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| DSH 404
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| Enclosures and protective covers G. @- q& W/ {; ^; v2 a
| 16
& E0 |& J* U t4 z; J | 60601-1(ed.2);am1;am2
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Standard(s)- (year and edition):9 b- y; T" p* M L
IEC 60601-1:1988 Ed.2 Am1+Am2
: V5 m4 I% ? u4 `; LSub clause(s): 16
+ [$ f" H) }2 j8 J& lSheet n°: DSH-4045 M$ [1 B" D5 u" H( f [
Subject: ENCLOSURES and PROTECTIVE COVERS6 H& E. C' \# R+ s) k0 m
Key words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP% P/ _* G4 ?$ k) K+ e
Confirmed by CTL at its 39th meeting, in Cologne
! x) g0 w4 D% j$ ~" g1 AQuestion:
0 p6 r$ N9 s' Y8 ~: m- M" c; Q EIn practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are% B+ ^9 G9 J: u- H# }$ Y% f& O {+ {
accessible with the standard test finger or, alternatively, the air clearances and/or creepage
0 O; V$ \2 N+ ydistances between these live parts and the standard test finger are too short. This means that
0 ?, x4 o% ]) Sthese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the. C! N; }3 m" f+ e8 X
corresponding enclosure leakage currents shall be measured, and hence, many existing4 b* C" [% N+ U, i+ n
standard SIP/SOPs fail to comply with the standard.* A8 `6 V! b, M* Z9 _ p% |4 o2 e) V
Should, for instance, concession be granted for SIP/SOPs with accessible live parts with a& t) J b. L1 t# }
voltage (to earth) not exceeding 25V AC or 60V DC?+ V% R, ~, V% t
Decision:
' {) h5 I: d0 m* c8 b& k" I; YInclude SIP/SOP in the list of sub-clause 16e)1.$ H- k1 A5 ]1 A# y c T
Instructions for use must contain the warning given in 16a)5.6 r* J- ^) p I
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