switching power supply 220v CE certificate,supply all kinds of power supply:from 40w ... to 500w 250w power supply,36v switching power supply 220v Features: 1) High efficiency, low operation temperature 2) Built-in ... : overload, short circuit 5) Competitive price, high reliability 6) Input: 110V / 220V AC, selected by switch 7) Dimensions: 199*110*50MM 8 ...