2231A-30-3 Keithley DC Power Supply



  • Two channels with maximum output of 30V and 3A (90W)
  • One channel with maximum output of 5V and 3A (15W)
  • Max Power: 195W
  • Display shows voltage and current for all 3 channels simultaneously
  • Get three isolated, independent,and adjustable outputs in one instrument
  • Set voltage outputs with 0.06% basic accuracy and current outputs with 0.2% basic accuracy
  • Output DC power with less than 5mVp-p noise
  • Display voltage and current measurements continuously from all three outputs
  • Double output levels by connecting the two 30V channels in series or parallel
  • Store frequently used configurations in any of 30 setup memory locations
  • Turn off any output after a predetermined test time with each channel’s output timer
  • Control the supply from a PC with an optional USB adapter


  • 195 W
  • 30 V
  • 3 A

The Keithley 2231A-30-3 Triple Channel DC Power Supply can output a total of 195W of power, providing the power levels needed to energize a wide range of circuits and devices for benchtop work. Two channels can supply up to 30V at 3A each; the third channel can provide up to 5V at 3A. The Model 2231A-30-1 does not compromise on performance or convenience features, offering the versatility and ease of use you need, so it can be the only DC power supply on your bench.

More Information
Current3 A
Voltage30 V
Power195 W
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