When you want to find variable dc power supply 48v, you may need to consider between many choices. Finding the best variable dc power supply 48v is not an easy task. In this post, we create a very short list about top 10 the best variable dc power supply 48v for you. You can check detail product features, product specifications and also our voting for each product. Let’s start with following top 10 variable dc power supply 48v:

Best variable dc power supply 48v

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Best variable dc power supply 48v reviews

1. Siglent Technologies SPD3303X-E Triple Output Power Supply

Feature

3 independent controlled and isolated outputs
32V/3.2A x 2, 2.5V/3.3V/5V/3.2A x 1, total power: 220W
# output modes: independent, series, parallel
Timing output function. Trending graphs
USB / LAN interfaces

Description

The Siglent SPD3303X-E Power Supply contains three independent power supplies in one unit. As a true linear supply, output noise and regulation are excellent. With its intelligent temperature-controlled fan, noise is reduced. Voltage resolution is 10mV / 10mA. The SPD3303X-E Power Supply comes with EasyPower PC software, supports SCPI commands and like all Siglent instruments, has an available LabView driver.

2. Drok Numerical Control Regulator DC 8V-60V to 10V-120V 15A Boost Converter, Constant Step Up Module Adjustable Output 48V 24V 12V DC Power Supply with Led Display

Feature

DC 8-60v to 10-120v 900W numerical control cc cv step up module with digital tube display, maximum current is 15A, with a fan to dissipate heat; adopts advanced microprocessor, can regulate output Voltage and current accurately, reliable and Stable
The module has two kinds of modes: simple mode and fully functional mode(simple mode by Default); uses 4 digits high Brightness LED, can display output Voltage, current, power and capacity and other parameters; has out, cc, cv indicators, easy and convenient to check the working statues
Simple mode: after setting the Voltage and current values, pressing "OK" the module will output, then use the "" "" buttons to increase or decrease the value at output statue, short press "OK" to switch between Voltage and current display, long press for 3 seconds to turn on/off the function of displaying Volt and amp in turns
Under fully functional mode, there are three special functions: 0 output automatically when power on; 1 save and call out the parameters, display power and capacity; 2 take turns to show the parameters after output automatically you can open them by yourself
Wide application, suitable for wind power, DC generator, solar panels to charge battery, you can also make a Step-Up power supply to power devices

Description

Parameters:
Input voltage: DC 8-60V
Input current: 0-15A
Output voltage: DC 10-120V
Output current: 0-15A
Conversion efficiency: 85%
Working frequency: 150KHz
Short circuit protection: 20A fuse
Operating temperature :40~+85
Control method: numerical control + digital tube display
Voltage regulator/display resolution: <100V/0.01V; >100V/0.1V
Minimum resolution of power display: 0.001W
Current regulator/display resolution: <10A/ 0.01A; >10A/ 0.1A
Minimum resolution of capacity display: 0.001AH
Output ripple: 50mV
Weight: 243g
Dimensions: 1109646mm

Features:
1. Adopts advanced microprocessor, can regulate output voltage and current accurately;
2. Has a fan to dissipate heat, can work stably for a long term;
3. Has memory saving function, can store 10 groups of parameters and they can be freely stored and called out;
4. All display by digitals, convenient and easy to use;
5. Has constant voltage and constant current statue;
6. Uses 4 digits high brightness LED, can display output voltage, current, power and capacity and other parameters;
7. Voltage, current, power, capacity and other parameters can be switched to display automatically or manually;
8. Has output OUT, constant voltage CV and constant current CC indicators;
9. Can be set whether to output automatically when power on;
10. The set voltage and current values can be saved by key.

Package Includes:
1 X Numerical Control Boost Converter

3. Adjustable DC Power Voltage Converter AC 110V-220V to DC 0-48V Module Switching Power Supply Digital Display 480W Voltage Regulator Transformer Built in Cooling Fan

Feature

Input voltage range is AC110-220V, output voltage range is DC 0-48V adjustable, output current can't be adjusted and it is up to your load, maximum output current is 10A, so this item will not fit for your device with over 10A current.
LED display shows you real-time voltage, which makes it more convenient for you to adjust voltage. Case Material: Metal; Main Color: Silver Tone.
Equipped with temperature control cooling fan: it will automatically operate when this power converter need to be cooled without any noise.
Protection Function: over load protection, over voltage protection, short circuit protection, this protection will protect your load well. NOTE: before using, please select the input voltage 110V/220V according to your local voltage, to avoid damaging, switch is at right side of the item.
Widely used in Industrial automation, Radio, Broadcasting, LED display, communications, Security cameras, Lighting, Computer.

