DSH 404 Enclosures and protective covers

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 404 4 _# \6 s& J/ i% ?' O2 G+ `, l

Enclosures and protective covers

16 - _$ v$ Z& k- y

60601-1(ed.2);am1;am2 5 u2 c4 ^6 d2 c! m8 q

% w4 p% S) L7 |9 W0 fStandard(s)- (year and edition):
# H- g- S2 J9 r: h5 qIEC 60601-1:1988 Ed.2 Am1+Am2
6 K- x! h! d4 }  j/ R/ X/ ]Sub clause(s): 16
Sheet n°: DSH-404
5 n: X4 c2 H: [" y) w" P4 cSubject: ENCLOSURES and PROTECTIVE COVERS
7 ^4 H8 i$ r* F' k9 ?+ P9 ZKey words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP
Confirmed by CTL at its 39th meeting, in Cologne
Question:
In practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are
accessible with the standard test finger or, alternatively, the air clearances and/or creepage
/ L& Q( a2 j' g1 s& Ndistances between these live parts and the standard test finger are too short. This means that
( ~. ^: W% `; v1 }3 xthese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the
1 l2 {% f4 n. }$ mcorresponding enclosure leakage currents shall be measured, and hence, many existing
5 s5 d' p' y4 M5 f- ~1 R( Sstandard SIP/SOPs fail to comply with the standard.
  j, W) ~4 {. XShould, for instance, concession be granted for SIP/SOPs with accessible live parts with a
' _# y; r# A, A6 f- ^, o" }" {voltage (to earth) not exceeding 25V AC or 60V DC?
$ G4 z1 a2 K0 N4 [; Q7 ~Decision:
4 G; }& B; m( W9 i" a1 c) KInclude SIP/SOP in the list of sub-clause 16e)1.
! E" S+ e( j  ?- B. c1 eInstructions for use must contain the warning given in 16a)5.