When you need power and need to save money, consider the HP 6428B Power Supply. And talk about power, how about continuously variable from 0 to 20 V at up to 45 amps! Quality output is accomplished utilizing SCR-regulation for good regulation and ripple characteristics. You'll never wonder about output status thanks to large, easy-to-read panel meters continually monitoring output voltage and current conditions. In addition to the overload protection inherent in constant voltage/constant current operation, there are other built-in protective features including reverse voltage protection and fused AC input. On top of all this you're also provided with input and output power, remote sensing, remote programming, and auto-series, -parallel, and -tracking connections available on rear panel bus bars and terminal blocks. Quality, Low Cost Power and Guaranteed Satisfaction it's all yours with the HP 6428B!