Product Description Power Ten model P63C-20330A DC power supply. Used, in very good condition. Variable output up to 20V 330A (6.6kW). To view a full specification sheet (PDF), click here. Specifications: Input Power:Voltage 190-253VAC Three PhaseFrequency 47-63Hz Output Power:Continuously variable up to 20VDC 330A (6.6kW).Has 10-turn potentiometers to adjust voltage and current settings that are displayed simultaneously. Regulation:Voltage: 0.1% of max. output voltage.Current: 0.5% of max. output current. Transient Response:A 30% step load will recover to within 2% of original value within 10ms. Stability:?0.05% of set point 8 hours after 30 minute warm-up time at fixed line, load and temperature Dimensions:5.25" H x 19" W x 22" D Weight65 lbs.