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LED电源做UL1310标准
引用第10楼shenlinlqcel于2011-03-21 14:55发表的 :& j% h1 c; _: I5 A2 T
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...............251-600(353.6-848.5)基本绝缘距离为6.4mm,加强绝缘还要乘以2+ y( {" a9 C# L& Z1 k; k- ^/ i
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依照UL1310, 可以不考虑双重绝缘的, 除非产品有此标志(通常UL1310的产品都不标“回”标记)
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: i; F$ F" e" l, A5 v简单的说,不标“回”标记的产品内所有考虑的绝缘距离都依据表格24.1或24.2, 无需要额外乘2. |
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