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Save 10% with promo code FLAG. Exclusions apply.
Save 10% with promo code FLAG. Exclusions apply.

Heavy-Duty Power Supplies

Shop for large and ultra-large DC-regulated benchtop power supplies that are ruggedly housed and provide up to 200 volts of variable voltage and 2 amps of current. These power supplies feature multi-loop high-precision voltage regulation, automatic voltage and current stabilizing conversion, automatic radiant cooling systems, and protection from overheating — all of which make these heavy-duty power supplies perfect for demanding applications. We also carry powerful rackmount power supplies designed for a multitude of lab applications.

  • Original price $214.99 - Original price $214.99
    Original price
    $214.99
    $214.99 - $214.99
    Current price $214.99

    30A Variable Autotransformer - 0-130VAC - Dual Digital Display - TDGC3-3D Variac

    Circuit Specialists
    14 in stock

    The TDGC3-3D variable autotransformer (variac) is part of the newest generation of Circuit Specialists’ bestselling line of variacs, replacing the ...

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    Original price $214.99 - Original price $214.99
    Original price
    $214.99
    $214.99 - $214.99
    Current price $214.99
  • Original price $119.99 - Original price $119.99
    Original price
    $119.99
    $119.99 - $119.99
    Current price $119.99

    *Refurbished* Variable Transformer TDGC2-3D with Digital Display & 30 Amp Max Output

    Circuit Specialists
    Out of stock

    Variac Transformer TDGC2-3D with 30 Amp Max Output and LCD Digital DisplayVariac Transformer TDGC2-3D is an affordable, versatile way to control AC...

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    Original price $119.99 - Original price $119.99
    Original price
    $119.99
    $119.99 - $119.99
    Current price $119.99
    Sold out
  • Original price $119.99 - Original price $194.63
    Original price
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    $119.99 - $194.63
    Current price $119.99

    Variable Transformer TDGC2-3D with Digital Display & 30 Amp Max Output

    Circuit Specialists
    Out of stock

    ***This item has been discontinued and replaced by the upgraded model TDGC3-3D.*** Variac Transformer TDGC2-3D with 30 Amp Max Output and LCD Digit...

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    Original price $119.99 - Original price $194.63
    Original price
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    $119.99 - $194.63
    Current price $119.99
    Sold out
  • Original price $880.00 - Original price $880.00
    Original price
    $880.00
    $880.00 - $880.00
    Current price $880.00

    Siglent SDL1030X-E 150V-30A 300Watt DC Electronic Load

    Siglent
    Currently on Backorder

    Siglent SDL1020X-E 150V-30A 300Watt DC Electronic Load The SDL1030X-E Programmable DC Electronic Load has a 3.5 inch TFT-LCD display, a user-friend...

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    Original price $880.00 - Original price $880.00
    Original price
    $880.00
    $880.00 - $880.00
    Current price $880.00
  • Original price $1,199.99
    Original price $1,199.99 - Original price $1,199.99
    Original price $1,199.99
    Current price $1,079.70
    $1,079.70 - $1,079.70
    Current price $1,079.70

    Bench Power Supply, Heavy Duty Regulated Linear 0-50V/0-30A DC

    Circuit Specialists
    9 in stock

    Heavy Duty Regulated Linear 0-50V/0-30A DC Power Supply A super heavy duty regulated and linear bench power supply that tips the scale at 81 lbs. T...

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    Original price $1,199.99
    Original price $1,199.99 - Original price $1,199.99
    Original price $1,199.99
    Current price $1,079.70
    $1,079.70 - $1,079.70
    Current price $1,079.70
    Save 10% Save %
  • Original price $514.73 - Original price $514.73
    Original price
    $514.73
    $514.73 - $514.73
    Current price $514.73

    CSI3060 Switch Mode Bench Power Supply with 0-30V, 0-60A Output

    Circuit Specialists
    22 in stock

    CSI3060 Switch Mode Bench Power Supply with Max 30 Volt and 60 Amp output The CSI3060 is a highly efficent switch mode bench power supply that pr...

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    Original price $514.73 - Original price $514.73
    Original price
    $514.73
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    Current price $514.73
  • Original price $336.50 - Original price $336.50
    Original price
    $336.50
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    Current price $336.50

    15 Volt DC 60.0 Amp Switch Mode Power Supply

    Circuit Specialists
    30 in stock

    Circuit Specialists 15 Volt, 60.0 Amp DC Power Supply The CSI1560SW is a fully regulated, high powered switching benchtop power supply with adjusta...

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    Original price $336.50 - Original price $336.50
    Original price
    $336.50
    $336.50 - $336.50
    Current price $336.50
  • Original price $369.99
    Original price $369.99 - Original price $369.99
    Original price $369.99
    Current price $344.24
    $344.24 - $344.24
    Current price $344.24

    30 Volt DC 30.0 Amp High Output Switch Mode Power Supply

    Circuit Specialists
    38 in stock

    Circuit Specialists 30 Volt, 30 Amp Switch Mode DC Power Supply The CSI3030SW ships from and is supported from the USA The CSI3030SW is a high effi...

