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|  DSH 510
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" {: H _0 [. f3 }5 z" U( c9 v | Creepage distances, clearances and distances through insulation1 I. L- J J3 p* {
| 29.1
0 U! d% B5 n( _2 F; o# b- D3 M | 60335-1(ed.3)! R; o E9 y' w2 w
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- Q, M1 d% w: l VQuestion:) N$ c6 n; V) D6 p' U
What creepage and clearance distances are applied between terminals of a switch?$ u9 z1 R- p& ^9 i# u6 h
Rationale:6 e* ?2 S* o0 _" X8 s9 c! R
See question.
- E) F6 b% r& JDecision:0 s9 x2 D5 e- p9 ]+ g3 c1 p
1) Regarding the distance of the terminals themselves, the component standard shall be
4 Q, n, j) s: J- n4 Yapplicable. In regard to the connecting points to the PCB, the appliance standard shall be
7 w" f7 k% o0 H0 r/ Dapplicable.- |* H8 D( l. P6 B( o2 H
2) If the switch is not required according to sub-clause 22.40, the requirement for distances Z! M$ c- N' c+ h. M' g
between the terminals ( live parts of different polarity) is not applicable, according to the last, m0 Z( g& v/ L
paragraph of clause 29.& D! P* Q0 A+ b; k9 T+ @! z& r& M
+ ?6 I. V; A) f9 h/ q4 S
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发表于 2012-9-9 17:07
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