Additional Features: Voltage: 0-8V Current: 0-50A Power: 500W Low-noise output Linear output regulation Overvoltage & overcurrent protection Fast up & down programming Auto-parallel and series operation Fan speed control for low acoustic noise UL listed, CSA certified The Agilent 6551A is a reliable 500 W DC power supply that can be controlled either from the front panel or via an analog programming voltage. When used in a test system, the fast up and down programming helps decrease test time.