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|  DSH 510' J0 v' v* [: S4 ^$ b0 ^# ]! Z
7 m, g+ y( B& J' W- ]% A | Creepage distances, clearances and distances through insulation1 W3 w( Y, ?2 N* z. v6 z" w5 ~5 d. F; k
| 29.1" N* Y Q" H3 o1 d
| 60335-1(ed.3) K# H* B4 _/ E$ y
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; ^& l2 \1 w# H' G% X; b' `% AQuestion:
$ i( k# N! O7 g5 qWhat creepage and clearance distances are applied between terminals of a switch?
y9 t" N+ I+ v& e# P0 z6 p, g- iRationale:
$ c* F% F. z/ L! w7 F1 ~/ F3 zSee question.' i0 @/ b" q7 y: K+ |/ p( j
Decision:' c2 G2 [' `2 x6 [# P% Q8 s5 U# V% v
1) Regarding the distance of the terminals themselves, the component standard shall be
0 M; d. K& N6 C7 ?3 l& happlicable. In regard to the connecting points to the PCB, the appliance standard shall be
5 N2 d c$ H3 ]" [/ W+ capplicable.
, f- y! V. @$ p1 i3 d2) If the switch is not required according to sub-clause 22.40, the requirement for distances
' }% L- Q+ V: i4 {* @& ?between the terminals ( live parts of different polarity) is not applicable, according to the last; r' {) u# Y* B4 m9 [
paragraph of clause 29.
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发表于 2012-9-9 17:07
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