Description

Parameters:
Input voltage: AC 110-220V 15%
Output: DC 0-48V 10A
Rated power: 480W

Wiring:
: Ground
N: Null wire
L: Live wire
V+: DC output +
V-: DC output -

Package includes:
1 x Switching Power Supply

Instructions for use:
The current is unregulated and max. is 10A. The actual current is decided by load.
Any devices below 10A current can use this product. Any devices above 10A current cannot use this product.

Note:
Before using, please select the input voltage 110V/220V according to your local voltage, to avoid damaging, switch is at right side of the item.
If use motor, fan and other inductive load, please pay attention to the load's maximum starting current parameter. This parameter shall not be higher than the power supply's max. current. Otherwise it may damage the power supply. Or allocate the soft starting protection circuit for the load to absorb the impact current.

4. DC Power Supply Variable 60V 5A, 3-Digital LED Display, Precision Adjustable Regulated Switching Power Supply Digital with Alligator Leads US Power Cord for Repair, Lab Equipment, Research and DIY etc

Feature

DC Bench Power Supply Regulated Adjustable: 0-60 volts and 0-5 amp outputs; the Back-lit 3-digit LED Display accuracy: 0.1 V and 0.01A
Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections, it's built in high quality MOS tube and make it more stable.
Intelligent Temperature Control: It's built-in cooling fan with thermo-sensor will keep the power supply cool, noise reduced and life prolonged.
Comes with 1pc 4mm Alligator Clip Leads with Banana Plug, 1pc Input Power Cord. Great choice for using in home, labs, and schools,repairing workshops etc.
Enjoy 60-day free-returned, 24/7 customer service and 1-year warranty

Description

NaviTech DC Power Supply Variable is small-sized and lightweight, features high accuracy, reliability. It is a great tool for scientific research, product development, etc.

NOTICE:

  • This power supply can not switch between ac and dc.
  • To avoid burning out the dc power supply, please switch the input to 110V first!
  • Do not operate in humid environment
  • Do not operate in flammable and explosive environment
  • Keep the product surface clean and dry
  • Operating conditions:
  • Dual Input voltage: AC 110V/220V10% (switch selection 115V in United States), 50Hz/60Hz
  • Operating environment: 32 - 104F (0 - 40C), and humidity: 80%
  • Storage environment: temperature: 14F-158F(-10C~70C), and humidity: 80%

Parameters:

  • Model: NP6005
  • Input voltage :110V/220VAC10% Switchable
  • Output: DC 0~60V,0~5A
  • Display resolution: voltage: 0.1V, current 0.01A
  • Load regulation: 0.3%+5mV
  • Ripple: 10mVrms
  • Altitude:2000m
  • Pollution Degree: 2
  • Dimensions: 226(L) *82(W) *138 (H) mm
  • Net weight: 1.5kg(3.3lb)

What You Get:

  • 1x DC Power supply host
  • 1x Output power cord
  • 1x US Power Cord
  • 1x User Manual

5. MEAN WELL SE-600-48 AC to DC Power Supply, Single Output, 48V, 12.5 Amp, 600W, 1.5"

Feature

Size (L X W X H) (Inches): 9.7 X 5.0 X 2.5
Ripple And Noise (Mv P-P): 200
Load Regulation: 0.5%

Description

600W Ac/Dc Enclosed Switching Power Supply48Volts @ 12.5AmpsSpecifications: Size (L X W X H) (Inches): 9.7 X 5.0 X 2.5 Ripple And Noise (Mv P-P): 200 Load Regulation: 0.5% Line Regulation: 0.5% Input: 85-264Vac @ 47-63Hz Switch-Selectable Ac Input Certifications: Ulf.

6. COOLM AC 100-240V to DC 48V 2A Power Supply Adapter 48V 96W Charger Interface 5.5 x 2.5mm for PoE Switch or PoE Injector with Power Cord

Feature

Notice: Not applicable to all lithium battery products (eg: do not work for Electric bike bicycle, Bicycle eBike Lithium Ion Battery, Balance car, Ebike EMC-120 Lipo)
It only applies to the PoE Switch or PoE Injector CCTV Camera, Please don't try to use it on other electronic products.
Output: DC 48V 2A 96W, 3.9 Ft Cable, DC interface size: 5.5mm x 2.5mm
Third generation smart IC chip features: Short Circuit Protection, Overload Protection, Over Voltage Protection to protect your device
What You Get: 1 * DC 48V 2A power supply, 2 Years Warranty and friendly customer service. Please feel free to Contact us at any time.

