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本帖最后由 jansle_happy 于 2020-12-8 10:08 编辑
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请教大神IEC60335-1:2020以下蓝色内容怎么理解,看起来好像和上边的都没什么关系啊3 D- i+ X) @( C L% k
5.13 The tests for appliances with PTC heating elements and for heating appliances and combined appliances where the heating elements are supplied via a switch mode power supply are carried out at a voltage corresponding to the specified power input., `, P6 I- n a
When a power input greater than the rated power input is specified, the factor for multiplying the voltage is equal to the square root of the factor for multiplying the power input.% c4 x( S) {. G; b) j# f
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