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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 :
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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, B6 r+ l7 F( T' K( C+ f
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! S6 a5 p3 A) D) b; X( \* }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)& _1 z" e; M% `
24.12 Units, which are marked ²Double Insulated² or marked with the symbol for double insulation, shall be investigated to the Standard for Double Insulation Systems for Use in Electronic Equipment, UL 2097.1 V$ v+ p Z6 ?* A
7 I1 \& |3 S! C( }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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