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|  DSH 468- T- X: ~: i8 ?
0 Q1 [, I2 I# [6 S1 p7 k | Creepage distances, clearance and distances through insulation
% F, K( f+ W: h, v2 G# |# G' U | 29.16 H( n# s) G: o( f& u, o
| 60335-1(ed.2)6 R' R# [2 b1 K$ }' }* u
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+ a) H. V( [% p9 ^' q: JStandard: IEC 60335-1:1976, 2nd Ed.; f! b, N4 r3 n3 b, I( R8 _- g6 w, Z
Sub clause: 29.10 H- W _; z2 r
Sheet No. DSH-468
/ Z0 C+ c/ m4 g" ^Subject: Creepage distances, clearance and distances through insulation
2 b a+ |( f' ^ KKey words: - distances between mains and SELV circuits
; q8 x9 S) w& l1 E4 rDecision taken at the 40th CTL meeting 2003
5 e5 F, P" S7 V8 s, bQuestion:5 J, n, V$ c7 A& u) I/ ]
What are the requirements for the insulation of the wiring between the mains circuit and the# O i, \2 m" o: H
safety extra-low voltage circuit?( ]: o, T! |7 o( ~
Rationale:/ }; ^) U0 I2 w, @4 I+ y
See question.
: c; O- @5 k8 n% A- Q0 N6 KDecision:
2 @9 Q; P( d3 V! [5 W vThe insulation of the wiring in the safety extra-low voltage circuit shall comply with the
/ h" `8 c7 N$ |4 {1 \requirements for basic insulation, whereas the insulation of the wiring in the mains circuit# g$ u# s' J& ?, T
shall comply with the requirements for supplementary insulation.- q! e5 J# J0 ?( s% T( \
The thickness of the insulation of the wiring in the mains circuit shall comply with the
" i" r- _6 N! W7 U# crelevant cable standard or, as an alternative, it shall comply with sub-clause 29.2 of IEC 335-1 X! L3 I. c, }, J& a! r
1.
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发表于 2012-9-12 13:11
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