DC Power Supplies

A direct current (DC) power supply gives electric energy of fixed polarity. DC power sources can provide either positive or negative electric energy. A DC power supply takes energy from a power input and gives it to a power output. Input can come from batteries, generators, fuel cells, solar power converters, or alternators. The DC power source harnesses the energy and gives it to an electrical load. You can power a DC supply with a DC or alternate current (AC) source.

ValueTronics buys and sells DC power supplies from top industry brands, such as BK Precision, Instek, Sorensen, and dozens more. A DC supply powers many types of test equipment.

1730 products

  • new
    PSW-1080L245 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L245 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,350
    $3,350 $3,350
    Specs
    • Volts : 40 V
    • Manufacturer : Instek
    • Current : 27 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L245

    Condition : New

    Volts : 40 V

    Manufacturer : Instek

    Current : 27 A

    Power : 1.08 kW

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  • new
    NGA142 Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    NGA142 Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $2,060
    $2,060 $2,060
    Specs
    • Volts : 100 V
    • Manufacturer : Rohde & Schwarz
    • Current : 2 A
    • Power : 80 W
    Show Specs

    Model No : NGA142

    Condition : New

    Volts : 100 V

    Manufacturer : Rohde & Schwarz

    Current : 2 A

    Power : 80 W

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  • new
    PSW-720L24 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720L24 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,432
    $2,432 $2,432
    Specs
    • Volts : 80 V
    • Manufacturer : Instek
    • Current : 13.5 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720L24

    Condition : New

    Volts : 80 V

    Manufacturer : Instek

    Current : 13.5 A

    Power : 720 W

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  • new
    PSW-1080L455 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L455 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,458
    $3,458 $3,458
    Specs
    • Volts : 80 V
    • Manufacturer : Instek
    • Current : 13.5 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L455

    Condition : New

    Volts : 80 V

    Manufacturer : Instek

    Current : 13.5 A

    Power : 1.08 kW

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  • new
    PSW-720H68 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720H68 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,790
    $2,790 $2,790
    Specs
    • Volts : 250 V
    • Manufacturer : Instek
    • Current : 4.5 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720H68

    Condition : New

    Volts : 250 V

    Manufacturer : Instek

    Current : 4.5 A

    Power : 720 W

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  • HPS20K800-400V BK Precision DC Power Supply-ValueTronics
    DC Power Supplies

    HPS20K800-400V BK Precision DC Power Supply

    DC Power Supplies
    $16,700
    $16,700 $16,700
    Specs
    Show Specs

    Model No : HPS20K800-400V

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  • new
    NGM202 Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    NGM202 Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $6,825
    $6,825 $6,825
    Specs
    • Volts : 20 V
    • Manufacturer : Rohde & Schwarz
    • Current : 6 A
    • Power : 120 W
    Show Specs

    Model No : NGM202

    Condition : New

    Volts : 20 V

    Manufacturer : Rohde & Schwarz

    Current : 6 A

    Power : 120 W

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  • new
    NGE103B Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    NGE103B Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $1,430
    $1,430 $1,430
    Specs
    • Volts : 32 V
    • Manufacturer : Rohde & Schwarz
    • Current : 3 A
    • Power : 100 W
    Show Specs

    Model No : NGE103B

    Condition : New

    Volts : 32 V

    Manufacturer : Rohde & Schwarz

    Current : 3 A

    Power : 100 W

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  • new
    PSW-1080H888 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080H888 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,840
    $3,840 $3,840
    Specs
    • Volts : 800 V
    • Manufacturer : Instek
    • Current : 1.44 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080H888

    Condition : New

    Volts : 800 V

    Manufacturer : Instek

    Current : 1.44 A

    Power : 1.08 kW

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  • new
    PSW-720L12 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720L12 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,432
    $2,432 $2,432
    Specs
    • Volts : 40 V
    • Manufacturer : Instek
    • Current : 27 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720L12

    Condition : New

    Volts : 40 V

    Manufacturer : Instek

    Current : 27 A

    Power : 720 W

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  • new
    PSW-1080L255 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L255 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,458
    $3,458 $3,458
    Specs
    • Volts : 40 V
    • Manufacturer : Instek
    • Current : 27 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L255

    Condition : New

    Volts : 40 V

    Manufacturer : Instek

    Current : 27 A

    Power : 1.08 kW

    Add to Quote
  • new
    NGL-COM2B Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    NGL-COM2B Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $4,100
    $4,100 $4,100
    Specs
    • Volts : 20 V
    • Manufacturer : Rohde & Schwarz
    • Current : 6 A
    • Power : 120 W
    Show Specs

