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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: SMARTS
  • Model Number: SMT-012-048VT
  • Output Power: 48W
  • Output Type: Single
  • Input Voltage: 90-135vAC/170-265vAC
  • Output Voltage: 12VDC
  • Output Frequency: 47-63Hz
  • Output Current: 4A
  • outer case: plastic cover
  • waterproof rate: IP20
  • working mode: constant voltage type
  • dimming mode: triac dimmable
  • size: 178*61*24mm
  • Efficiency: > 86%
  • warranty: 5 years
  • certificate: CE, ETL,FCC RoHS approval
  • energy transfer: AC-DC
  • Protection: 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 Information

Quanzhou Smarts Electronic & Technology Co.,Ltd (SMARTS INDUSTRIAL (HOLDING) CO LTD) was founded in 1998. The company is located in a developed economy, abundant resources, beautiful scenery of Quanzhou city Licheng district town pontoon, the company has an area of 2000 square meters, production workshop, warehouse, office, living facilities complete with. With the development of society, human increasing awareness of "green energy, environmental protection, save energy" becomes... View detail   website: www.smarts-electronics.com


our team:



CE, UL/CUL, ROHS approval.

factory & equipments view:


Our market:

Our major markets are in EU & North America,it takes about 85% markets share. view transaction history


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


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
17 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $232,000
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