The models 1651A & 1652 are Triple OutputDC Power Supplies with two variable 0 to24 VDC outputs capable of supplying 0 to500 mA, and one fixed 5 VDC output capableof supplying up to 4 A. Connect outputs inseries for higher voltage or connect in parallelfor higher current output (switch selectable).Voltage and current metering is provided by two,three-digit LED displays (model 1652) or twoanalog displays (model 1651A). These units arefully protected against short circuit, overload,and reverse polarity.