Find DALI Dimmable Constant Current LED Driver, LED Driver Circuit , LED Power Driver on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)

The Latest Product Alerts Send Me

DALI dimming DC 20-40v 1050ma 42w constant current led driver for led bulb

Basic Info

Model No.: SMT-040-1050CM

Product Description

DALI dimming 20-40v 1050ma 42w constant current led driver for led bulb

Product Description


  1. AC-DC DALI Dimmable LED Driver
  2. wide input volt and freq: 100-265vAC /47~63Hz
  3. Ambient temp.:-20 degree~40 degree  @ full load
  4. Efficiency > 88%
  5. PF>0.90
  6. size:   180*60*34  mm
  7. waterproof rate:  IP40
  8. packing: 20pcs/ctn
  9. Vi=110/220V
  10. THD:<10%
  11. 3 years warranty  
  12. Isolated Designing solution 

Product Features:

1.Universal AC input (100~265V)

2.Protections: Short circuit/Overload/Over voltage/Over temp.

3.Built-in active PFC function

5.designing standard: Ul1310 Class 2 power unit

6.Cooling by nature

7.Suitable for dry location

8.Suitable for LED lighting and moving sign applications

9.Follow the global lighting safety regulations


Environment parameter:

1. Working temperature:-40 -80°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


Safety :

  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


Product parameters:

Model                      Input 
voltage(AC V)


Frequency (Hz)  


 Voltage (DC V)

 Output  Current

(DC mA)



(DC W)

Certificate Warranty  Protection 
SMT-120-0350CM 100-265V 50/60Hz  60-120V 350mA 42W CE,UL/cUL, RoHS 

3 years 


SMT-100-0500CM 100-265V 50/60Hz  45-100V 500mA 50W CE,UL/cUL, RoHS 

3 years 


SMT-065-0700CM 100-265V 50/60Hz 30-65V 700mA 45W CE,UL/cUL, RoHS 

3 years 


SMT-050-0900CM 100-265V 50/60Hz 20-50V 900mA 45W CE,UL/cUL, RoHS 

3 years 


SMT-040-1050CM 100-265V 50/60Hz 20-40V 1050mA 42W CE,UL/cUL, RoHS 

3 years 


SMT-035-1200CM 100-265V 50/60Hz 15-35V 1200mA 42W CE,UL/cUL, RoHS 

3 years 


SMT-035-1400CM  100-265V 50/60Hz 20-35V 1400mA  49W CE,UL/cUL, RoHS 

3 years 






Our products are widely used in various industries, such as

  1. indoor/outdoor LED illuminating lights, 
  2. LED Neon, 
  3. LED urban Decoration
  4. LED Lighting Advertising, 
  5. LED Display, 
  6. Safety Protection Apparatus, 
  7. Telecommunications, 
  8. Networks, 
  9. Vehicle Lights, Controller Panels, etc.

 DALI dimming 20-40v 1050ma 42w constant current led driver for led bulb


Related products

Hot saling triac dimmable constant voltage led drivers :


Pictures Model Number output





12V  @1A    12W


24V  @0.5A 12W






12V  @4A     48W


24V  @2A     48W






12V  @5A     60W


24V  @2.5A  60W



All of our dimmable led drivers are paried with ETL listed Junction boxes:



All above LED drivers meet spec and features as bellow:

No load limitation

PWM out

0-100% dimming range

Input: 100~130v / 170-265vAC / 47-63Hz
Waterproof rate:Aluminum  ip67
Working mode: constant voltage
Output type:single output 
Dimming mode: triac /phase cut /leading edge dimming.
Efficiency: 84%   pf:0.8
Warranty: 3 years warranty
Protections:Short circulit/Over load/over voltage/over temp.
Conforms to UL 1310 class 2 standard.
ETL/cETL, FCC, CE(EMC+LVD),ROHS approval.  (ETL file# 5005044)
Company Information

Quanzhou Smarts Electronic & Technology Co.,Ltd                                                                                


1).  Our major markets are in EU & North America,it takes about 85% markets share,that to say we do high quanlity power suppliers only.


2).  Most of our products are approved with UL/CE/Rohs approval, our ULfile#E365202.


3).  We give 3 years warranty


4).  We accept trial orders begining.. 


5). W have an area of 2000 square meters factory,  about 300-500 production staff. ..




CE, UL/CUL, ETL,FCC, ROHS approval.

our market                                                                                                                                                       

Our major markets are in EU & North America,it takes about 70% markets share. view  transaction history



factory & equipments view:                                                 

Packaging & Shipping

packaging & shipping                                                                                                                   

inner box-white box + outer carton- standard exporting carton for packing

Our Services

Our service                                                                 

  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 industrial 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. Samples will be ready within 7 working days.
  8. 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.
  9. Our trade manager is online 12 hours. and we will reply your inquiry within 8 hours.
  10. OEM design & OEM packing welcom.
  11. 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, 010v/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.

Send your detailed inquiry bellow for professional & prompt reply,

Click "  send  " now!


Product Categories : DALI Dimmable LED Driver > DALI Dimmable Constant Current LED Driver

Email to this supplier
  • *Subject:
  • To:

  • *Messages:
    Your message must be between 20-8000 characters