The Master Load 750 Load Bank is designed for electrically loading and testing power sources. The unit is designed for production line and job site use. The total loading capability of the Master Load 750 is in fixed steps of 25, 25, 50, 50, 100, 250, 250 Amps @ 50V AC or DC, totaling 750 Amps. Using the toggle switches on the control panel, any combination of the available load steps may be selected to achieve a desired load.