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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 :! v! \$ V1 F# J, h" W
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$ Y2 `, @9 N# u...............251-600(353.6-848.5)基本绝缘距离为6.4mm,加强绝缘还要乘以2/ X9 n* q, t2 D' d. w4 ]
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6 n; X- k W$ [* u* ^4 @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)/ F0 A7 @; `7 V" d0 } E
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.
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4 v' l) R: J# B5 j, w# H, ?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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