|
|
|  DSH 4042 K7 T- B2 ?8 E
8 [5 N( a$ S3 I, R; ]$ y8 [ | Enclosures and protective covers
8 R+ w# W% d8 R, w: ^, l Q | 16# Y# y, Z4 ~) H6 R2 A& i
| 60601-1(ed.2);am1;am2) y; U7 i0 W. q, ?% v3 k2 J' n
|
& f) k7 Q( q9 \5 B& T* e
Standard(s)- (year and edition):
D5 W( |) b4 e, ~) B! IIEC 60601-1:1988 Ed.2 Am1+Am2
" |5 a2 ^5 M5 X/ e, C) l' f% o4 uSub clause(s): 16! b L& @! P# R: M# O
Sheet n°: DSH-4046 z, x: `+ F" r
Subject: ENCLOSURES and PROTECTIVE COVERS
% s. m! Y8 a0 h# s% t7 JKey words: ENCLOSURES, PROTECTIVE COVERS, SIP/SOP& C. L3 P1 Z, F/ x& \
Confirmed by CTL at its 39th meeting, in Cologne9 A, p4 i1 r9 w# [" J
Question:
4 j6 _4 i# C w7 IIn practice, many standard SIP/SOPs are constructed so that live parts of the SIP/SOPs are
3 a6 \% G! e6 y; H! paccessible with the standard test finger or, alternatively, the air clearances and/or creepage
' y- t4 z# V! l/ ]1 T' Bdistances between these live parts and the standard test finger are too short. This means that
. `# A3 c' r4 hthese live parts of SIP/SOPs are to be considered as part of the enclosure and therefore the
5 a# R" X; O, ^1 h* \corresponding enclosure leakage currents shall be measured, and hence, many existing
# b- J h+ K; _. pstandard SIP/SOPs fail to comply with the standard.
" r8 Y3 A& ^+ gShould, for instance, concession be granted for SIP/SOPs with accessible live parts with a
, V: T y; f7 p9 |9 | Avoltage (to earth) not exceeding 25V AC or 60V DC?( k7 o0 b# X0 I7 K) y7 o3 z+ y+ N
Decision:
1 ]' T& ^3 H$ @3 f0 t; tInclude SIP/SOP in the list of sub-clause 16e)1.- k. z/ S& \$ A, s. t
Instructions for use must contain the warning given in 16a)5.
6 `( i- I" D3 d9 g" H0 G' T# c$ V- O' x' i! s& |
6 {$ P* Z4 l9 L6 t
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-11-5 11:43
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