RBL488 series 800, 2000, 4000 Watts. Dynaloads up to 1000 Volts and 1000 Amps 

Operation below 0.5V at 1000 amps

Ratings from 0-100, 0 - 400V (RBL 1000V only), 0-600 amps, up to 4000 watts  in a single unit, paralleled capacity of up to 8, 16 or 20 kW.

Front Panel, Analog, IEEE-488, or RS-232 Control.

Current and Voltage Range Selection. 

Constant Current, Resistance, Voltage, Power.

Operation at a Fraction of 1 Volt.

High Speed Adjustable Slew Rate.

Software Drivers Available.

Master/Slave Paralleling.

Five modes of operation: Constant Current, Constant Resistance, Constant Power, Constant Voltage, Pulse Mode.