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以下内容摘录自UL1414
3.2 CLASS X1 COMPONENT – A capacitor or suppressor that is connected across a line circuit.
. ~" o1 g/ x! ]3.3 CLASS Y1 CAPACITOR – A capacitor that is connected from an accessible metal part to a nominal
( y5 _; S( T" p/ P s% P9 f250 V line circuit within an appliance.
9 r: ?" w. t$ x3.4 CLASS Y2 CAPACITOR – A capacitor that is connected from an accessible metal part to a nominal
0 d7 W+ i6 D4 Z, }125 V line circuit within a double insulated appliance, or a capacitor that is connected from an* D8 D. I$ T7 U% \2 J; G
accessible metal part to a nominal 250 V line circuit within a grounded appliance. |
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