DSH 500 Creepage distances, clearances and distances through insulation

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DSH 500 $ y% H$ |; u) S8 e6 f. i7 \

Creepage distances, clearances and distances through insulation

29.2

60335-1(ed.3) 0 N4 }3 L! H& @

Standard: IEC 60335-1:1991, 3rd Ed.
7 I! t8 [+ C5 H9 a' KSub clause: 29.2
Sheet No. DSH-500
Subject: Creepage distances, clearances and distances though insulation
Key words: - one or more air layers
5 M* ~4 U# ]! ADecision taken at the 40th CTL meeting 2003
1 f/ m" A0 F3 y1 o6 p$ [: L% EQuestion:
What distance consisting of material plus one or more air layers (note 1) is required in
9 _* ~: h/ m* L5 L0 eaccordance with clause 29.2?
Rationale:
' e( F, O) v  H$ gSee question.
Decision:
9 E  b8 f. a! B. G! nConstructions as in the figures are according to the standard.
3 ~. |" ^5 B9 R) f' Q
/ f, U% E! J' d4 U9 f7 y