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AC & DC Power Supplies (57 Products)

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  1. FLIR TA03-KIT AAA Universal Rechargeable Battery Charger
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    Free UK Delivery*
    FLIR TA03-KIT AAA Universal Rechargeable Battery Charger
    Rating:
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    £88.80 £74.00
    • Charge up to four AAA batteries at the same time
    • Universally compatible with AAA batteries
    • Includes charger and multi-region power plugs
    148 Reward Points
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    SKU: TA03-KIT
  2. Extech 382200 Single Output DC Power Supply - 30V, 1A
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    Free UK Delivery*
    Extech 382200 Single Output DC Power Supply - 30V, 1A
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    £131.21 £109.34
    • Generates constant variable DC current or voltage
    • LDC screen display of current value
    • Banana plug connectors
    218 Reward Points
    Price Match Guarantee
    SKU: 382200
  3. Extech 382202 18V 3A Single Output DC Power Supply
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    Free UK Delivery*
    Extech 382202 18V/3A Single Output DC Power Supply
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    £140.58 £117.15
    • Single DC output supply of voltage and current
    • Adjustable 18V/3A supply
    • Dual backlit LCD screens
    234 Reward Points
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    SKU: 382202
  4. Extech 382213 Digital Triple Output DC Power Supply
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    Free UK Delivery*
    Extech 382213 Digital Triple Output DC Power Supply
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    £202.80 £169.00
    • Triple output of DC current and voltage
    • Digital indicators of current output level
    • Easily adjust the range
    338 Reward Points
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    SKU: 382213
  5. Aim-TTi EL301R Digital Bench Power Supply – 30W, 1 Output
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    Free UK Delivery*
    Aim-TTi EL301R Digital Bench Power Supply – 30W, 1 Output
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    £216.00 £180.00
    • Four-digit voltage and current meter with a fixed 10mV/ 1mA resolution
    • Remote sense terminals with On/Off switch
    • Provides a voltage output of 0 to 30V at 0 to 1A
    360 Reward Points
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    SKU: 51153-6400
  6. Aim-TTi EL302R Digital Bench Power Supply – 60W, 1 Output
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    Free UK Delivery*
    Aim-TTi EL302R Digital Bench Power Supply – 60W, 1 Output
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    £237.60 £198.00
    • Single-channel PSU with true linear regulation
    • Switchable remote sensing
    • Four-digit, fixed-resolution voltage and current meters
    396 Reward Points
    Price Match Guarantee
    SKU: 51153-6600
  7. Aim-TTi EL561R Digital Bench Power Supply – 60W, 1 Output
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    Free UK Delivery*
    Aim-TTi EL561R Digital Bench Power Supply – 60W, 1 Output
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    £244.80 £204.00
    • True linear regulation provides the best possible performance
    • Switchable remote sensing
    • Four-digit, fixed resolution voltage and current meters
    408 Reward Points
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    SKU: 51153-7400
  8. Aim-TTi EL183R Digital Bench Power Supply – 60W, 1 Output
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    Free UK Delivery*
    Aim-TTi EL183R Digital Bench Power Supply – 60W, 1 Output
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    £244.80 £204.00
    • Switchable remote sensing for precise regulation at the load and true metering of the load voltage
    • Four-digit, fixed-resolution voltage and current meters
    • Silent cooling: utilises convection cooling eliminating fan noise
    408 Reward Points
    Price Match Guarantee
    SKU: 51153-6200
  9. Free Precision Screwdrivers
    Siglent SPD1000X Programmable Linear DC Power Supply –Choice of Output
    All Siglent Products
    Free UK Delivery*
    Siglent SPD1000X Programmable Linear DC Power Supply –Choice of Output
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    As low as £274.80 £229.00
    • Two models available with different voltage, current and total power outputs
    • Two output modes: 4-wire Compensation mode and 2-wire Output mode
    • 2.8” TFT-LCD display with a clear graphical interface and real-time waveform display function
    548 Reward Points
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    SKU: SPD1000X
  10. Free Precision Screwdrivers
    Siglent SPD3303C Programmable Linear DC Power Supply
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    Siglent SPD3303C Programmable Linear DC Power Supply
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    £286.80 £239.00
    • Three independent outputs: 2x adjustable outputs and 1x output with fixed selectable voltages
    • Total power output: 220W
    • Lightweight with LED display
    478 Reward Points
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    SKU: SPD3303C
  11. Aim-TTi EL303R Digital Bench Power Supply – 90W, 1 Output
    All Aim-TTi Products
    Free UK Delivery*
    Aim-TTi EL303R Digital Bench Power Supply – 90W, 1 Output
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    £288.00 £240.00
    • Single-channel PSU utilising true linear regulation
    • Switchable remote sensing
    • Four-digit voltage and current meters with fixed resolutions
    480 Reward Points
    Price Match Guarantee
    SKU: 51153-7200
  12. Aim-TTi EL155R Digital Bench Power Supply – 75W, 1 Output
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    Free UK Delivery*
