For example: Agilent E4440A or Anritsu 68369
Electronic Loads
Keysight / Agilent N3303A
250 Watt Electronic Load Module, 0-240V, 0-10A
Manufacturer: Keysight / Agilent
Keysight / Agilent N3307A
250 Watt Electronic Load Module, 0-150V,0-30A
Manufacturer: Keysight / Agilent
American Reliance PEL 7.5K-1
7.5K W, 600 V, 600 A Programmable Electronic Load
Manufacturer: American Reliance
Kikusui PLZ150U
PLZ150U Modular Multifunction Electronic Load (CC/CV/CR/Zero volt input)
Manufacturer: Kikusui
Sorensen SLH-300-12-1200
300V, 12A, 1200W rack mounted, programmable AC/DC load
Manufacturer: Sorensen