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|
; n+ ?" @. X. L
2 Q9 o* g- V) G
| Clearances and Creepage distances
& F: F! w+ T0 z0 M5 z% a9 \5 Y | 6.7
. U* N- s3 Q" w | 61010-1(ed.1);am1;am2
) R( g5 Y' e" d: [ |
8 l& s1 t9 Z8 t6 ^
, H6 f1 f0 H* I" M, R! q* R
Standard:0 o N/ G0 y2 M' R u
IEC 61010-5 |6 h9 N. t' V6 d f$ K
1:1990+A1:1992+A2:1995
+ r. R/ p7 |4 Q& Q3 bSub clause:; A5 Y! O& V' m
6.7
# N# E, o, n A1 w( X! [2 pSheet n. 3227 n% J4 f- v( {4 _7 i; j' w
Page 1(1)4 ^: I) R1 y H; c% a
Subject:4 V. w& o; d! b( ]3 d/ y
Clearances and Creepage distances- |; d2 S0 u9 H J }7 |& D
Key words:. W' d& ~+ T! w+ [( p8 s g
- Clearance% B' s) }; ~1 g8 }# Z- `6 u
- Creepage$ ?) l; r! z2 [5 ]9 V e1 @4 ?
- Operational insulation
0 S. o" |0 W6 k% kDecision taken by5 |/ X9 A0 E3 b M) s* [
ETF3 and confirmed, @# {- f: T4 W* v+ R" b
by CTL at its 38th
( l% _* |7 G6 S7 G# V+ |$ xmeeting, in Toronto: w W6 E- @! y$ G! V' ]
Question:
$ b' A- J8 j% \5 o g% s) LWhat are the creepage and clearance distances for operational insulation.3 e0 d- r7 q( x% |7 }! x D
Decision:7 ^. J" q& O3 n# c& l+ Z$ Z) R
IEC61010-1 does not define creepage or clearances for operational insulation and therefore
0 w a* C. m3 n, l; p/ ~$ V, rthe values are left to the discretion of the manufacturer.
0 j& |5 g% A# j2 x2 z7 B$ F3 ?0 W3 q( @% q' ]/ u/ _! W: C# [! N6 z# @
& y5 ~4 C4 `( H- x2 D1 i
, N+ ^" @' \6 n. b5 G5 ]8 ] |
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发表于 2012-9-19 14:17
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