Top 9 Variable Linear Dc Power Supply – Computer Power Supplies

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1. Tekpower


Tekpower TP3005D Digital Variable Linear Type DC Power Supply, 0-30V @ 0-5A with Alligator Cable and Power Cord

Tekpower #ad - Cooling fan automatic activation by built-in thermo-sensor. 1-year manufacturer's warranty. High precision dc regulated power supply with 0-30 volts and 0-5 amp outputs. Two operational modes: constant voltage and constant current. Back-lit lcd display with a 01v and 001a resolution.
BrandTekpower #ad
ManufacturerTekpower #ad
Height5.91 Inches
Length9.45 Inches
Weight11.11 Pounds
Width3.74 Inches
Part NumberTP-3005D-NEW



MP3020D AC110V Triple-Output 0-30V 0-20A Linear DC Power Supply Regulated Variable, ZHFEISY Power Supply

ZHFEISY #ad - Plastic panel, beautiful and generous. Hand-held design, easy to carry. Voltage and current are adjusted roughly and finely to adjust voltage and current accurately.

Constant voltage, constant current automatic conversion, can be used as a constant voltage source, also can be used as a constant current source. The circuit design is reasonable, high efficiency, the key components are imported and can be used at full load for a long time. Pwm switch mode, light weight, energy saving and environmental protection. Perfect protection functions: adjustable overvoltage protection OVP, overtemperature protection OTP, short circuit current limiting protection OCP, overpower protection OPP.
BrandZHFEISY #ad
ManufacturerZHFEISY #ad

3. Siglent Technologies


Siglent Technologies SPD3303X-E Triple Output Power Supply

Siglent Technologies #ad - Output modes: Independent, Series, Parallel. 3v/5v/3. 3 independent Controlled And Isolated Outputs. 32v/3. Timing output Function. Trending Graphs. 2a x 1, total power: 220W. 2a x 2, 2. 5v/3.
BrandSiglent Technologies #ad
ManufacturerSiglent Technologies #ad
Height11 Inches
Length16 Inches
Weight17.6 Pounds
Width14 Inches
Part NumberSPD3303X-E

4. Naweisz


DIY Tool, Electronic Research, Tinkering, Powering Ebike, Lab, 60V 5A DC Bench Power Supply Variable 3-Digital LED Display with CC/CV Mode- Free Alligator Leads for Repair

Naweisz #ad - Any issue on using our unit, please email us freely. 60v dc variable dc regulated power supply- 0-60 volts and 0-5 amp outputs with 3 led digital bright display, easy to read the number, short the wire leads, it's easy to set the voltage, with resolution of 0.

1 v(100mvand 001a10ma, and set the current. What you will get and enjoy- 1*quality standard 4mm alligator clip leads with banana plug 20 inch length;1* US power cord, 1* user manual. You could enjoy 45-day free-returned, 36-month warranty, and lifetime technology support. Good gift for DIY electronic gears. High quality& stability-high quality circuit board made, voltage overload protection, thermal protection, noise reduced and life prolonged.

Perfect limit current protection, and make it stable output. It's built-in cooling fan with thermo-sensor and TWO heat sinks used will keep the power supply cool, short-circuit protection. Wide applications- high performance applications,. It's nice for electronic maintenance, electrolysis, battery charger, suitable for testing/troubleshooting many 48VDC equipment elements and components, teching, laboratory, electroplate, and DIY tools. C. C & c. V.
BrandNaweisz #ad
ManufacturerNaviTech #ad
Part NumberNP6005



DC Power Supply,EAGWELL AC 110V/220V to DC 0-48V 10A 480W Variable Power Converter,Adjustable AC to DC Power Supply 5V 12V 24V 30V 36V 48V DC Power Transformer for Camper Lab CCTV Radio

EAGWELL #ad - Note: the maximum current is 10A. But the actual current is depended on the load. It can be used as a 5v 12v 24v 30v 36v 48v power supply for RV, Lab, Car, Computer, CCTV, Labtop, Ham Radio, etc. Wide adjustable output voltage range: dc 0-48v. Make sure to use the devices which is below 10A.

Smart harewarethis ac to dc converter is equipped with led screen, heat sink and cooling fan. Multiple protectioneagwell adjustable power supply with smart over-voltage protection, action output cut-off Reset and Auto Reset or fuse. Note: before using, overload protection, overheating protection and Prevent Short Circuit, to avoid damaging, please select the input voltage 110V/220V according to your local voltage, switch is at right side of the item.

Heat sink and cooling fan can control the temperature in a safe range. It can be used to device of 2A 3A 5A 10A. Testing & certificationpure copper inductors, high-performance transformers, dual-capacity electrolytic Capacitors is The Guarantee of High-quality Power Supply. Eagwell power supply is finished after 48 hours Burn-in, and Passed The CE and FCC Certification with Global Application AC Input Voltage. Volt adjustment input voltage can be 110v or 220v. The voltage precision is 01v.
BrandEAGWELL #ad
ManufacturerEagwell #ad
Height4.7 Inches
Length11.5 Inches
Weight1.8 Pounds
Width12 Inches
Part NumberI1017



12V 50A 600W DC Switching Power supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-40/25amps LED drive Light Lamp Meter Electric Printer Semiconductor Motor Pump Fan Cool SMPS 110V/220

MEISHILE #ad - Proprietary circuit solutions: high efc, 000 hours of service life; aluminum shell,  Low standby power consumption, Long Service Life: More than 6,  Low-loss,  High efficiency. Safe stable: power supply has over/under voltage, do not hesitate to contact us, over heat protection, SATISFACTION GUARANTEE: For any question, strictly tested before leaving the factory, we offer you a satisfaction guaranteed.

