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| DSH 404 |3 @% y; w9 |: u9 ?& m
! ^& l7 g/ p3 m | Enclosures and protective covers
, o8 w2 [/ j. L7 S n2 E N1 r u | 16
. A8 I; K; x2 h, S T t( I | 60601-1(ed.2);am1;am2* k+ V( r+ p9 y- R/ T
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Standard(s)- (year and edition):
- h" W: ?1 m" Q+ y+ lIEC 60601-1:1988 Ed.2 Am1+Am2- ~9 b4 G( D" W& o# ^! {* r7 {
Sub clause(s): 160 X' y+ m% e+ K) I' T
Sheet n°: DSH-404
7 T6 P; p( x* ^Subject: ENCLOSURES and PROTECTIVE COVERS
( ^7 {' s, ]2 }( t9 T2 s7 O0 X0 cKey words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP
, r1 N+ a" e0 q$ mConfirmed by CTL at its 39th meeting, in Cologne4 K9 h+ {3 A E7 ~
Question:% u- E9 e5 L2 p3 t5 m
In practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are" ~! F5 r% o/ ]% `8 ^6 Z
accessible with the standard test finger or, alternatively, the air clearances and/or creepage, U3 C8 R+ k* n
distances between these live parts and the standard test finger are too short. This means that
9 N, N+ @1 J6 `0 Nthese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the9 h! I1 Z4 A$ l' j
corresponding enclosure leakage currents shall be measured, and hence, many existing
1 O2 n% q: ?& }( g7 O8 Ustandard SIP/SOPs fail to comply with the standard.0 [" q* Z- T- c6 M4 O; }4 n; Y1 t7 V, P
Should, for instance, concession be granted for SIP/SOPs with accessible live parts with a
0 L, D/ \8 z- a/ Wvoltage (to earth) not exceeding 25V AC or 60V DC?/ @8 |. V6 S6 N. f; S
Decision:
( }- ]( s7 N' v6 o) R" RInclude SIP/SOP in the list of sub-clause 16e)1.
) q% E5 d9 R# r7 nInstructions for use must contain the warning given in 16a)5.
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