DSH 468 Creepage distances, clearance and distances through insulation

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DSH 468 8 a3 N5 ?: R. {: e$ G - y7 G4 S4 W0 ~  z2 P& D2 [% O

Creepage distances, clearance and distances through insulation - X& h, i( a4 M/ P  Y

29.1 $ T+ N. e4 v' w/ d! h& s% ?4 N

60335-1(ed.2) 8 R- M: O$ G/ s( D0 U$ w

Standard: IEC 60335-1:1976, 2nd Ed.
5 x% ?( ^/ T- ?* C, ^- Q" kSub clause: 29.1
Sheet No. DSH-468
5 q: h+ H6 B: D+ m" |( ^- ^Subject: Creepage distances, clearance and distances through insulation
3 o: M- h9 s  c5 ^# _& bKey words: - distances between mains and SELV circuits
$ \7 u/ c- d# v$ t3 d* h  DDecision taken at the 40th CTL meeting 2003
+ F5 a8 Y1 t5 B: S) IQuestion:
What are the requirements for the insulation of the wiring between the mains circuit and the
safety extra-low voltage circuit?
Rationale:
/ Y% a9 h- a, y* OSee question.
5 o" i! a9 t# y! `  W, E8 D. n1 zDecision:
+ T: u( Q9 l% ~6 EThe insulation of the wiring in the safety extra-low voltage circuit shall comply with the
" N+ Y3 R6 I  j; u  Yrequirements for basic insulation, whereas the insulation of the wiring in the mains circuit
shall comply with the requirements for supplementary insulation.
. s' q# ^3 _3 z: mThe thickness of the insulation of the wiring in the mains circuit shall comply with the
* T  J: f/ B  {; y& C1 Frelevant cable standard or, as an alternative, it shall comply with sub-clause 29.2 of IEC 335-
% B; h7 R% W0 `" P$ o4 X# h1.
! h0 T/ v# \0 p; x
  E, {$ F; h& X$ ^  ~  y