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G+ d, X. @0 o( [ | Reduction of clearance and creepage distance
' i8 K$ C# @; @5 x+ e% R | 54
& ~/ L3 p/ d4 L l | 60601-1(ed.2);am1;am2
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7 s5 }& A; A6 F* _0 T- KStandard(s)- (year and edition):: x3 {1 w: q7 C$ _: O4 @
IEC 60601-1:1988+A1 +A2
; u/ g% g. P" W0 W1 W8 i' p) lSub clause(s):
; Y7 r% r( f7 g! Q8 K+ {5 l54
3 Z- {5 q7 w% j# |: nSheet n°: 5355 g3 v# W3 `- c! [3 {# y3 z4 ]0 ?
Subject:6 R- e5 \. R9 D$ l% n9 \, Z
Reduction of clearance and
! q1 R; _ ~- a0 M* R, O% ^$ ]$ ecreepage distances
4 P/ r- w8 Q1 E3 ^9 ?: OKey words:
; a2 O# ?3 S& s0 u+ lClearance, creepage, reduction,
1 g! o, r5 o7 K) |% qtracking resistance8 ^2 W9 Y: b& E- n$ |, y
Decision taken at the 40th# d6 b% s$ @* Z, X
meeting 2003
7 a; H$ w& }) g% CQuestion:
: p$ V8 D( k# L0 wIs it permitted to reduce the creepage and clearance requirements of clause 57.10 based on evidence that$ n: i% j; Z* \% ]! \
the material being assessed has a high resistivity to tracking?- I% }0 g3 J6 a* t( M* [
If it is permitted, what IEC Publication should be used as a guideline in determining the permitted; d5 K O8 G3 f7 h
reduced creepage and clearance distances?2 o7 @) h: V& A+ J7 h$ Z% \- e$ b
Decision:+ a! V0 D2 m% y) \* C0 C8 q" g/ ]
This edition of the standard does not allow reduction in clearance and creepage distance.7 a7 @5 O$ u6 [8 o& a8 f4 {
Explanatory notes:
9 ? }7 w% M, h1 K( ]& IThis problem will be transferred to SC62A/WG14 to make a recommendation to the 2nd edition do deal5 X& ]$ {: d* V4 C7 s
with this issue. The 3rd edition will address this issue.2 D( p: U2 I" E1 y- Q5 M
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发表于 2012-9-19 15:47
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