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|  DSH 404
9 j. m/ X- O$ s
8 O* s% i; f/ p# t | Enclosures and protective covers% g2 }( n/ b: I/ S
| 16
: ?4 x4 x, S9 J2 } | 60601-1(ed.2);am1;am2
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Standard(s)- (year and edition):1 y# \5 M0 q" J) s: C+ r( m
IEC 60601-1:1988 Ed.2 Am1+Am2" ]7 S2 l: G) B- `% t
Sub clause(s): 16: {) |' l$ {6 s' F. G9 B
Sheet n°: DSH-404" ~# n: q5 {# Z4 t
Subject: ENCLOSURES and PROTECTIVE COVERS
- B, M1 F" U/ V) ^. P2 wKey words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP% F$ r1 ~6 P$ T- A) p; [& i- n1 w
Confirmed by CTL at its 39th meeting, in Cologne
2 ?9 x8 p) s6 F' c7 C' A+ C+ fQuestion:9 x* Y# ^3 h# C; N, Y& V
In practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are) q* s$ e# W- E# m0 U- k
accessible with the standard test finger or, alternatively, the air clearances and/or creepage
. z' b- x% `8 _1 i) @distances between these live parts and the standard test finger are too short. This means that
/ R$ l. l7 Y6 i! Z, Y$ Othese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the9 }8 g/ a6 b- A9 W+ }3 E) q$ |
corresponding enclosure leakage currents shall be measured, and hence, many existing3 a" Z8 f; ~4 C/ ^
standard SIP/SOPs fail to comply with the standard.3 N2 s3 Y) A9 A5 N/ M: s6 t
Should, for instance, concession be granted for SIP/SOPs with accessible live parts with a; E, o# s' |6 a1 ?( q L
voltage (to earth) not exceeding 25V AC or 60V DC?7 O* ]% P' A! _8 \% i( i: h
Decision:" E" K& {! _' r( `
Include SIP/SOP in the list of sub-clause 16e)1.
! H3 S$ ]; p, S* I2 H8 c2 j, uInstructions 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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