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本帖最后由 小米 于 2012-9-12 10:41 编辑 ( c) a" }7 e: H3 Z
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|  DSH 483 | Construction" W, L+ [ t( S# k4 I
| 22.313 g" o. ?: H. k& Z: O. Y2 g8 ~
| 60335-1(ed.3)
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Standard: IEC 60335-1:1991, 3rd Ed./ ?# V7 x0 I* p, d) z& {) W% C8 G, k, e
Sub clause: 22.31$ Q3 A8 t' |( K( p2 D
Sheet No. DSH-483
; b( [0 R" F1 K9 D; N+ J, HSubject: Construction. C* m& @" k$ |$ g# f$ m/ R4 E2 b$ i
Key words: - snap-on connectors
3 ]1 N6 R& p, G7 H# U+ L- K! e! YDecision taken at the 40th CTL meeting 2003
Z7 }+ p8 \* [* g- cQuestion:
* V" Q$ t5 x4 }9 [1 cWhat is considered an adequate construction for locking of terminals for snap on connectors?( E' R4 W3 O/ t
Rationale:
. G" @. l8 O( z5 ?See question.& o. [4 {, [9 k
Decision:- n; H. \* K% h. p. \" y
A receptacle with no provision for engagement with a hole or depression in the tab is not2 t$ T8 i! w9 X
acceptable.
' J# e* J. e! cA receptacle with provision for engagement into a hole or depression is acceptable provided
8 T6 E |2 @, g. L' Rthe tab and the receptacle meet the dimensional, insertion and withdrawal requirements of
3 r9 g; b) G+ t+ s% m) ?IEC 760 (or CEE Recommendation 6) .0 I" h$ j# t- {9 J2 m( X5 L
Constructions with other types of positive means to prevent accidental loosening are also: t# `5 w0 [! I3 V
acceptable.
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