Irwin Powerbase S5 Blue. Designed specifically for the education laboratory, the ABS case provides unique strength, electrical safety and practicality in storage and use. The comprehensive range of output in both AC and DC provides for all requirements in the teaching lab. The output current is fixed at amp maximum to offer sufficient power for experiments such as optics, circuit investigations, heat experiments, practical work in the studies of electricity, understanding current and voltage in physics and also has applications where power is required in Chemistry and Biology.• Output Voltages: 3, 7, 10,13, 17, 20V capacitor smoothed DC; 3, 6, 8, 11, 13, 15V AC• Output Current: 5A• Output limit Allen key operated maximum voltage lock• Protection: Push button thermal cut-out• Fusing: 2A, 20mm glass fuse internal• Mains Input: 230/240V ac, 50Hz