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| Reduction of clearance and creepage distance4 r% Z: U# r0 q
| 54) G# @0 \+ J5 F: ^4 W
| 60601-1(ed.2);am1;am2
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7 k# [; k6 B3 ]3 k& C: LStandard(s)- (year and edition):
( G7 ~' u% U# U( R5 P6 O# }, f2 oIEC 60601-1:1988+A1 +A2$ e8 R" a0 c0 h( s
Sub clause(s):
0 z& v) A. ^! w. w! {4 A54
1 I- ]: _7 u3 T4 ^! ASheet n°: 535* D) P3 ~9 T( I9 F- e: j& I
Subject:9 t5 K' t+ j6 I( E) V
Reduction of clearance and
0 X5 o5 g6 Y4 [creepage distances: u8 g1 v4 |6 T% A
Key words:
6 T3 c0 [& Q4 s2 C( h/ P7 F! UClearance, creepage, reduction,
9 J: w/ Q# U, {! s7 h% Dtracking resistance
$ E' g% U. J' ~, M" C" {( B2 PDecision taken at the 40th/ ?2 w; w, M# T) S1 e8 d! s
meeting 2003
8 r. | B8 F7 ^; z AQuestion:8 c2 c* t# w$ d0 \1 G5 ?' k8 F$ m; D
Is it permitted to reduce the creepage and clearance requirements of clause 57.10 based on evidence that9 _; I2 Z$ C" p# I% U8 Y
the material being assessed has a high resistivity to tracking?
( u4 I/ f2 M5 m0 l$ H+ kIf it is permitted, what IEC Publication should be used as a guideline in determining the permitted
3 i( i% v* O* i2 m. D Treduced creepage and clearance distances? Z# R4 ~3 E3 S' n
Decision:
2 W" y2 Z5 Z+ p k# \/ h: vThis edition of the standard does not allow reduction in clearance and creepage distance.
& k9 Q+ v/ v8 mExplanatory notes:
+ A4 @% N6 r$ X3 v8 ~) Z3 ?This problem will be transferred to SC62A/WG14 to make a recommendation to the 2nd edition do deal
% o: p# i$ I$ E6 X3 iwith 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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