The Extech 382280 is a Programmable 200 Watt DC Power Supply that has an adjustable 40V/5A output plus two fixed outputs (5V/2A and 3.3V/3A) and memory for 200 setups for repetitive product tests. It features high stability with low ripple and noise, 0 to 60 second programmable overload delay timer, selectable Constant Current/Constant Voltage, and a bi-directional PC interface that allows setup and read back using virtually any PC communications program.