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|  DSH 404
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| Enclosures and protective covers
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| 60601-1(ed.2);am1;am2
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/ t% Q( A$ S. q4 D. mStandard(s)- (year and edition):
3 I1 y5 w% ]: RIEC 60601-1:1988 Ed.2 Am1+Am2, A( i$ l3 P0 V& ^
Sub clause(s): 164 T# |( G: P, }# T3 R
Sheet n°: DSH-404' _' [$ g" v. w7 C! j
Subject: ENCLOSURES and PROTECTIVE COVERS
( D. r- |, e. E! T1 OKey words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP
: {& _: L5 G( } H1 r9 _+ VConfirmed by CTL at its 39th meeting, in Cologne
3 ]; R: H. {; q$ A1 Z$ D! WQuestion:
3 K) Y; ?9 ^# l/ y+ y ]In practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are
+ Q+ o+ I6 L$ d) a/ q. |7 |accessible with the standard test finger or, alternatively, the air clearances and/or creepage% x/ C' C, _: w
distances between these live parts and the standard test finger are too short. This means that
/ M- h3 F7 {" k$ y* `( a5 dthese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the
8 x% W2 `" f" B! j- e1 mcorresponding enclosure leakage currents shall be measured, and hence, many existing0 i; C0 c/ ?# u, ^! y! n0 L, G
standard SIP/SOPs fail to comply with the standard.$ s, M* D* {" C: g4 m1 P! T2 Y* j
Should, for instance, concession be granted for SIP/SOPs with accessible live parts with a9 k- y# a/ g$ E* I) G* b
voltage (to earth) not exceeding 25V AC or 60V DC?" ^" T7 l# Y% d5 W; O; i* d. u
Decision:- y/ k4 V1 m. @* }! V
Include SIP/SOP in the list of sub-clause 16e)1.% _$ O2 m; V* ~0 y; v+ `; n, a
Instructions for use must contain the warning given in 16a)5.
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发表于 2012-11-5 11:43
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