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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 :4 `( M1 U2 A! K! [. l3 A; P3 _
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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& p5 F8 z) w9 z/ w
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7 |0 u& q/ t* A* ~$ A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)
: w+ l0 K8 Z2 B" z3 o0 N24.12 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 2097.3 |( P2 v, Z8 ?$ K# k% H
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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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