IP20防护等级是多少？_百度知道
07 July 2025 admin
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IP20防护等级的含义： 防尘等级：防止人的手指接触到电器内部的零件，防止中等尺寸（直径大于12.5mm）的外物侵入。 防水等级：对水或湿气无特殊的防护。 以IP后跟随两个数字来表述的防护等级中，数字用来明确防护的等级。 第一位数字表明设备抗微尘的范围，或者是人们在密封环境中免受危害 ...
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