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本帖最后由 小米 于 2012-9-12 10:41 编辑
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|  DSH 483 | Construction9 n8 X4 Z! r# Z. R/ R2 g3 @- n! o
| 22.31
% f$ `# ^, G- w9 e | 60335-1(ed.3)+ H( O7 [6 f/ X0 o! B3 y
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Standard: IEC 60335-1:1991, 3rd Ed.5 o. E) `8 H0 y1 g; M- o
Sub clause: 22.315 P+ g; X" B# o/ t! N8 X
Sheet No. DSH-483
$ o1 {3 J* \1 ~) c7 x( XSubject: Construction# a- `( O. Q* b S9 l# M
Key words: - snap-on connectors+ P; G# _: g2 c( ?
Decision taken at the 40th CTL meeting 2003
$ o$ Z1 E* k8 b& O/ w$ hQuestion:% ]' v3 W) Q7 p( t A2 ?0 s, p7 v; D1 U
What is considered an adequate construction for locking of terminals for snap on connectors?
' j) m% p' R1 P& I5 ?Rationale:
. \) P% w6 \" v2 B/ `See question.
6 W9 s" v) i8 I: k& WDecision:
2 B/ }0 o H; q! hA receptacle with no provision for engagement with a hole or depression in the tab is not$ r+ @2 A* |+ c; N0 t% g
acceptable.. o+ W- N: p2 d3 \) e
A receptacle with provision for engagement into a hole or depression is acceptable provided
9 f+ c% ?% F! |. v9 p& s; Y uthe tab and the receptacle meet the dimensional, insertion and withdrawal requirements of
; k& D6 _$ m: f1 S, C+ ^IEC 760 (or CEE Recommendation 6) .
! ?' t% o" Y4 [Constructions with other types of positive means to prevent accidental loosening are also. K, `$ z2 @0 X& C# f% A3 ^4 Y, [
acceptable.
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