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标题: DSH 304 Protection against Electric Shock, Table D 18 [打印本页]
作者: 小米    时间: 2012-9-19 14:59
标题: DSH 304 Protection against Electric Shock, Table D 18
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DSH 304! f6 x) o6 S& s) q9 h$ t" C
Protection against Electric Shock, Table D 18" m: w8 s6 h+ p" r
6.7
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61010-1(ed.1);am1;am2+ Z; w  n7 j- Z+ h, [& k9 f! b+ ]

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Standard:
5 }# [8 H: S& ~2 {  p' \- gIEC 61010-. B* o" V# l# v9 N" N' }
1:1990+A1:1992+A2:1995$ @% @0 B$ i" B% G/ M% z
Sub clause:( R! e! e6 T, u$ S3 J! T
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, ?2 j6 f# E  O+ sSheet n. 304
% ^( K2 j1 `5 G4 G  P( B. IPage 1(1)
( T2 E! r5 ?% j0 mSubject:
. q( d+ Y+ j* BProtection against electric shock,
2 i) M! s* A2 S, yTable D18
/ X- |) P2 a3 [# O! i9 f1 nKey words:
3 d1 R! @0 u) D- `Creepage
( {" I3 v$ d0 l6 aDecision taken by
& @# K. V. E& M- ~1 |ETF3 and confirmed
% }; |  l3 @3 l' xby CTL at its 38th
& R, j) d+ O( e3 y0 |% H; Pmeeting, in Toronto
6 J# b/ _0 p! e& {1 }8 NQuestion:
3 L& v8 b; p/ J; M! q- G8 VWhat creepages apply when voltages in excess of 1000V are present on printed wiring
5 I$ v3 }- |9 ]) Xboards?  ?( p3 E3 t0 @* X
Decision:9 G; E  K$ o& {
Use the following columns:7 s# q2 Y" v0 }; x6 Q7 {5 M
For pollution degree 1 use “Other material”
6 u% O& t% S6 w/ N$ \For pollution degree 2 use CTI>600& o: H$ K1 a+ `. _
Explanation:, x; E3 R" B! n  j( f2 [
IEC 60664 Fig. 1 gives the source of these distances and shows that the values are as given. F$ A4 G/ M7 v
above.
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