小米 发表于 2012-9-9 22:19

DSH 500 Creepage distances, clearances and distances through insulation


http://decisions.iecee.org/icons/ecblank.gif DSH 500

Creepage distances, clearances and distances through insulation
29.2
60335-1(ed.3)


Standard: IEC 60335-1:1991, 3rd Ed.
Sub clause: 29.2
Sheet No. DSH-500
Subject: Creepage distances, clearances and distances though insulation
Key words: - one or more air layers
Decision taken at the 40th CTL meeting 2003
Question:
What distance consisting of material plus one or more air layers (note 1) is required in
accordance with clause 29.2?
Rationale:
See question.
Decision:
Constructions as in the figures are according to the standard.


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