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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 d/ Z* \' O! X
| 22.311 D; H$ ?) F0 ]. [& v @: p
| 60335-1(ed.3)
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. ?6 O1 P1 f" k- A+ IStandard: IEC 60335-1:1991, 3rd Ed.
7 w6 H3 m# |; d6 I4 L+ N3 T: X7 `Sub clause: 22.31
, V1 x8 M- r$ L7 Y& c1 ESheet No. DSH-483
4 D6 K# F7 L! R: nSubject: Construction
8 P: Q( D9 q5 [" L* `3 rKey words: - snap-on connectors5 T6 h8 h0 C; O0 @1 |8 v! n
Decision taken at the 40th CTL meeting 2003
( c; O6 V: q1 }/ e; R FQuestion:
7 `7 i3 p1 i3 O6 ?8 G$ c5 ZWhat is considered an adequate construction for locking of terminals for snap on connectors?
3 u4 E+ \3 {. I- ]Rationale:
- ]" e# R( F0 W6 R9 SSee question.
5 N: |+ b. W3 S1 rDecision:: P& g4 |# ~9 V0 y- [* i0 o
A receptacle with no provision for engagement with a hole or depression in the tab is not( R2 C% o( U4 |+ e2 ]
acceptable.
; r+ Y! {) R2 S7 [' ]# g' G- U9 |A receptacle with provision for engagement into a hole or depression is acceptable provided
: ], a; e1 K$ d- `the tab and the receptacle meet the dimensional, insertion and withdrawal requirements of
; {1 q, f7 z1 I! Y/ vIEC 760 (or CEE Recommendation 6) .! P5 {, i( `& `0 ^* {- R4 ?5 u
Constructions with other types of positive means to prevent accidental loosening are also
0 M& a6 j- W7 {) K h9 [) m3 R3 E4 R8 }acceptable.
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发表于 2012-9-12 10:40
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