DC Power

Our innovative DC power supply category features devices for R&D, design, quality control and production. Multiple output power supplies have more than one DC output and are used for systems needing multiple voltages. Triple-output devices are commonly used during circuit development. Constant voltage/current devices, such as the G-Series by Instek, provide regulated output across varying loads. Our versatile selection of power supplies provides programmable, computer-operated models from a number of leading manufacturers, including B&K Precision. We also offer many models from Keysight Technologies with purer power, reliable regulation and fast transient responses.  Be sure to check out Rigol power supplies for high performance and affordable entry-level models.

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  • GW Instek PFR-100LGL Multi-Range Power Supply, GPIB/LAN (0-50V/0-10A/100W) Fanless
    GW Instek PFR-100LGL Multi-Range Power Supply, GPIB/LAN (0-50V/0-10A/100W) Fanless
    Order # PFR-100LGL Mfg # PFR-100LGL
    $1,090.00
  • GW Instek PFR-100L (LAN) Fanless Multi-range DC Power Supply, LAN, 0-50V/0-10A, 100W
    GW Instek PFR-100L (LAN) Fanless Multi-range DC Power Supply, LAN, 0-50V/0-10A, 100W
    Order # PFR-100L (LAN) Mfg # PFR-100L (LAN)
    $978.00
  • New
    GW Instek ASR-3300 3KVA Power Source, AC/DC
    GW Instek ASR-3300 3KVA Power Source, AC/DC
    Order # ASR-3300 Mfg # ASR-3300
    $8,914.00
  • GW Instek ASR-2100 Programmable AC/DC Source (USB + LAN) 1000VA
    GW Instek ASR-2100 Programmable AC/DC Source (USB + LAN) 1000VA
    Order # ASR-2100 Mfg # ASR-2100
    $3,647.00

