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|  DSH 475
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| Marking and instructions" T/ n1 w$ i& O: U, ?& }# p7 @# T% c2 p
| 7.10. s2 }' y$ m |9 Q2 Y- ^
| 60335-1(ed.3)
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" l4 I6 X" s* T% i9 o) nStandard: IEC 60335-1:1991, 3rd Ed.5 \2 z4 F9 ~: Q, _! V7 ^/ C
Sub clause: 7.10
: q& z! u/ V) ~* _1 \ dSheet No. DSH-475
1 l- e6 a x CSubject: Marking and instructions
0 i, N3 Q- B2 G: S* MKey words: - marking
8 c3 O- k' X5 B9 @Decision taken at the 40th CTL meeting 2003+ U2 ^$ x" T) _1 O! r# Z) t! X7 t+ P1 Q
Question: L4 l5 N, U; V
Does a push-push mains switch need to be marked to indicate on/off positions?
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- P& J% y2 w7 s+ ?% C! c7 L( w9 ?See question.$ B$ y+ @0 [7 o% n! J* h8 Y
Decision:
8 F$ X7 Q& c+ C2 B- JA push-push mains switch for stationary appliances needs a visual means (e.g. according to' v5 N7 `/ j+ e# @
IEC 417 "Graphical symbols for use on equipment") or a lamp to indicate clearly whether2 @: \. M3 O1 ?2 {
the switch is in the on/off position. The marking should be on or near the switch.
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发表于 2012-9-12 12:39
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