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|  DSH 510
3 C4 y; g/ c+ e! t0 G# u- U/ ~+ v4 O8 }! Y! `' E; y
| Creepage distances, clearances and distances through insulation
: [ g; G6 A, U9 B. f+ {2 Q7 @. L | 29.1
5 Q. n# H9 }6 [* s- l9 t( K g+ V+ ^ | 60335-1(ed.3)- b4 P6 {3 ^/ a+ x+ v
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* R7 H* H6 n6 X7 l. BQuestion:
/ A' s3 r! K& Q7 t$ eWhat creepage and clearance distances are applied between terminals of a switch?
6 @( D; {9 m" xRationale:
9 P5 f ~, I3 k' s6 F' r( jSee question.1 R4 r7 O; P( A, U/ P2 c
Decision:- k; F* g- l/ `& k3 ]+ J* a( M$ Z
1) Regarding the distance of the terminals themselves, the component standard shall be
4 J) W, `+ f; ?applicable. In regard to the connecting points to the PCB, the appliance standard shall be2 [( O; \. Y) [& ]; R+ [
applicable.
1 ]$ n$ X3 R3 `( u+ c2) If the switch is not required according to sub-clause 22.40, the requirement for distances2 s/ o5 z% P$ K3 s$ W" I! _! l
between the terminals ( live parts of different polarity) is not applicable, according to the last1 q) Q3 t6 Z' ]* k9 X2 e+ I& ?
paragraph of clause 29.
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2 r! ]6 S, \; P; s
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发表于 2012-9-9 17:07
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