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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Huarui
  • Model Number: DR-DCT-20
  • Output Power: 1 - 50W
  • Output Type: Single
  • Input Voltage: 100-240V
  • Output Voltage: 35-40v
  • Output Frequency: 48-62Hz
  • Output Current: 500ma
  • Dimension: 108*42*23

Packaging & Delivery

Packaging Details bubble bag ,inner box,and carton etc
Delivery Time within 1 week after payment


factory price and high quality
5%-100% dimming range
2 years warranty 5000hours lifespan

 constant current:

Model No.


Input Voltage Range


AC Frequency


output modeConstant current 
output current500ma  
load voltage35-40v
no load voltage48Vmax
output power20w
power factory>0.95


Environmental Specifications
Operating Temperature -25~+55°C
Storage Temperature-40~+70°C
Over-voltage protection110%-150% rates output voltage
Relative Humidity5-95%
voltage resistanceI/P-O/P:3.75KVAC/1min
Life time50000Hours,at TC max
Conformity & Standards

EN 55015
EN 61000-3-2-CLASSIC
EN 61000-3-3
EN 61000-4-2,3,4,5,6,8,11
EN 60598


Product features: 

1.Power supply output voltage stability; 
2.High temperature stability of power supply; 
3.Low per of the common-mode differential-mode noise; 

4.Power supply has a high dynamic response capabilities; 
5.There are soft-start power, high reliability products; 
6.Higher power efficiency, small heat; 
7.Margin component parameters, and long product life; 
8.High-frequency output rectifier are low resistance with high-frequency electrolytic capacitors
9.High-frequency transformers are the "sandwich" techniques, leakage of small, small distributed capacitance, EMI interference small; 

10.Devices using the brand components, quality and stability.



1. a plant of 1000 square meters,over 100 employees;

2. 5~9 days delivery time, 2 years warranty;

3. UL, ETL, CE, RoHS certifications;

4. Strong R&D teams,with at least 2 new models released monthly;

5. Large stock of materials;

6. Strict quality check process, tested for at least 24hrs before delivery;

7. Neutral Package, or customer color box package upon requirements.

8. Pay attention to innovation, high quality and reasonable price.


Quality guarantee:

 All the driver have automatic protection of overload, short circuit, temperature,etc.

Guarantee:1.The warranty period is 2 years.

                     2.During the time ,if the product have any question ,we can change the same to you.  

We can design the product according to your requirement.


Company Information

Our factory:



Shenzhen Huarui Technology Co., Ltd was established in October 2009 , is a professional photoelectric lighting technology development and application of high-tech enterprises . We are committed to the research and development field of energy saving applications, LED lighting applications will be our core business. rapid innovation and development throughout the company 's operating style of behavior .

LED driver and LED light is our mainly product.



welcome old and new customer inquiry!    

 if you have any question,pease feel free contact me!


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