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|
) C1 u1 H' R7 j. S5 D& l6 `. I1 C r, N
| Protection against Electric Shock, Table D 18
" n) a a3 Z$ s4 N& n- Y' T | 6.7
% A/ j; H: k$ u" e) \) B1 d6 @ | 61010-1(ed.1);am1;am2/ [% \2 f0 M; Y8 H+ J
|
c9 `2 D/ h8 F6 o: ^; N" L+ y
1 X$ ?+ w0 B3 N3 T) e3 P1 z
Standard:
, A F! b! ]7 @. g1 j5 b7 Z, PIEC 61010-1 {' t: e! H( e9 ?2 O( W. i$ q
1:1990+A1:1992+A2:1995
) n; g: @7 A% C7 t3 H" x+ ~ pSub clause:
; r8 a. m9 H9 k) {7 K6.73 S* l( Z' ~; P+ J$ ?; f
Sheet n. 304
9 K8 x, Z( m) r4 K7 W) cPage 1(1)
" a4 P0 f% C0 x: k% ESubject:6 ?4 W$ y$ V0 f% ^" L3 W: K
Protection against electric shock,& r& S0 D: o" F5 E8 q( o7 x( \. R9 z
Table D18; A0 v6 x/ n; w$ n1 K! u
Key words:
" i; A. w; G' J5 z0 VCreepage
% x1 [7 G Z$ |- ADecision taken by2 w/ m" T6 m" |
ETF3 and confirmed
; Y5 z8 {. ~7 E! Lby CTL at its 38th
, Y8 Z- a3 q" V; `: gmeeting, in Toronto
: _+ ^( g# x1 e9 OQuestion:
4 z; ~5 o' R0 bWhat creepages apply when voltages in excess of 1000V are present on printed wiring! D3 l6 g: a1 F* x3 Z: p
boards?7 ~. b7 G0 ^. B8 i' f4 w
Decision:" p8 y) n/ Z% H0 p8 g
Use the following columns:. o' l' [ h2 E4 ]
For pollution degree 1 use “Other material”
Y% ]0 P7 L' }. v2 z4 oFor pollution degree 2 use CTI>6003 ]: X) @& q7 u+ T- r0 R6 k1 x2 j
Explanation:
$ z/ H- N4 Y7 I& U3 |IEC 60664 Fig. 1 gives the source of these distances and shows that the values are as given
3 s1 }4 Q: c! }7 v* babove.
( [2 s7 \8 z' Q( v& C3 V- [; ]+ d- w1 U. I- C
& m- q8 p. A5 g9 j% P
y3 B' e6 P* V7 _8 A9 @ |
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发表于 2012-9-19 14:59
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