The 6051A 600 Watt Electronic Load Mainframe along with the 60502A and 60501A power modules (not included) is designed for test, evaluation, and burn-in of DC power supplies, batteries, and power components. The unit is suitable for bench use. The front panel keypad allows easy, repeatable, and reliable front panel controlof the load when it is used manually. Front panel settings are remembered after AC power is removed. The front panel LCD meters indicate voltage, current, and power readings of the selected channel.