DSH 433 Components between primary and secondary

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 433 2 Y. R; L6 r+ {. P# m

Components between primary and secondary

57.6

60601-1(ed.2);am1;am2 ( G( ?6 s& N$ _& w+ P6 Z

& E0 b! l* z) K1 g0 x# XStandard(s)- (year and edition):
1 l9 c! u: h4 A$ P+ Z2 d' D, j/ I4 rIEC 60601-1:1988 Am1+Am2
: P) s' J1 w5 `  b, YSub clause(s): 57.6
Sheet n°: DSH-433
1 y# ~1 W% j: }Subject: Components between primary and secondary
3 }5 a/ ?% k" u: D, i# A! Z5 GKey words: Reinforced, insulation, bridging
Confirmed by CTL at its 39th meeting, in Cologne
Question:
' Z: \# K( c3 ^' n4 a( k7 wDOUBLE INSULATION and REINFORCED INSULATION are defined in subclasses 2.3.4 and 2.3.7.
  r9 [& N/ U) r. L1 FRelevant requirements are in sub-clause 20 (Dielectric strength) and sub-clause 57.10 (CREEPAGE
, q& J) o; r+ ~0 v) e/ a! RDISTANCES and AIR CLEARANCES). Sometimes it is necessary to bridge the insulation by
$ g" x# d  f. |& ~: p; `components (e.g. opto-couplers, capacitors). What are the requirements for these components?
+ l# Q9 z; f$ Z- E& @: N+ D/ YDecision:
Capacitors according to IEC 60384-14 type Y1 can be used to bridge DOUBLE or REINFORCED
- @# v  R" V1 q0 ?. N. S! UINSULATION.
, L0 ]# K" O/ e/ |' V) h  R+ uStep by step a list with references to standards for components with requirements concerning reliability
* T6 i3 [4 {  m- A+ Qshall be established.


. R& j, R7 N5 Y4 z8 [. v