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    Original price $369.99
    Original price $369.99 - Original price $369.99
    Original price $369.99
    Current price $344.24
    $344.24 - $344.24
    Current price $344.24
    Save 7% Save %
  • Original price $1,199.00 - Original price $1,199.00
    Original price
    $1,199.00
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    Current price $1,199.00

    Rigol DL3031A 350W Electronic Load - 150V/60A - 30 kHz 5.0 A/μs

    Rigol

    Rigol DL3031A is a powerful 350W/150V/60A programmable DC electronic load with on-Display graphing for transient and pulsed load conditions, conven...

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    Original price $1,199.00 - Original price $1,199.00
    Original price
    $1,199.00
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    Current price $1,199.00
  • Original price $999.00 - Original price $999.00
    Original price
    $999.00
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    Current price $999.00

    Rigol DL3031 350W Electronic Load - 150V/60A - 15 kHz 2.5 A/μs

    Rigol

    Rigol DL3031 is a powerful 350W/150V/60A programmable DC electronic load with on-Display graphing for transient and pulsed load conditions, conveni...

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    Original price $999.00 - Original price $999.00
    Original price
    $999.00
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    Current price $999.00
  • Original price $185.28 - Original price $185.28
    Original price
    $185.28
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    Current price $185.28

    24 Volt Power Supply - 30 Amp Single Output

    Circuit Specialists
    Only 1 left!

    24 Volt Power Supply - 30 Amp Single Output 700W, 24V/30A High reliability, low cost Built in EMI filter 100% full load burn-in test Protections: ...

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    Original price $185.28 - Original price $185.28
    Original price
    $185.28
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    Current price $185.28
  • Original price $27.68 - Original price $27.68
    Original price
    $27.68
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    Current price $27.68

    5 Volt Power Supply - 30A Single Output

    Circuit Specialists
    Only 1 left!

    5 Volt Power Supply - 30A Single Output A 150W 5V/30A Highly Reliable, Universal AC input/full range single output power supply. They have the appr...

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    Original price $27.68 - Original price $27.68
    Original price
    $27.68
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    Current price $27.68
  • Original price $350.05 - Original price $350.05
    Original price
    $350.05
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    Current price $350.05

    ITECH IT8211 150W 60V Digital Control DC Electronic Load

    ITECH
    Currently on Backorder

    ITECH IT8211 150W 60V Digital Control DC Electronic Load The IT8211 from ITECH is an economical programmable electronic load, with the highest cost...

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    Original price $350.05 - Original price $350.05
    Original price
    $350.05
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    Current price $350.05
  • Original price $1,779.00 - Original price $1,779.00
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    $1,779.00
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    Current price $1,779.00

    Siglent SPS5082X 80V/30A/720W Single Channel Switch Mode Power Supply

    Siglent

    Siglent SPS5082X 80V/30A/720W Single Channel Switch Mode Power Supply The SPS5082X is part of Siglent’s premium line of SPS5000X series programmabl...

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    Original price $1,779.00 - Original price $1,779.00
    Original price
    $1,779.00
    $1,779.00 - $1,779.00
    Current price $1,779.00
  • Original price $2,699.00 - Original price $2,699.00
    Original price
    $2,699.00
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    Current price $2,699.00

    Siglent SPS5045X 40V/30A/360Wx3 Three Channel Switch Mode Power Supply

    Siglent

    Siglent SPS5045X 40V/30A/360Wx3 Three Channel Switch Mode Power Supply The SPS5045X is part of Siglent’s premium line of SPS5000X series programmab...

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    Original price $2,699.00 - Original price $2,699.00
    Original price
    $2,699.00
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    Current price $2,699.00
  • Original price $2,269.00 - Original price $2,269.00
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    $2,269.00
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    Current price $2,269.00

    Siglent SPS5044X 40V/30A/360Wx2 Two Channel Switch Mode Power Supply

    Siglent

    Siglent SPS5044X 40V/30A/360Wx2 Two Channel Switch Mode Power Supply The SPS5044X is part of Siglent’s premium line of SPS5000X series programmable...

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    Original price $2,269.00 - Original price $2,269.00
    Original price
    $2,269.00
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    Current price $2,269.00
  • Original price $1,479.00 - Original price $1,479.00
    Original price
    $1,479.00
    $1,479.00 - $1,479.00
    Current price $1,479.00

    Siglent SPS5042X 40V/60A/720W Single Channel Switch Mode Power Supply

    Siglent

    Siglent SPS5042X 40V/60A/720W Single Channel Switch Mode Power Supply The SPS5042X is part of Siglent’s premium line of SPS5000X series programmabl...

