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|  DSH 4048 h d- a6 T8 D2 i0 C
* L& d. K; }0 b2 ]$ E! ?) W | Enclosures and protective covers L8 C: M* v* l; u
| 16
) N0 M$ {/ r& e( o | 60601-1(ed.2);am1;am2- G& W) `2 e( ~4 f( R, n
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' U4 q3 q2 T, Q9 P9 TStandard(s)- (year and edition):/ h0 D- i( y) {- d: m/ g+ Y0 q) O
IEC 60601-1:1988 Ed.2 Am1+Am2
3 w. u$ C7 y1 N/ h0 L% z1 g+ qSub clause(s): 16* }/ o) J" H& H0 C, e/ h v/ X
Sheet n°: DSH-4046 P- P% m: U. P | c8 q' G
Subject: ENCLOSURES and PROTECTIVE COVERS0 I2 \! I- g. e, e: }& @
Key words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP& _ ?6 o, Q$ g
Confirmed by CTL at its 39th meeting, in Cologne- E5 {9 L4 W! [7 X& M, v1 ], o" h, b
Question:
, Q: D( M \% _% CIn practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are
& `# V2 P# `) k- T! G, \4 Paccessible with the standard test finger or, alternatively, the air clearances and/or creepage
4 }( }; B' V# w; G" x [( u; Rdistances between these live parts and the standard test finger are too short. This means that
; l" B0 P* K/ E9 L5 qthese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the, i e+ x( F. ~! T" Q% R: ]
corresponding enclosure leakage currents shall be measured, and hence, many existing) Y$ p/ N$ P% j9 q# E9 @$ [
standard SIP/SOPs fail to comply with the standard.2 L/ O p, _4 G d
Should, for instance, concession be granted for SIP/SOPs with accessible live parts with a9 i! c# T$ n+ R
voltage (to earth) not exceeding 25V AC or 60V DC?
4 K( t' n( |1 l G/ O, }8 j$ WDecision:
3 K/ p3 G' a+ x' F7 y2 eInclude SIP/SOP in the list of sub-clause 16e)1.
( d7 [' K% Q4 l. ]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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