DSH 416 Leakage current of floating circuits

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 416 + R- B" s/ s! `) }: g

Leakage current of floating circuits

20, 20.2

60601-1(ed.2);am1;am2

Standard(s)- (year and edition):
+ j1 A. `0 z, g8 R' d4 K2 y1 M* SIEC 60601-1:1988 Ed.2 Am1+Am2
* d3 p9 e. q5 O' b' j& G2 [Sub clause(s): 20, 20.2
Sheet n°: DSH-416
Subject: Leakage current of floating circuits
- C& \% n2 c4 Q) pKey words: Floating circuits, leakage current
1 [, x1 f8 T1 Q, ^- L$ H. oConfirmed by CTL at its 39th meeting, in Cologne
7 }% t* |- I8 q8 PQuestion:
EQUIPMENT may contain floating circuits which under the definition 2.1.10 would not be
5 f( C- }: E% t5 Z: @' v0 Sconsidered as LIVE, since contact with these parts could not result in excessive leakage
. _- Y& a4 h3 Q* z  O# `, Ncurrents to earth or to other ACCESSIBLE PARTS. There would therefore appear to be no
( ]$ n+ z) N4 e, Prequirements for safety separation between these circuits and ACCESSIBLE PARTS or
7 H7 z. E& L) ^$ OAPPLIED PARTS. But voltages within these circuits or in conjunction with other circuits may
9 W! K9 ]1 S6 n5 [1 z! alead to currents exceeding the values given in Table IV.
Decision:
If the failure of insulation of such isolated circuits is likely to lead to a SAFETY HAZARD, such
insulation should be short-circuited before determining whether a part is LIVE. This shortcircuit
/ I; P/ _( l$ Y7 I2 P5 u- `should not be treated as a SINGLE FAULT CONDIT ION unless the insulation
7 @$ R  e, x& `concerned satisfies the requirements for BASIC or SUPPLEMENTARY INSULATION
necessary for the voltages within the isolated part.
7 n4 c9 c9 q8 ~& {6 |' R