Check the listing for details. 0-30V 0-6a Lab DC Bench Power Supply Variable Linear Adjustable Power Supply. Condition: New. Listed at 47.41 USD. Specifications Model: NPS306W Input powerAC 110V, 60Hz Output voltage: 0-30Vfor NPS306W Output current: 0-6A for NPS306W Output power: 180W for NPS306W working temperature0 - 40 ; relative humidity: < 80% RH Storage temperature-10 ~ 70 ; relative humidity: < 70% RH Constant Voltage Operation: Voltage stability0.1% ± 3MV Load stability: 0.2% ± 3MV Ripple voltage: ≤ 0.5% Vp-p Continuously adjustable from 0 to rated voltage Constant Current Operation: Current stability: 0.1% ± 3mA Ripple current: ≤ 0.5% Vp-p Recovery time: ≤ 500 μ s Temperature coefficient: ≤ 100ppm / to rated current continuously adjustable Head display : Three window digital tube display: voltage, current, power Display accuracy: 0.5% + 3 words Display staging rate: voltage 0.1V, current 0.01A, power 0.1w/1w.