12v 4a 48w triac dimmable power supply

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US $16-17 / Piece | 1 Piece/Pieces for CE ETL ROHS ETL 12v 4a 48w triac dimmable power supply (Min. Order)
Supply Ability:
30000 Piece/Pieces per Month for CE ETL ROHS ETL 12v 4a 48w triac dimmable power supply
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Quick Details
Place of Origin:
Fujian, China (Mainland)
Brand Name:
Model Number:
Output Power:
Output Type:
Input Voltage:
Output Voltage:
Output Frequency:
Output Current:
outer case:
plastic cover
waterproof rate:
working mode:
constant voltage type
dimming mode:
triac dimmable
> 86%
5 years
CE, ETL,FCC RoHS approval
energy transfer:
Short Circuit/overload/overvoltage
Packaging & Delivery
Packaging Details
white box + seaworthy carton packing for CE ETL ROHS ETL 12v 4a 48w triac dimmable power supply
Delivery Time
in 7 working days for samples

CE ETL ROHS ETL 12v 4a 48w triac dimmable power supply


Product Description


  1. AC-DC Triac Dimmable LED Driver
  2. Universal AC input (90~135VAC, 170~ 265VAC) frequency range:47~63Hz
  3. Output:  12v  @ 3.75a   45w
  4. Ambient temp.:-20 degree~50 degree
  5. Efficiency > 85%
  6. PF>0.90
  7. Product dimension(L x W x H): 180*60*34mm
  8. IP rate:  IP40  
  9. cover material: plastic cover
  10. 3 years warranty  (We promise to replace new ones to you if there is any defective happen during the warranty period) 


  1. Cooling by free air convection
  2. 100% full load burn-in test
  3. High reliability 
  4. Built-in active PFC function
  5. designing standard: Ul1310 Class 2 power unit
  6. Follow the global lighting safety regulations
  7. Environment parameter
  8. Working temperature:-40 -80°C
  9. Store temperature:-40 -85°C
  10. Working humidity:10-90% 

Environment parameter:

  1. Working temperature:-40 -50°C
  2. Store temperature:-40 -85°C
  3.  Working humidity:10-90%
  4. Lifespan:(MTBF)50,000 hours
  5. Case machine specifications
  6. Case: plastic case


  1. Safety Standards : IEC 61347 –2–11 , IEC 61347 –1 , IEC 60529
  2. Withstand Voltage : I/P-O/P: 3000KVAC
  3. Isolation Resistance : I/P-O/P:100M Ohms/500VDC
  4. Protections: over load,over heat,over voltage and short circuit


Our products are widely used in various industries, such as

  1. outdoor LED illuminating lights
  2. LED Neon
  3. LED City Decoration
  4. LED Lighting Advertising
  5. LED Display
  6. Safety Protection Apparatus
  7. Telecommunications
  8. Networks
  9. Vehicle Lights
  10. Controller Panels, etc.
CE ETL ROHS ETL 12v 4a 48w triac dimmable power supply

Related products

What kind of LED Driver/Power Supply We do??                                                                                                      

We specialized in constant voltage & current LED drivers, 010v/triac/DALI dimmable led drivers, enclosure power suppliers, power adapters.

Packaging & Shipping


Company informations

Smarts Electronics, the led driver manufacturer located in Quanzhou, 7 years trade experience in Alibaba.

We can supply 7 kinds of led drivers & led power supply. 

1.Constant Voltage LED Driver;

2.Constant Current LED Driver;

3.Triac CC&CV Dimmable LED Driver

4.0-10v  CC&CV Dimmable LED Driver

5.DALI CC&CV Dimmable LED Driver

6.Power Adapter

7.Switching Power Supply

All of our drivers are got UL/cUL CE ROHS listed .OEM Welcome.


Our led drivers are widely used for:

1.Indoor LED illuminating lights

2.LED Neon, LED urban Decoration

3.LED Lighting Advertising,LED Display

4.Safety Protection Apparatus

5.Telecommunications, Networks

6.Vehicle Lights, Controller Panels


Our team:


Our factory:




Our Services

why choose us??


1.   We are UL/cUL audited LED drivers/power supplies enterprise in China. 

2.   Alibaba assessed 6 years Gold supplier and more than 10 years led industry experience. it will                        guarantee your order 100% safe!
3.   Price is negotiable if you have large quantity demand.
4.   100% QC inspection Before Shipping.
5.   Best Quality & Best Service with Competitive price.
6.   Shipping will be the most economical for you and freight cost is informed in advance for your                             consideration decision for the shipping terms will be made according to your requirements.

7.   We have our engineer team, if you have any question about your LED applications,                                         let us know freely, we will give you the best solution.

8.   Our trade manager is online 12 hours. and we will reply your inquiry within 8 hours.

9.   OEM design & OEM packing welcome.

10.  Samples will be ready within 7 working days.




>Q1.             What's type power supply do you have?

Answer:      We specialized in constant voltage & current LED drivers,

                   0- 10v/triac/DALI dimmable led drivers, enclosure power suppliers, power adapters


>Q2.             What's shipping mode can we choose?

Answer:     1.FedEx/DHL/UPS/TNT/Express for samples;

                   2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

                   3. Customers specifying freight forwarders or negotiable shipping method


>Q3.             What's the MOQ?

Answer:      Our MOQ is 500pcs, but we accept your trail order/small order, no problem.


>Q4.            What can you do if the product is broken?

Answer:      We promise to replace new ones to you if there is any defective happen

                   during the warranty period, but we need pictures or video to prove the defective 

                   comes from our quality problem


>Q5.             How about the protection of product?

Answer:      Most of our products have protection of short-circuit. overload,
                   over voltage, over current and reserve polarity. About the specific product, 

                   please consult our salesstuff.


>Q6.              How about the transportation?

Answer:                         For small order,express will be best.And for bulk order,sea ship way is best but take much time. 

                    For urgent orders,we suggest via air to airport plus our ship partner send to your door. 

                    We will cooperate with your choice.


>Q7.              What's the Payment do you have?

Answer:       To assure you the maximum comfort and satisfaction, Currently, you can pay via T/T, L/C, 

                    WESTERN UNION, PAYPAL. More payment options will be added in the near future