wuybpujr 发表于 2008-7-15 22:03

UL60065标准中clause14.6.1的理解

如何理解如下的内容,请大侠们指教指教,不胜感激!
A rating of a mains switch or relay, provided on audio apparatus intended for commercial use, is to be equal to or greater than the maximum steady state(r.m.s) current it controls under normal operating conditions, except the audio output is adjusted to one-third maximum undistorted power output or at one-third of the manufactuer's rated output, whichever is greater.
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