Description

* This 48V Power adapater not applicable to all lithium battery products (eg: Bicycle eBike Lithium Ion Battery, Balance car, Ebike EMC-120 Lipo)
* It only applies to the PoE Switch or PoE Injector CCTV Camera Display. We do not take any responsibility if you use it on other electronic products


Specifications
Input: AC 100-240V 1.8A 50 / 60Hz
Output: DC 48V 2A 96W
DC Connector size: 5.5mm x 2.5mm
DC cable length: about 3.9FT / 120cm
AC Power Cord: 110cm length with US plug
Pole of DC plug: center positive(+), outside negative (-)
Protection: Overcurrent protection, overvoltage protection, short circuit protection
Condition: Brand new product
Suitable for: Use for the PoE Switch or PoE Injector CCTV LED Display.
It perfect replacement for 500mA / 650mA / 1A / 1.5A as amperage isnt forced. (If your previous Adaptor was less than 2A then this will be a perfect replacement as amperage is NOT Forced)

Product advantages
The input voltage range is wide, all 100-240V, in line with global usage standards.
ABS plastic case, resistant to high temperature wear.
Nickel-plated copper core plug interface, high temperature resistance, fireproof, wear resistant, non-deformable, normal insertion and removal.
Bold insulated wire, not easy to break, prevent leakage and discharge.
The high-precision card tail work is rigorous and meticulous, and the quality copper wire has good flexibility. Durable and not easy to break.

Package List
1 x 48V 2A AC to DC power adapter
1 x US AC Power Cord

7. LM YN DC 48V 10A 500W Max Switching Power Supply Industrial Grade Products CE & ROHS Certification Suitable For Industrial Control, Communications, Scientific Research, Civil Equipment Power Supply

Feature

The use of advanced switching power supply control technology and components, as well as careful design, the whole small size, light weight, high efficiency, to ensure long-term full load operation of the stable and reliable.

Built-in cooling fan, over temperature protection, overheating automatic shutdown protection ; output overvoltage, overcurrent and short circuit protection.

Boot delay soft start, to avoid the power output instantaneous high voltage impact.

Power widely used in industrial control, communications, scientific research, battery charging and other equipment.Simple operation and easy to use.

DC Output Voltage:48V(10% 44V-52V) ; Output Current:10A; AC input voltange range: AC 110V(90V-132V AC) / AC 220V (170-264V AC) 110V / 220V through the input voltage switch to switch, the default setting of the voltage is 110V.

Description

DC Output Voltage:48V (10% 44V-52V) ;
Output Current:10A;
Incoming wire stability:0.5%;
Ripple and noise :120mVp-p;
Efficiency:90%;
Load stability:0.5%;
DC voltage range :10% 44V-52V;
AC input voltange range: AC 110V(90V-132V AC) / AC 220V (170-264V AC) 110V / 220V through the input voltage switch to switch, the default setting of the voltage is 110V.
Overload protection: 105%-150% cut off output;
Reset: Self reset;
Over voltage protection :120%-140% rated output voltage Start,Rise,Hold time:200ms,50ms,30ms;
Operating temperature: -10 - +50 ;
Power fan working temperature: 40 5 .
Working humidity: 20% -90% RH
Dimensions: 215 * 115 * 50mm / 8.46 * 4.52 * 1.97in (L * W * H);
Weight: 1.1KG / 2.43lb.
In-door use only, for this switching power supply is not waterproof.

Use and precautions:
1. Before inputting the voltage, make sure that the input voltage is in line with the operating voltage of the power supply. (The power supply supports 115V AC / 230 V AC through the switch, the factory default setting is 115V). The wrong input voltage will damage the power supply (for example, when the switch is switched on at 115V and the input voltage is 230V, it will damage the power supply.)
2. Input DC positive (1, 2, 3) and negative (4,5,6) three terminals, the internal lines are connected in parallel. Pay attention to positive and negative, do not reverse.
3. The power is the use of fan forced air-cooled (direct drive ventilation), power supply with over-protection, overload protection, short circuit protection, reverse protection.
4. The internal components of the power supply are the best quality, the factory has to undergo a rigorous test, non-general cheap power supply comparable. Can be used for high-end industrial equipment power supply.

