12V 4A desktop switch mode power supply

FOB Price: US $ 6 - 7 / Piece | Get Latest Price
Min.Order Quantity: 500 Set/Sets
Supply Ability: 1000000 Set/Sets per Day
Port: shenzhen
Payment Terms: T/T
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Quick Details

Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Output Power:
1 - 50W
Output Type:
Input Voltage:
Output Voltage:
Output Frequency:
Output Current:
Output current:
Output voltage:
Output power:

Packaging & Delivery

Packaging Details: Package size 42*37*32
Delivery Detail: 10-15DDAYS


12v4Adesktop switch mode power supply
2.Low price and reliability
3.High efficiency


12V4A desktop switch mode power supply


Detailed description


Switch power supply

1)input voltage: AC 100-240V 50/60HZ
2)range voltage: AC 90-264V 47/63HZ

Safety Approvals


UL/CUL, PSE, GS, BS, CE, CB, FCC, and EK-Mark 



1)over voltage protection: 120%min
2)over current protection: 120%min
3)over protection

4Short-circuit protection: automatic recovery ­

5Load regulation: ±5%


Environmental requirement


1)operating temperature: 0-40
2)storage temperature: -20-85
3)opera ting relative humidity:595%RH
4) Withstanding voltage: AC 3,000V (minimum), 5mA (maximum) ­

5Insulation resistance: DC 500V 100MΩ (minimum) ­



Brand name: LYD




1.  AC input power suitable for the world

2.  Soft-start current can reduce the AC input impact efficiency

3.   With short-circuit and overload protection

4.   Compact size ,light weight

5.  100%full-load burning test

6.   Installed with EMI filter ,minimum wave


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Shenzhen Lianyun da Electronics Co., Ltd is a professional production of switching power supply manufacturers, has an independent R & D, production (and has its own SMT clean room), and sales organizations; the company's diverse product specifications and beautiful appearance. The Company's products designed in strict accordance with safety regulations standards: IEC950, 60335,61558, EN60335, 61558, UL1950, 1310,1012 and in full compliance with (UL/CUL CE SAA C-TICK KC TUV GS PSE FCC) ce... View detail

Basic Information

Business Type: Manufacturer  
Main Products: LED Power Supply,LED Driver,LED Power Adaptor,PoE power Adaptor,AC DC Adapter  
Number Of Employees: 201 - 300 People  

Trade & Market

Main Markets: North America
Eastern Europe
Eastern Asia
South America
Southern Europe
Western Europe
Northern Europe
Total Annual Sales Volume: US$5 Million - US$10 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Six Floor, Maocheng Building,Xicheng Industrial Area, Bao'an District  
No. of Production Lines: 6  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

China (Mainland) | Contact Details
Experience: Established 2006 , 6 years OEM

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Ms. li lan
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