    Aim-TTi EL155R Digital Bench Power Supply – 75W, 1 Output
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    £288.00 £240.00
    • Switchable remote sensing
    • Four-digit voltage and current meters with fixed resolutions
    • True linear regulation for the best possible performance
    480 Reward Points
    Price Match Guarantee
    SKU: 51153-6000
  13. Extech 382276 600W Switching Mode DC Power Supply - with Power lead
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    Only 1 in Stock
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    Extech 382276 600W Laboratory Grade DC Power Supply
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    £328.08 £273.40
    • Outputs voltage and current
    • Ideal for laboratory applications
    • Range of advanced features
    546 Reward Points
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    SKU: 382276
  14. Aim-TTi EL302P Digital Bench Power Supply with RS-232 – 60W, 1 Output
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    Free UK Delivery*
    Aim-TTi EL302P Digital Bench Power Supply with RS-232 – 60W, 1 Output
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    £338.40 £282.00
    • Isolated RS-232 interface enabling remote operation
    • Low-cost, basic, programmable PSU
    • DC output on/off switch: view preset voltage and current levels prior to connecting a load
    564 Reward Points
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    SKU: 51153-3800
  15. Extech 382275 600W Switching Mode DC Power Supply 120V
    All Extech Products
    Lead Time: 1-6 Days
    Free UK Delivery*
    Extech 382275 600W Switching Mode DC Power Supply (120V)
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    £349.64 £291.37
    • Adjustable power supply
    • 0 to 30V, 20A range
    • User definable output
    582 Reward Points
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    SKU: 382275
  16. Aim-TTi EL302P-USB Digital Bench Power Supply with USB – 60W, 1 Output
    All Aim-TTi Products
    Free UK Delivery*
    Aim-TTi EL302P-USB Digital Bench Power Supply with USB – 60W, 1 Output
    Rating:
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    £351.60 £293.00
    • Isolated USB interface for remote operation
    • Four-digit voltage meter and three-digit current meter
    • DC output on/off switch: view preset voltage and current levels prior to connecting a load
    586 Reward Points
    Price Match Guarantee
    SKU: 51153-9500
  17. Aim-TTi EX355R Digital Bench Power Supply – 175W, 1 Output
    All Aim-TTi Products
    Free UK Delivery*
    Aim-TTi EX355R Digital Bench Power Supply – 175W, 1 Output
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    £381.60 £318.00
    • Switchable remote sense terminals
    • Large, bright, four-digit display with a fixed resolution
    • DC On/Off Switch: view preset currents and voltages prior to connecting the load
    636 Reward Points
    Price Match Guarantee
    SKU: 51153-8000
  18. Free Precision Screwdrivers
    Siglent SPD3303X-E Programmable DC Power Supply
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    Only 1 in Stock
    Free UK Delivery*
    Siglent SPD3303X-E Programmable DC Power Supply
    Rating:
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    £382.80 £319.00
    • 4.3" true colour TFT-LCD display with resolution of 480 x 272 pixels
    • Variable DC output
    • Save and recall 5 testing procedures
    638 Reward Points
    Price Match Guarantee
    SKU: SPD3303X-E
  19. Aim-TTi EL302RD Digital Bench Power Supply – 120W, 2 Outputs
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    Free UK Delivery*
    Aim-TTi EL302RD Digital Bench Power Supply – 120W, 2 Outputs
    Rating:
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    £412.80 £344.00
    • Outputs can be wired in series or parallel to provide voltages up to 60V or currents up to 4A
    • Dedicated switches, controls and 4-digit, fixed-resolution voltage and current meters for each channel
    • Switchable remote sensing
    688 Reward Points
    Price Match Guarantee
    SKU: 51153-6800
  20. Aim-TTi EX1810R Digital Bench Power Supply – 180W, 1 Output
    All Aim-TTi Products
    Free UK Delivery*
    Aim-TTi EX1810R Digital Bench Power Supply – 180W, 1 Output
    Rating:
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    £416.40 £347.00
    • Large, bright, four-digit display with a fixed resolution
    • Switchable remote sensing
    • Silent convection cooling
    694 Reward Points
    Price Match Guarantee
    SKU: 51153-2900
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About AC & DC Power Supplies

A power supply, as the name might suggest, is primarily used to distribute electrical power straight into electrical loads, giving them the energy they need to operate.

DC (Direct Current) power supplies are typically used in low voltage installations to generate power for components. At their most basic level, power supplies are present in a wide variety of electrical household appliances such as desktop computers, washing machines, televisions and more, as each of these components runs on a constant DC voltage that is converted from the alternating current supplied by the national grid. .

A power supply can also be used to convert energy obtained from other sources into usable electrical power. They can generally obtain energy from batteries, fuel cells, generators, alternators and can also be powered exclusively by solar power by using installations such as solar panels on the roof of buildings.

Whatever you need it for, Tester supplies a wide and ever-expanding range of DC Power Supplies perfect for use in a wide variety of different situations. The devices in our store generally come with incredibly useful features including adjustable parameters (meaning they can be used in different installations with some tweaking), different ranges of capability.

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