For example: Agilent E4440A or Anritsu 68369
Advanced Power System - Dynamic DC Power Supply, 40 V, 50 A, 2000 W

Model:N7972A

Manufactured by: Keysight / Agilent

Category:DC Power Supplies

Keysight / Agilent N7972A Overview

Description 
The N7900 Series DC power supplies are designed for automated test equipment (ATE) applications where high performance is critical. 
If you are looking for ATE applications where high-speed dynamic sourcing and measurement is needed see the APS N7900 Series power supplies. 
Turn any APS power supply into not only a source but a load as well, which is great for power storage applications. Add full, 2-quadrant operation to any APS power supply with the N7909A APS power dissipater unit. 

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