    Model No : NGL-COM2B

    Condition : New

    Volts : 20 V

    Manufacturer : Rohde & Schwarz

    Current : 6 A

    Power : 120 W

    Add to Quote
  • new
    PSW-720L44 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720L44 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,432
    $2,432 $2,432
    Specs
    • Volts : 80 V
    • Manufacturer : Instek
    • Current : 13.5 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720L44

    Condition : New

    Volts : 80 V

    Manufacturer : Instek

    Current : 13.5 A

    Power : 720 W

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  • new
    PSW-720L25 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720L25 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,553
    $2,553 $2,553
    Specs
    • Volts : 160 V
    • Manufacturer : Instek
    • Current : 7.2 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720L25

    Condition : New

    Volts : 160 V

    Manufacturer : Instek

    Current : 7.2 A

    Power : 720 W

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  • new
    PSW-1080L124 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L124 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,242
    $3,242 $3,242
    Specs
    • Volts : 30 V
    • Manufacturer : Instek
    • Current : 36 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L124

    Condition : New

    Volts : 30 V

    Manufacturer : Instek

    Current : 36 A

    Power : 1.08 kW

    Add to Quote
  • new
    NGM202-G Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    NGM202-G Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $7,355
    $7,355 $7,355
    Specs
    • Volts : 20 V
    • Manufacturer : Rohde & Schwarz
    • Current : 6 A
    • Power : 120 W
    Show Specs

    Model No : NGM202-G

    Condition : New

    Volts : 20 V

    Manufacturer : Rohde & Schwarz

    Current : 6 A

    Power : 120 W

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  • new
    PSW-1080L225 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L225 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,350
    $3,350 $3,350
    Specs
    • Volts : 40 V
    • Manufacturer : Instek
    • Current : 27 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L225

    Condition : New

    Volts : 40 V

    Manufacturer : Instek

    Current : 27 A

    Power : 1.08 kW

    Add to Quote
  • new
    PSW-1080L111 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L111 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,242
    $3,242 $3,242
    Specs
    • Volts : 30 V
    • Manufacturer : Instek
    • Current : 36 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L111

    Condition : New

    Volts : 30 V

    Manufacturer : Instek

    Current : 36 A

    Power : 1.08 kW

    Add to Quote
  • new
    PSW-720L22 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720L22 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,432
    $2,432 $2,432
    Specs
    • Volts : 40 V
    • Manufacturer : Instek
    • Current : 27 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720L22

    Condition : New

    Volts : 40 V

    Manufacturer : Instek

    Current : 27 A

    Power : 720 W

    Add to Quote
  • new
    PSW-1080L445 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L445 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,350
    $3,350 $3,350
    Specs
    • Volts : 80 V
    • Manufacturer : Instek
    • Current : 13.5 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L445

    Condition : New

    Volts : 80 V

    Manufacturer : Instek

    Current : 13.5 A

    Power : 1.08 kW

    Add to Quote
  • new
    NGE-COM3B Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    NGE-COM3B Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $1,440
    $1,440 $1,440
    Specs
    • Volts : 32 V
    • Manufacturer : Rohde & Schwarz
    • Current : 3 A
    • Power : 100 W
    Show Specs

    Model No : NGE-COM3B

    Condition : New

    Volts : 32 V

    Manufacturer : Rohde & Schwarz

    Current : 3 A

    Power : 100 W

    Add to Quote
  • new
    PSW-1080L155 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-1080L155 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $3,458
    $3,458 $3,458
    Specs
    • Volts : 30 V
    • Manufacturer : Instek
    • Current : 36 A
    • Power : 1.08 kW
    Show Specs

    Model No : PSW-1080L155

    Condition : New

    Volts : 30 V

    Manufacturer : Instek

    Current : 36 A

    Power : 1.08 kW

    Add to Quote
  • new
    PSW-720L55 Instek DC Power Supply-ValueTronics
    DC Power Supplies

    PSW-720L55 Instek DC Power Supply

    DC Power Supplies
    Condition : New
    $2,675
    $2,675 $2,675
    Specs
    • Volts : 160 V
    • Manufacturer : Instek
    • Current : 7.2 A
    • Power : 720 W
    Show Specs

    Model No : PSW-720L55

    Condition : New

    Volts : 160 V

    Manufacturer : Instek

    Current : 7.2 A

    Power : 720 W

    Add to Quote
  • new
    HMP4040 Rohde & Schwarz DC Power Supply-ValueTronics
    DC Power Supplies

    HMP4040 Rohde & Schwarz DC Power Supply

    DC Power Supplies
    Condition : New
    $3,165
    $3,165 $3,165
    Specs
    • Volts : 32 V
    • Manufacturer : Rohde & Schwarz
    • Current : 10 A
    • Power : 384 W
    Show Specs

    Model No : HMP4040

    Condition : New

    Volts : 32 V

    Manufacturer : Rohde & Schwarz

    Current : 10 A

    Power : 384 W

    Add to Quote