Keithley Series 2380 programmable DC electronic loads can sink a wide range of voltages and currents. The 200 W model 2380-500-15 ( 917-6569 ) can accept up to 500 V or 15 A. The 250 W model 2380-120-60 ( 917-6566 ) can accept up to 120 V or 60 A. The 750