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Adjustable Stabilized Voltage Constant Current 48v 20 amp power supply

1-19 Units
20-49 Units
>=50 Units
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1 Unit
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Company Information

Guangzhou Wemaxpower Technology Co., Ltd.

CN Manufacturer
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Quick Details

Place of Origin: Guangdong China
Model Number: WMX-ASD4820
Input Voltage: 220AC&plusmn;15%
Output Type: Single
Output Power: &gt;500W
Output Voltage: 48 VDC
Output Frequency: 50/60HZ
Output Current: 20 Amp
Product Name: 48v 20 amp power supply
Application: Electric Power System.etc
Certification: CE
Warranty: 1 Year
Type: Constant Voltage &amp; Current
Protections: Short Circuit.etc
Efficiency: 89%
Dimension: 330*165*88mm (L*W*H)
Power: 960W
Weight: 3.5kg
Selling Units: Single item
Single package size: 42X25X15.5 cm
Single gross weight: 5.5 KG
Package Type: Carton packaging

Adjustable Stabilized Voltage Constant Current 48v 20 amp power supply 

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>>>48v 20 amp power supply<<<

applications48v 20 amp power supply is widely applied into industrial control, electronic power, electroplating, communication, scientific research, instrument, military, medical, ship, railway and other high-tech fields.

The details are as below:

1. Electric tools: LED test and aging, energy-saving bulb testing and aging, lamp testing, tungsten gasification.

2. Automobile: automobile electronics, high power dc motor, automobile motor controller, car lighting, cigarette lighter, automobile audio and video.

3. Electronic devices: capacitors, resistors, relays, transistors, sensors.

4. Motor: electric motor, electric vehicle controller, dc motor test.

5. Display: display screen, liquid screen, touch screen, on-board DVD, mobile phone display.

6. Electrochemical class: electrolysis, electroplating, anodic oxidation, nonferrous metal research.


Product Name

48v 20 amp power supply


WMX-ASD 48 20

48---Output Voltage(V) ; 20---Output Current(A)

Rated Power


Input Voltage

Option :

1 Phase: AC220V±15%,50Hz/60Hz;


Output Voltage

Constant Voltage 0.48~48V(Variable Or Appointed)
Constant Current 0.2~20A (Variable Or Appointed)

Free combination of voltage and current according on user request

Source Voltage Regulation Rate


Load Regulation

Stabilizer Voltage ≤1%; Constant Current≤2%

Voltage Display Accuracy

+ 1.2%

Current Display Accuracy

+ 1.5%.

Display form

0.000 to 9999

Output Voltage Overshoot

≤2% of maximum output

Operation Temperature


Over-Temperature Protection

(75~85) C.

Heat Dissipation Mode/ Cooling mode

Fan heat dissipation

Ripple Voltage




Start-up Output voltage setting time



Lower voltage,Over voltage, Over current, Short circuit, Overheating 

Insulation Strength

Input output: AC1500V, 10mA, 1 minutes;

Input - machine shell: AC1500V, 10mA, 1 minutes;

Output - shell: AC1500V, 10mA, 1 minutes



Remote Control Function (Option)

0-5Vdc /0-10Vdc analog signal control output voltage & current

0-5Vdc /0-10Vdc analog signal to read-back output voltage & current

0-5Vdc /0-10Vdc analog Switch signal to control output ON/OFF

4-20mA analog signal control output voltage & current

RS232/RS485 Communication port control by computer

Dimension /NW



Adjustable Voltage / Current Mode

Knob type & Keystroke type for option



Product Description

variable dc power supply

Regard as the 48v 20 amp power supply, We can customize many other kinds of specifications according to your requirement. Such as:
1. Input voltage: 1 phase 110VAC/220Vac or 3 phases 380Vac;

2. Output voltage:  0~2000V adjustable or appointed;

3. Output current:  0~2000A adjustable or appointed.

sales qualificationcertification

about usabout usLogistics & Transport


Q: Why choose us?
A: Guangzhou Wemaxpower technology Co., Ltd offer you the best quality products and service. Win to win business is our first principle.
Q: Whom we are ?
A: Guangzhou Wemaxpower technology Co., Ltd is a professional manufacturer which combine production and trade. The products series contain DC DC Converter,AC DC Converter,DC power supply,Battery Charger etc. The products is highly used for home applications, motor, photovoltaic panel, car, etc.
Q: Are you a factory or trading company?
A: Yes, we are the direct manufacturer, supply OEM/ODM service.
Q: How about your After sales-service?
A: 1.Guarantee time: 12 Months
2.Return policy: we can exchange goods if quality problem.
Q: Our Payment & Logistics?
A: 1.Payment terms L/C,T/T,Western Union,MoneyGram,Paypal,etc.
2.Shipping terms: DHL, UPS, FedEx, TNT, EMS.
3.Sample order delivered within 24 hours , order lead time within 3 days.
Q: What can you get from us?
A: 1.Excellent products (unique design, strict quality control )
2.Great service(OEM,ODM, after-sales services, fast delivery)
3.Professional business consultation.
Q: What is the MOQ of the 48v 20 amp dc power supply?
A: Low MOQ, 1 set for sample testing is available.