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本帖最后由 小米 于 2012-9-12 15:38 编辑
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|  DSH 442 | Interpretation of “in close proximity" or “within a distance of 3 mm"
- A; J) b. x/ K/ h | 30.29 t. A6 i) C+ Z4 N \( ^5 P- g% [
| 60335-1(ed.3)
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9 r. n# } o7 X3 q( \Standard: IEC60335-1:1991, 3rd Ed l! V, J9 h% b
Sub clause: 30.2) O, b$ e/ l$ q, _5 c
Sheet No.: DSH-442
( ~% t5 @& F" ]' u7 N; aSubject: Interpretation of “in close proximity" or “within a distance of 3 mm"! P! ~: @5 x5 E4 \$ t3 l# D6 v
Key words: -close proximity - within a distance of 3 mm" @) G+ }" M7 T. Y2 q) k1 n
Decision taken at the 40th CTL meeting 2003.
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& g% s4 q' `; I9 Q! PIn the note of sub-clause of 30.2.2 of IEC60335-1:1991, 3rd Ed. , "In close proximity" is+ C) U6 o6 j1 g' [! Z% E0 ]8 e
considered to be a distance not exceeding 3 mm. Some say the distance means clearance or
0 `7 M8 x% t, Y! r: qCreepage distance and the others say it means shortest distance regardless of any non-metallic
0 @+ S$ j1 i$ ~1 ^8 v7 A Zmaterials between them. How should it be interpreted?3 R) a9 B" d: z9 \9 p/ h
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发表于 2012-9-12 15:36
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