For example: Agilent E4440A or Anritsu 68369
TDK-Lambda DC Power Supplies
TDK-Lambda EMS 60-80-2-D-LB
DC Power Supply, 60 V, 80 A, 4800 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda EMS 7.5-300-2-D
DC Power Supply, 7.5 V, 300 A, 2250 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 10-1000
DC Power Supply, 10 V, 1000 A, 10000 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 100-100
DC Power Supply, 100 V, 100 A, 10000 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 100-150
DC Power Supply, 100 V, 150 A, 15000 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 12.5-800
DC Power Supply, 12.5 V, 800 A, 10000 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 125-125
DC Power Supply, 125 V, 125 A, 15000 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 130-115-2-D-RSTL
DC Power Supply, 130 V, 115 A, 14950 W, Programmable
Manufacturer: TDK-Lambda
TDK-Lambda ESS 150-100
DC Power Supply, 150 V, 100 A, 15000 W, Programmable
Manufacturer: TDK-Lambda