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本帖最后由 清水白菜 于 2013-3-7 11:23 编辑 * `& H. x0 x- w9 X
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提供个IEC 60065里的要求供参考: 初级保险丝小于6A的,保险丝后面的绝缘可不考虑, 大于6A的(考量为DIRECTLY CONNECTED TO THE MAINS),保险丝之后及整流桥之前都必须满足基本绝缘。
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- r5 x# O; `$ F: r/ l0 N oDIRECTLY CONNECTED TO THE MAINS: n& x5 F, Q; Q0 G7 H
electrical connection with the MAINS in such a way that a connection to either pole of the MAINS
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NOTE A current of 9 A is chosen as the minimum breaking current of a 6 A fuse. |
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