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  • GW Instek ASR-2050 Programmable AC/DC Source (USB+ LAN) 500VA
    GW Instek ASR-2050 Programmable AC/DC Source (USB+ LAN) 500VA
    Order # ASR-2050 Mfg # ASR-2050
    $2,691.00
  • GW Instek ASR-002 External Three-Phase Control Unit
    GW Instek ASR-002 External Three-Phase Control Unit
    Order # ASR-002 Mfg # ASR-002
    $2,041.00
  • GW Instek PSW 160-21.6 Programmable Power Supply, DC Auto. 1080W; 0-160V, 0-21.6A
    GW Instek PSW 160-21.6 Programmable Power Supply, DC Auto-ranging 1080W; 0-160V, 0-21.6A
    Order # PSW 160-21.6 Mfg # PSW 160-21.6
    $2,855.00
  • GW Instek PSW 250-13.5 Programmable DC Power Supply, 250VDC, Auto-ranging, 1080W
    GW Instek PSW 250-13.5 Programmable DC Power Supply, 250VDC, Auto-ranging, 1080W
    Order # PSW 250-13.5 Mfg # PSW 250-13.5
    $3,570.00
  • GW Instek PSW 250-4.5 Programmable DC Power Supply, 250VDC, Auto-ranging, 360W
    GW Instek PSW 250-4.5 Programmable DC Power Supply, 250VDC, Auto-ranging, 360W
    Order # PSW 250-4.5 Mfg # PSW 250-4.5
    $1,815.00
  • GW Instek PSW 250-9 Programmable DC Power Supply, 250VDC, Auto-ranging (720W)
    GW Instek PSW 250-9 Programmable DC Power Supply, 250VDC, Auto-ranging (720W)
    Order # PSW 250-9 Mfg # PSW 250-9
    $2,541.00
  • GW Instek PSW 30-72 Programmable DC Power Supply, Autorange, 720W; 0-30V, 0-72A
    GW Instek PSW 30-72 Programmable DC Power Supply, Autorange, 720W; 0-30V, 0-72A
    Order # PSW 30-72 Mfg # PSW 30-72
    $1,992.00
  • GW Instek PSW 40-27 Programmable DC Power Supply, Autorange 360W; 0-40V, 0-27A
    GW Instek PSW 40-27 Programmable DC Power Supply, Autorange 360W; 0-40V, 0-27A
    Order # PSW 40-27 Mfg # PSW 40-27
    $1,630.00
  • GW Instek PSW 40-54 Programmable DC Power Supply, Autorange 720W; 0-40V, 0-54A
    GW Instek PSW 40-54 Programmable DC Power Supply, Autorange 720W; 0-40V, 0-54A
    Order # PSW 40-54 Mfg # PSW 40-54
    $1,992.00
  • GW Instek PSW 40-81 Programmable DC Power Supply, Autorange 1080W; 0-81V, 0-81A
    GW Instek PSW 40-81 Programmable DC Power Supply, Autorange 1080W; 0-81V, 0-81A
    Order # PSW 40-81 Mfg # PSW 40-81
    $2,596.00
  • GW Instek PSW 800-1.44 Programmable DC Power Supply, 800VDC Auto-ranging 360W
    GW Instek PSW 800-1.44 Programmable DC Power Supply, 800VDC Auto-ranging 360W
    Order # PSW 800-1.44 Mfg # PSW 800-1.44
    $1,936.00
  • GW Instek PSW 800-2.88 Programmable DC Power Supply, 800VDC Auto-ranging 720W
    GW Instek PSW 800-2.88 Programmable DC Power Supply, 800VDC Auto-ranging 720W
    Order # PSW 800-2.88 Mfg # PSW 800-2.88
    $2,662.00
  • GW Instek PSW 800-4.32 Programmable DC Power Supply, 800VDC Auto-ranging 1080W
    GW Instek PSW 800-4.32 Programmable DC Power Supply, 800VDC Auto-ranging 1080W
    Order # PSW 800-4.32 Mfg # PSW 800-4.32
    $3,691.00
  • GW Instek PSW 80-27 Programmable DC Power Supply, Autorange 720W; 0-80V, 0-27A
    GW Instek PSW 80-27 Programmable DC Power Supply, Autorange 720W; 0-80V, 0-27A
    Order # PSW 80-27 Mfg # PSW 80-27
    $1,992.00
  • GW Instek PSW-1080H666 Triple-channel switching DC Power supply, 250/250/250V, 1080W
    GW Instek PSW-1080H666 Triple-channel switching DC Power supply, 250/250/250V, 1080W
    Order # PSW-1080H666 Mfg # PSW-1080H666
    $3,960.00
  • GW Instek PSW-1080H668 Triple-channel switching DC Power supply, 250/250/800V, 1080W
    GW Instek PSW-1080H668 Triple-channel switching DC Power supply, 250/250/800V, 1080W
    Order # PSW-1080H668 Mfg # PSW-1080H668
    $4,048.00
  • GW Instek PSW-1080H688 Triple-channel switching DC Power supply, 250/800/800V, 1080W
    GW Instek PSW-1080H688 Triple-channel switching DC Power supply, 250/800/800V, 1080W
    Order # PSW-1080H688 Mfg # PSW-1080H688
    $4,136.00
  • GW Instek PSW-1080H888 Triple-channel switching DC Power supply, 800/800/800V, 1080W
    GW Instek PSW-1080H888 Triple-channel switching DC Power supply, 800/800/800V, 1080W
    Order # PSW-1080H888 Mfg # PSW-1080H888
    $4,224.00
  • GW Instek PSW-1080L112 Triple-channel switching DC Power supply, 30/30/40V, 1080W
    GW Instek PSW-1080L112 Triple-channel switching DC Power supply, 30/30/40V, 1080W
    Order # PSW-1080L112 Mfg # PSW-1080L112
    $3,566.00
  • GW Instek PSW-1080L114 Triple-channel switching DC Power supply, 30/30/80V, 1080W
    GW Instek PSW-1080L114 Triple-channel switching DC Power supply, 30/30/80V, 1080W
    Order # PSW-1080L114 Mfg # PSW-1080L114
    $3,566.00
  • GW Instek PSW-1080L115 Triple-channel switching DC Power supply, 30/30/160V, 1080W
    GW Instek PSW-1080L115 Triple-channel switching DC Power supply, 30/30/160V, 1080W
    Order # PSW-1080L115 Mfg # PSW-1080L115
    $3,685.00
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