Programmable DC Electronic Load, 500V / 30A / 750W, GPIB, USB, and RS232 Interfaces. Unit sold with 36 months warranty. The Keithley 2380-500-30 is a DC Electronic Load with power of 750 W. Voltage: 500 V Current: 30 A Power: 750 W Operating modes: Constant current (CC) Constant voltage (CV) Constant resistance (CR) Constant power (CP) LED simulated load test mode Readback voltage and current resolution down to 0.1 mV / 0.01 mA Dynamic mode with cycle rate up to 25 kHz Voltage rise and fall time measurement Current monitor function List mode Battery test mode Built-in GPIB,USB, and RS-232 interfaces