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2 z+ y, y; F3 `; }" ] | Reduction of clearance and creepage distance
: Y% A$ `6 D( [& G5 V | 54, G; n* b9 G: w6 x$ B$ U8 `
| 60601-1(ed.2);am1;am2; q. e7 ]" d' ^! Z" r. E
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$ @& [4 h& R$ @ y+ e8 X1 y1 TStandard(s)- (year and edition):( z9 |- R5 x0 G) w q8 ?
IEC 60601-1:1988+A1 +A24 Y; v+ z. T- b* E4 V
Sub clause(s):; G5 ]4 ]# b+ E6 w* n& O
54* P Q9 G/ j% u' O% ~. d
Sheet n°: 535
4 c1 V0 k+ J( N) a* USubject:. G9 L4 G4 B1 c8 e. h9 y
Reduction of clearance and
" \! X6 }& x7 J" |% H3 a0 ]creepage distances) k; M; P! B$ k
Key words:
, o3 P/ H/ T8 [1 k( zClearance, creepage, reduction,
$ P% r5 H Y2 v' |7 z* U9 etracking resistance4 F3 N1 D! b" F; H: t1 V
Decision taken at the 40th
1 n% V# s. b7 ^meeting 2003
( Z) g6 o6 K4 Q/ l% v. T1 \; nQuestion:
/ y3 w; |( a' S; ^. f4 PIs it permitted to reduce the creepage and clearance requirements of clause 57.10 based on evidence that' n4 v; S0 X! n% _- T
the material being assessed has a high resistivity to tracking?% N$ o5 N, A$ n U Z
If it is permitted, what IEC Publication should be used as a guideline in determining the permitted
4 a+ s) X; }' X" ]8 k% j$ o- Vreduced creepage and clearance distances?
) {& I; T m3 K$ d8 YDecision:
& j0 x7 x( r( Z% t! _; D* i) m7 YThis edition of the standard does not allow reduction in clearance and creepage distance.
( s5 O# ]0 m8 k3 L( E: R$ DExplanatory notes:+ g1 s- M+ [( t6 _
This problem will be transferred to SC62A/WG14 to make a recommendation to the 2nd edition do deal
M3 V6 f5 A9 k, Y9 L; m8 |with this issue. The 3rd edition will address this issue.
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发表于 2012-9-19 15:47
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