安规网

标题: DSH 475 Marking and instructions [打印本页]

作者: 小米    时间: 2012-9-12 12:39
标题: DSH 475 Marking and instructions
DSH 475
. J! K  y+ t  H, a0 ]- T

. [* Z8 x/ z! i2 ], I( X: Q, k8 X
Marking and instructions
7 u9 {4 i' a- g- Y; f. X. H
7.10
6 T, s* i/ M9 c1 N
60335-1(ed.3)9 k  |5 |9 Q: g+ j$ y. S7 ]% N

0 _! i" T/ x) {" c; w( A* {Standard: IEC 60335-1:1991, 3rd Ed.
3 j0 G5 Y4 T2 c0 D9 l0 v0 y2 x/ U" K* mSub clause: 7.10) \% \0 s, n& ?; W1 H. p3 z6 ^  s
Sheet No. DSH-475
' R, s9 X6 ^. P9 cSubject: Marking and instructions
0 `% w8 [9 A# z- M- j/ z3 oKey words: - marking
+ X. t9 G6 H% O( u! ~Decision taken at the 40th CTL meeting 2003
' w& ?. N) x+ S# {) Q1 K7 EQuestion:
, l* T" ~$ q9 o* i$ PDoes a push-push mains switch need to be marked to indicate on/off positions?. f2 A9 Q) Z2 B( j4 N! Y8 N
Rationale:
7 d0 u) h8 |" V) Y( [" YSee question.
# W9 F9 p( @' K! aDecision:
' `1 X: g) U/ ]" q& _A push-push mains switch for stationary appliances needs a visual means (e.g. according to9 m# Q% H- ?4 R" o$ ]
IEC 417 "Graphical symbols for use on equipment") or a lamp to indicate clearly whether
7 f3 }- r4 Y/ M5 g) T0 d1 Jthe switch is in the on/off position. The marking should be on or near the switch.+ Z' N1 T) N$ w, y) _( E" s* W* e

2 `. ^! o9 k# y. H* v* K9 y8 b[attach]75858[/attach]# k. I8 H% n1 t( c* J





欢迎光临 安规网 (http://bbs2.angui.org/) Powered by Discuz! X3.2