DSH 468 Creepage distances, clearance and distances through insulation

小米

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 468 3 V7 _5 \+ X. ~. C/ g" C

Creepage distances, clearance and distances through insulation 2 M. r4 \+ `. ?

29.1

60335-1(ed.2) & @( G; `7 v3 U

Standard: IEC 60335-1:1976, 2nd Ed.
1 r# b, Q. T: e. Q: M7 \* LSub clause: 29.1
+ t7 a, e9 o9 H5 VSheet No. DSH-468
" S$ f8 {  j. l$ bSubject: Creepage distances, clearance and distances through insulation
" \0 u. y3 I8 _2 T" kKey words: - distances between mains and SELV circuits
2 C3 v+ u1 T* u( M+ S4 cDecision taken at the 40th CTL meeting 2003
Question:
What are the requirements for the insulation of the wiring between the mains circuit and the
2 e! k" A8 q3 L3 M( _safety extra-low voltage circuit?
Rationale:
See question.
Decision:
  J3 _6 D( a8 A- }1 [4 `The insulation of the wiring in the safety extra-low voltage circuit shall comply with the
- z- ]5 G" C, k/ H- u, O( Brequirements for basic insulation, whereas the insulation of the wiring in the mains circuit
/ h. {& T7 z- B) @% vshall comply with the requirements for supplementary insulation.
, J" f- _9 Q- A  t$ e* R! hThe thickness of the insulation of the wiring in the mains circuit shall comply with the
relevant cable standard or, as an alternative, it shall comply with sub-clause 29.2 of IEC 335-
+ k! Q9 B! D7 s% |1.
/ G7 x1 R# L2 c( o" P5 q" ~) T2 X
; j7 u! }7 J$ e& c+ R) D$ ^