switching power supply, ac dc power supply, DIN rail power supply, DC power supply, UPS, stabilizer, on-line UPS We produce switching power supply, ac dc power supply, DIN rail power supply, DC power supply. The DC Power supply is automatic constant-voltage/ ... fixed 5V3A.The output can be connected in paralled or series to get multiple output currents or voltages.CHARACTERISTICInput voltage:220VAC ...