Power Ten model 3411D-7.5250 variable DC power supply, 7.5V 250A

Power Ten model 3411D-7.5250 DC power supply. Variable output up to 7.5V 250A. Used, in good/fair condition with some minor scratches and/or dents on some units (see pictures). The units were manufactured and labeled by PowerTen, and have either "Dallas Semiconductor," or "Wakefield Systems" printed on the front panel. To view a full specification sheet (PDF), click here. Specifications: Input Power: Voltage 190-253VAC Frequency 47-63Hz Single phase Output Power: Continuously variable up to 7.5VDC 250A (2kW). Has 10-turn potentiometers to adjust voltage and current settings that are displayed simultaneously. Regulation: Voltage: 0.1% of max. output voltage. Current: 0.1% of max. output current. Transient Response: A 30% step load will recover to within 2% of final value within 10ms. Stability: ±0.05% of set point 8 hours after 30 minute warm-up time at fixed line, load and temperature Dimensions: 3.5" H x 19" W x 18.5" D Weight 30 lbs.