Economical Bench Power Supply 0-50Volts, 0-3 Amps (CSI5003XE) Output Voltage (CV): 0-50VDC / Output Current(CC):0-3 Amps Ripple: 1.5mVrms / Line Regulation (CV): &lt; 0.01%+5mV / Line Regulation:(CC): &lt;0.01% + 5mV Load Regulation (CV): &lt;0.01% +5mV / Input Voltage: 110VAC +/- 10% ( not swtchable to 220 VAC ) Display Accuracy Voltage: 100mV+/- 1 digit / Display Accuracy Current: 10mA+/- 2 digits Output Control: Single turn knob / Cooling: fan / Design Type: Linear