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IEC 60335-1中:Surfaces of handles, knobs, grips and similar parts which are held for short periods only innormal use (e.g. switches): 塑料把手限值:60k;
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P3 }# Q) N! ?9 g) B9 v5 m- g(e.g. soldering irons):塑料把手限值:50k。. L R( n- n# _8 j
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问题:这个short period 和 continuously有标准规定具体的时间判断吗?
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