Psusmps convert ac to dc, output current depends on the requirements of the power consuming equipment, Power multiple devices with different Currents/ Watts. Used for dc 12v oxygen/water pump-semiconductor drive-atomizer-winch-car jack-car stereos-Amplifier-Radios-Air Compressor-LED Light Strip-CCTV Security Camera-Brushless type motor drive non-variable speed-Household Appliances-Electronic Devices-Automation Equipment-Computer Project-Servos-City street light sand table toy model drive, etc.

Universal input voltage: ac 110v/220v, compact:21. 5×11. 5×5cm/8. 5×4. 5×2 inch, small, portable, rated power 50A 600W, Output 12V, weight 0.75 kag safety: use must derating: max load cannot exceed 80%.
ManufacturerMEISHILE #ad
Height1.97 Inches
Length8.46 Inches
Weight1.54 Pounds
Width4.53 Inches
Part Numbers-XHD12V



Computer Project, CCTV Camera Security System, Radio, DC 12V 30A Power Supply 360W Universal Regulated Switching AC to DC Converter AC110V/220V SMPS Transformer Driver Adapter for LED Strip Light

GESD #ad - High efficiency and reliability: smart device surge protection for short-circuit protection, noise, overload protection, or at power off. Built-in emi filter, receive, low output ripple, Over Voltage, during transmit, Over Temperature Protection. Widely used in: wide input voltage range, steady and precise output voltage.

Great power transformer for led Lighting and CCTV Camera Security System, communications & home appliance electronic equipment etc. Ac 110v/220v input voltage: we have already adjusted the switcher to 110v/115v for our us customers, don't forget to adjust the switch to the 220v side before use. Ac 110v/220v. Wide voltage input adjusted automatically to SMPS Model 12V 1A-5A, if you want to use AC220V, 12W-60W. Switch power supply convert ac 110v/220v to dc 12v 30a 360w: the default input voltage is 110V, Output voltage is adjustable 10%, Metal case with many holes makes heat dissipation more efficient.

As for model 12v 10a-60a 120w-600w, there is a voltage selector switch located on the side of the switcher is used to set the input voltage to the power supply to either 110V/115V or 220V/230V. Low temperature Rise. Voltage consistency:there is no voltage fluctuations to speak of at power on, Rugged heavy duty enclosure, 100% Full load burn-in Tested. 100% money guarantee: 15 years oem factory competency, Most efficient technical support with superb processing technologyOur committed to provide the best product and services to every customer.
BrandGESD #ad
ManufacturerGESD #ad
Part Number12v 30a
Model12v 30a



NICE-POWER DC Power Supply Variable: 30V 10A Adjustable Switching Regulated High Precision 4-Digits LED Display 5V/2A USB Port Output & Input Power Cord Bench Lab Power Supplies

NICE-POWER #ad - You can easily take the DC power supply to work. 5v/2a usb port, the cooling fan is turned on intelligently, Intelligent Cooling Fan, you can charge your mobile phone, high-quality materialsthe dc power supply is equipped with a 5v/2a USB port, tablet or other devices.

High-quality materials make our DC power supply more durable. Quality check and terms of serviceyou will get dc power supply*1, output power cord*1, input power cord*1, please feel free to contact us, User Manual*1 by purchasing DC power supply. The backlit 4-digits led display has the advantage of high resolution, output switch controlNICE-POWER 30V 10A DC power supply is a professional power supply regulator with high accuracy of 001v and 0001a, big led display, low ripple, which can be easily viewed even if you are in low-light conditions .

High precision, low ripple of dc power supply. Dc power supply is suitable for lifepo4 battery charging, arduino project, overheating protection, short circuit protection, laboratories, lamp test, electroplating, Various ApplicationLab power supplies have passed CE & FCC Certification. Dc power supply is very light and portable, Lightweight and PortableThe front power switch is very convenient. Bench power supply adopts stable vertical design, with a size of only 3. 3 x 9. 4 x 6.
ManufacturerNICE-POWER #ad
Part NumberSPS-C3010 Black

9. eTopxizu


3D Printer, eTopxizu 12v 30a Dc Universal Regulated Switching Power Supply 360w for CCTV, Computer Project

eTopxizu #ad - Smart device surge protection for Shortage Protection, Overload Protection, Over Voltage Protection. In-door use only! high quality switch power Supply Widely used in Industrial automation, LED display, communications, etc. You can choose the input voltage 110V/240V by switch.
BrandeTopxizu #ad
ManufacturereTopxizu #ad
Height2.09 Inches
Length8.54 Inches
Weight1.13 Pounds
Width4.53 Inches
Part NumberS-360-12