DC Power Supply, Output Volts (DC) 0 to 30V, Output Current (Amps) 0 to 3 A, Current Limits 0 Percent to 100 Percent, Ripple Volts Regulation Greater Than or Equal 5 mVrms, Line Volts Regulation Greater Than or Equal 0.05 Percent + 1mV, Load Regulation Greater Than or Equal 0.05 Percent + 1mV, Line Regulation Greater Than or Equal 0.04 Percent + 1mA, Meter Type Digital, 110/240V AC Input Voltage, Input Frequency (Hz) 50 to 60 Hz, Short Circuit and Reverse Polarity Protection