DSH 468 Creepage distances, clearance and distances through insulation

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DSH 468 8 h# }0 l9 ~) R' s . T% J* j- U5 [  z3 w; H

Creepage distances, clearance and distances through insulation : E$ ]- q( H. d" _! u. R- D7 ~1 z

29.1

60335-1(ed.2) ( l& U" I$ K0 u% {' l

2 h, y" J; P1 R  {% X6 A( U; rStandard: IEC 60335-1:1976, 2nd Ed.
Sub clause: 29.1
Sheet No. DSH-468
4 E5 A, J" W3 b1 b+ p, j# b: ^# R" JSubject: Creepage distances, clearance and distances through insulation
* K* C4 X) V7 K7 ~' ?9 Y- ]; aKey words: - distances between mains and SELV circuits
Decision taken at the 40th CTL meeting 2003
Question:
& F- J! _7 [1 m- d0 Z% O2 _3 UWhat are the requirements for the insulation of the wiring between the mains circuit and the
safety extra-low voltage circuit?
" @8 _5 u+ \3 u/ w( ]' r5 YRationale:
See question.
Decision:
8 h' }9 b) [' k- z! L& _) w3 gThe insulation of the wiring in the safety extra-low voltage circuit shall comply with the
+ d  t0 Q# [* \; f0 I: D& grequirements for basic insulation, whereas the insulation of the wiring in the mains circuit
shall comply with the requirements for supplementary insulation.
The thickness of the insulation of the wiring in the mains circuit shall comply with the
+ H; x0 ~$ d) z: X* rrelevant cable standard or, as an alternative, it shall comply with sub-clause 29.2 of IEC 335-
8 S$ k4 n7 U+ e# N# B1.

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