m4 E0 k! Q8 d+ m, N1 S
acceptable.
m2 X. p* w5 z9 J4 h$ _A receptacle with provision for engagement into a hole or depression is acceptable provided
! U7 S5 B$ m4 F$ kthe tab and the receptacle meet the dimensional, insertion and withdrawal requirements of9 ?* R* d6 q* X8 Y
IEC 760 (or CEE Recommendation 6) .( E6 |$ f. r7 f' V1 J
Constructions with other types of positive means to prevent accidental loosening are also4 |. K$ p+ e6 e
acceptable.
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