|
|
|  DSH 510
/ Z: Q) v& P- U6 z. C; o F
! i. a' }6 g! {" Y | Creepage distances, clearances and distances through insulation1 H h* Z" b& v
| 29.1( ?) [3 V9 V+ Z: p) B7 Q/ C- H
| 60335-1(ed.3)
/ q/ X( N1 j" i/ p4 q6 W% z# D |
2 ^% r p; h) X* c# [! |
Question:
* v# g# Z9 c0 s. MWhat creepage and clearance distances are applied between terminals of a switch?, I/ Q3 d. I# z5 q
Rationale:% K" B* N3 f; v1 G! k( ~: H! X, ~
See question." T" _& J; {, _
Decision:4 H5 Q6 i8 S; H1 q, h3 k& L7 c
1) Regarding the distance of the terminals themselves, the component standard shall be* h; t X, Z) T& {( @- I7 V
applicable. In regard to the connecting points to the PCB, the appliance standard shall be" ?/ ?0 o3 U/ q# `, A
applicable.
9 v; w4 r: k5 T2) If the switch is not required according to sub-clause 22.40, the requirement for distances) R( e+ d4 Y: J1 U4 ?* C% v. y/ O
between the terminals ( live parts of different polarity) is not applicable, according to the last
]0 z6 a7 r- O! z/ {- v5 jparagraph of clause 29.
* D/ n, y- w4 }! k+ u3 t) y) z8 r* F; e- }8 z
( {0 f; e+ A) [0 a& s |
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发表于 2012-9-9 17:07
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