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5 [ u( d2 {' ^! L9 k6 r1 h! @: f7 [. p
2 \3 a1 J& M, `2 P k | Clearances and Creepage distances$ ^/ @1 O4 M6 E9 B; V
| 6.7
- d! ~& ~0 @8 ?0 t8 o/ n" S3 p. `- } | 61010-1(ed.1);am1;am2& C& u1 f/ e+ T; g7 K9 e* X0 G0 e
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~4 r; w. T8 b1 `4 A# J( W9 ]" A* G- a
9 }( o; I2 P! X' \, k' \7 u! ]
Standard:* k# R* {+ F/ ]6 Q
IEC 61010-
$ c5 D4 W- F. Z1:1990+A1:1992+A2:19954 C, z/ z) @2 z' \- W' F/ x
Sub clause:, ~8 d' w7 e9 B+ c4 f- L0 `
6.7
7 w# {4 ]+ [& G0 I6 G" F; hSheet n. 3225 v4 I4 H& E e7 u7 z8 J2 J" @; w
Page 1(1)5 |6 X! }7 F: [/ R6 G
Subject:
w* X I2 g# S; D+ d' V# n/ C$ f& KClearances and Creepage distances; j& e6 b' I* K1 {$ U
Key words:
+ e+ C9 }/ v; }3 ^- Clearance6 I+ r: S+ P @1 R
- Creepage# L( c& Y0 y/ D( _, g3 p, _
- Operational insulation
% d$ `. t( X* G; @1 Q: t! sDecision taken by
+ d) j4 d- ^* e9 J3 P7 x9 _' IETF3 and confirmed
J* ]/ L4 I, t- Jby CTL at its 38th
% h& N$ V6 `+ Z5 Kmeeting, in Toronto& L9 ?" x0 I8 O
Question:
! [& y1 O* \. U5 KWhat are the creepage and clearance distances for operational insulation.
9 C h0 k% Z% jDecision:/ [$ Q7 L" `" n. E' |; Y
IEC61010-1 does not define creepage or clearances for operational insulation and therefore
4 o& Q! Z0 H* X1 \, K' |the values are left to the discretion of the manufacturer.
: }9 `* R8 x7 A" Y4 d q* [; r7 D# {( R
& A6 A) ]1 I2 i0 w* P- }% H
7 K" _8 \, Y* Y' {$ q" g |
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发表于 2012-9-19 14:17
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