The GW Instek PSW Series of Multi-Range DC Power Supplies encompasses a power range as high as 1080 W. These power supplies have one output. They can be linked in series for two units at the most or in parallel for up to three units. The standard interface on the PSW Series DC Power Supplies is LAN, USB, or analog control interface. These DC Power Supplies has constant voltage and constant current capabilities, are extremely efficient, and have a slew rate which can be altered. Over current and over voltage protection levels can be specified by the user to prevent harm to the DUT.