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本帖最后由 leaphile 于 2014-6-10 22:28 编辑
3 R! v& e5 N. P+ E) H# [718826712 发表于 2014-6-10 17:03  ( R0 `& I1 v: _0 k/ p' j
我的意思是，有什么标准能证明，证书：220-240V、50/60Hz,700-850W,铭牌不能随意配对的标示，比如230V，5 ...
看了标准IEC60335-1, 没看到哪里明确写出"铭牌不能随意配对"
( K5 [& e) K5 a1 p% T7 B8 c但是个人理解:
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, t1 c9 X% c& }; e& L( w1. 一个电压只会对应一个功率 (哪里有写则不知道  )如果铭牌能随意配对, 一个电压不只对应一个功率
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2. Clause 7.5写道1 A& r& [' }9 N, M! `) w$ t# w: p
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For appliance marked with more than one rated voltage or with one or more rated voltage ranges, the rated power input or rated current for each of these voltages or ranges shall be marked...., P- M6 }1 S' ^) _$ j6 h; w* B
& o% a1 Y9 o, _! g! K# { rThe upper and lower limits of the rated power input or rated current shall be marked on the appliance so that the relation between input and voltage is clear.
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% q' D* f( `- k% y1 J) W. \' K5 J因此, 我会这样理解铭牌:-
) B3 a2 k/ Y2 W; p1 L3 r$ K220-240V ~ 700-850W * C. U6 K f- H
= 220V ~ 700W & 240V ~ 850W
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发表于 2014-6-10 16:22