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    Original price $1,479.00 - Original price $1,479.00
    Original price
    $1,479.00
    $1,479.00 - $1,479.00
    Current price $1,479.00
  • Original price $1,209.00 - Original price $1,209.00
    Original price
    $1,209.00
    $1,209.00 - $1,209.00
    Current price $1,209.00

    Siglent SPS5041X 40V/30A/360W Single Channel Switch Mode Power Supply

    Siglent

    Siglent SPS5041X 40V/30A/360W Single Channel Switch Mode Power Supply The SPS5041X is part of Siglent’s premium line of SPS5000X series programmabl...

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    Original price $1,209.00 - Original price $1,209.00
    Original price
    $1,209.00
    $1,209.00 - $1,209.00
    Current price $1,209.00
  • Original price $1,145.00 - Original price $1,145.00
    Original price
    $1,145.00
    $1,145.00 - $1,145.00
    Current price $1,145.00

    Siglent SDL1030X 150V-30A 300Watt DC Electronic Load

    Siglent
    Only 3 left!

    Siglent SDL1030X 150V-30A 300Watt DC Electronic Load The SDL1020X Programmable DC Electronic Load has a 3.5 inch TFT-LCD display, a user-friendly i...

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    Original price $1,145.00 - Original price $1,145.00
    Original price
    $1,145.00
    $1,145.00 - $1,145.00
    Current price $1,145.00
  • Original price $695.00 - Original price $695.00
    Original price
    $695.00
    $695.00 - $695.00
    Current price $695.00

    Siglent SDL1020X 150V-30A 200Watt DC Electronic Load

    Siglent
    Only 3 left!

    Siglent SDL1020X 150V-30A 200Watt DC Electronic Load The SDL1020X Programmable DC Electronic Load has a 3.5 inch TFT-LCD display, a user-friendly i...

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    Original price $695.00 - Original price $695.00
    Original price
    $695.00
    $695.00 - $695.00
    Current price $695.00
  • Original price $499.00 - Original price $499.00
    Original price
    $499.00
    $499.00 - $499.00
    Current price $499.00

    Siglent SDL1020X-E 150V-30A 200Watt DC Electronic Load

    Siglent
    Currently on Backorder

    Siglent SDL1020X-E 150V-30A 200Watt DC Electronic Load The SDL1020X-E Programmable DC Electronic Load has a 3.5 inch TFT-LCD display, a user-friend...

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    Original price $499.00 - Original price $499.00
    Original price
    $499.00
    $499.00 - $499.00
    Current price $499.00
  • Original price $3,167.80 - Original price $3,167.80
    Original price
    $3,167.80
    $3,167.80 - $3,167.80
    Current price $3,167.80

    ITECH IT8514B-PLUS 500V 60A Programmable DC Electronic Load

    ITECH
    Currently on Backorder

    ITECH IT8514B-PLUS 500V 60A Programmable DC Electronic Load The ITECH IT8500+series (150W~3000W) single-channel programmable DC electronic loads ar...

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    Original price $3,167.80 - Original price $3,167.80
    Original price
    $3,167.80
    $3,167.80 - $3,167.80
    Current price $3,167.80
  • Original price $1,055.70 - Original price $1,055.70
    Original price
    $1,055.70
    $1,055.70 - $1,055.70
    Current price $1,055.70

    ITECH IT8513A-PLUS 150V 60A Programmable DC Electronic Load

    ITECH
    Currently on Backorder

    ITECH IT8513A-PLUS 150V 60A Programmable DC Electronic Load The ITECH IT8500+series (150W~3000W) single-channel programmable DC electronic loads ar...

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    Original price $1,055.70 - Original price $1,055.70
    Original price
    $1,055.70
    $1,055.70 - $1,055.70
    Current price $1,055.70
  • Original price $516.61 - Original price $516.61
    Original price
    $516.61
    $516.61 - $516.61
    Current price $516.61

    ITECH IT8512A-PLUS 150V 30A Programmable DC Electronic Load

    ITECH
    Only 1 left!

    ITECH IT8512A-PLUS 150V 30A Programmable DC Electronic Load The ITECH IT8500+series (150W~3000W) single-channel programmable DC electronic loads ar...

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    Original price $516.61 - Original price $516.61
    Original price
    $516.61
    $516.61 - $516.61
    Current price $516.61

Shop for large and ultra-large DC-regulated benchtop power supplies that are ruggedly housed and provide up to 200 volts of variable voltage and 2 amps of current. These power supplies feature multi-loop high-precision voltage regulation, automatic voltage and current stabilizing conversion, automatic radiant cooling systems, and protection from overheating — all of which make these heavy-duty power supplies perfect for demanding applications. We also carry powerful rackmount power supplies designed for a multitude of lab applications.

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