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|  DSH 510
* F/ w* a5 e- P) ? O% i# f4 b+ E7 `$ l/ f. Y
| Creepage distances, clearances and distances through insulation
! v, U1 O9 M z5 t r2 j6 Z4 f+ _6 \ | 29.18 \8 u3 W2 a, P0 @+ R; `
| 60335-1(ed.3)
! @, x) C4 }& W) {. c M0 y |
" v7 O6 J" T: L; y# V( I0 LQuestion:, j: Z/ ?( m3 c4 C; N! o
What creepage and clearance distances are applied between terminals of a switch?) @" p; p+ f! d/ ~4 O
Rationale:
2 T/ u3 H6 G& gSee question.
" T/ P$ z' {# ? M, e. jDecision:
* Z1 d, G- `2 R: ~) t0 C1) Regarding the distance of the terminals themselves, the component standard shall be
3 K7 ~7 C$ H2 ~3 u$ qapplicable. In regard to the connecting points to the PCB, the appliance standard shall be
' A# f, o: [8 L! |applicable.
+ b3 \& p( P8 d% S5 j( t6 R6 k, N2) If the switch is not required according to sub-clause 22.40, the requirement for distances; m4 b8 L8 G9 k. H/ `0 H
between the terminals ( live parts of different polarity) is not applicable, according to the last- o0 A! ~% H8 a. x
paragraph of clause 29.3 O, E3 [# v$ s2 c
+ ~1 o) J! J& u: r4 Y5 Y6 h& Q( J1 g% r$ J6 U* |
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发表于 2012-9-9 17:07
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