Package Included:
1*DC 48V 10A 500W Max Switching Power Supply

8. LRS-350-48 Switching Power Supplies 350.4W 48V 7.3A 115Vac or 230Vac

Feature

Price For: Each Manufacturer: Mean Well Product Category: Switching Power Supplies RoHS: Approvals: UL60950-1 Product: Switching Supplies Open Frame/Enclosed: Enclosed Output Power Rating: 350.4 W Input Voltage: 90 VAC to 132 VAC/180 VAC to 264 VAC, 240 VDC to 370 VDC Number of Outputs: 1 Output Output Voltage-Channel 1: 48 V Output Current-Channel 1: 7.3 A
Commercial/Medical: Commercial Mounting Style: Chassis Length: 215 mm Width: 115 mm Height: 30 mm Brand: Mean Well Dimensions: 215 mm L x 115 mm W Input Frequency: 47 Hz to 63 Hz Isolation Voltage: 3 kV Series: Type: VAC/DC Power Supplies Unit Weight: 1.676 lbs

Description

Switching Power Supplies 350.4W 48V 7.3A 115Vac or 230Vac

9. Adjustable DC Power Voltage Converter AC 110V to DC 0-48V 0-21A Module 48V 21A Switching Power Supply Digital Display 1000W Voltage Regulator Transformer Built in Cooling Fan (DC 0-48V 21A)

Feature

The use of advanced switching power supply control technology and components, as well as careful design, the whole small size, light weight, high efficiency, to ensure long-term full load operation of the stable and reliable. With perfect protection.
LED display shows you real-time voltage, which makes it more convenient for you to adjust voltage.
Built-in cooling fan, over temperature protection, overheating automatic shutdown protection; output overvoltage, overcurrent and short circuit protection.
Boot delay soft start, to avoid the power output instantaneous high voltage impact.
Power widely used in power DC screen system, industrial control, communications, scientific research, battery charging and other equipment.Simple operation and easy to use.

Description

DC Output Voltage:0 - 48V adjustable;
Output Current:21A;
Incoming wire stability:5%;
Ripple and noise :180mVp-p;
Efficiency:>85%;
AC input voltange range: AC 110V(90V-132V AC) .

AC input current :8.5A/110V ;

Overload protection: 105%-150% cut off output;
Reset: Self reset;
Start,Rise,Hold time:200ms,50ms,30ms;
Operating temperature: -10 - +50 ;
Power fan working temperature: 40 5 .
Working humidity: 20% -90% RH
Dimensions: 240 * 124 * 65mm / 9.45 * 4.88 * 2.56in (L * W * H);
Weight: 1.5KG / 2.43lb.
In-door use only, for this switching power supply is not waterproof.

Use and precautions:
1. Before inputting the voltage, make sure that the input voltage is in line with the operating voltage of the power supply. The wrong input voltage will damage the power supply
2. Pay attention to positive and negative, do not reverse.
3. Output voltage 0-100% continuously adjustable, with digital output display; output current is not adjustable, limit the highest value; so in the choice, please according to the actual needs.
4. The internal components of the power supply are the best quality, the factory has to undergo a rigorous test, non-general cheap power supply comparable. Can be used for high-end industrial equipment power supply.
Package Included:
1*DC Adjustable DC Switching Power Supply

10. DROK NC Adjustable Voltage Regulator Buck Converter DC 6-60V Step Down to 0-50V Switching Power Supply Stabilizer Module 15A 750W Step-down Volt Transformer with Cooling Fan

Feature

DROK numerical control power converter input voltage range is DC 6-60.00V, adjustable output voltage range is 0-50.00V, step by 0.01V, adjustable output current range is 0-15.00A, step by 0.01A, output power range is 0-750W.
NEW VERSION: the module is an update version, voltage setting and current setting can be operated quickly; screen refresh rate double improved, operation without delay.
Data Store: DROK electricity converter owns power-down stored function and can store 10 groups preset value, besides, it can quickly extract two groups stored value.
Color LCD Display: the volts regulator adopts 1.44 inches color LCD display, you can view the parameters, data set, CC, CV, key lock/unlock indications clearly.
Protection Function: overvoltage, overcurrent, overpower value can be set by user, which will help to protect the module from damaging.

Description

Technical Parameters:
Input voltage range: DC6~60.00V
Output voltage range: 0V~50.00V
Output current: 0~15.00A
Output power range: 0~750.0W
Product Weight: about 113g
Opening size: 71mm*39mm
Output voltage resolution: 0.01V
Output current resolution: 0.01A
Output Voltage accuracy: (0.5% + 1 digits)
Output Current accuracy: (0.5% + 2 digit)
NOTE: Please make sure that the input voltage is 1.1 times higher than output voltage. Under large current circumstances, please pay attention to heat elimination.

Note:
Input voltage range is DC 6-55V and 55v is the limit voltage, please leave a room to use, otherwise it will be burnt.
The input must be DC power supply, not AC 220V, or else it will be burnt too.
Though this module has reverse connection protection and output short circuit protection, you must be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt.

Package Includes:
1* DC Adjustable Constant Voltage Power Module
1* Digital Meter
1* Cable

Conclusion

All above are our suggestions for variable dc power supply 48v. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using variable dc power supply 48v with us by comment in this post. Thank you!
May Murphy