Constant Current Triac Dimming 700ma LED Driver 40W

  • 1-50 Pieces
  • 51-100 Pieces
  • >=101 Pieces
- + Pieces available
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Shipping fee:
Depends on the order quantity.
Lead Time:
4 day(s) after payment received
Customized logo (Min. Order: 50 Pieces)
Customized packaging (Min. Order: 50 Pieces)


Graphic customization (Min. Order: 50 Pieces) Less
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Quick Details
Place of Origin:
Fujian, China
Brand Name:
Model Number:
Output Power:
Output Type:
Input Voltage:
Output Frequency:
Output Current:
outer case:
plastic housing/ IP20
working mode:
constant current type
unit weight:
energy transfer:
CE approval
3 year warranty
key word:
led driver constant current

Packaging & Delivery

Selling Units:
Single item
Single package size: 
11X4.5X2.6 cm
Single gross weight:
0.17 kg
Package Type:
1pc/white box +5pcs /Standard Outer Carton, packing for constant current dimming led driver
Picture Example:
Lead Time :
Quantity(Piece) 1 - 200 201 - 500 >500
Est. Time(days) 4 7 To be negotiated
Video Description

Constant Current Triac Dimming 700ma LED Driver 40W


Product Description


SMARTS SMT-50-0700CTH is 700mA  38-50V constant led driver is constant current dimming led driver. Encased in a low profile plastic enclosure to enable easy installation makes it the perfect choice for under cabinet lights, tape lights and various LED fixtures installations.





constant current type  
Input voltage range  180-265V

Output:  38-50V  700mA  40W
CE approval 
Protections:short circuit/over voltage/over heat
IP20 design for indoor dry environment installations
Cooling by free air convection   
PWM output, does not change the color index 
Full protection aluminum housing, for dry, damp location
Suitable for LED lighting and moving sign applications
Compliance to worldwide safety regulations for lighting
3 years warranty



What kinds of dimmer should clients used for this models:


1) Busch-2250UGIRA-030200
2) Berker-2875GUNG266GDECLIPSAL
32E450LM-TM 32E450L-T
C2032E450L-T SC2032E450L-T SL2032E450L-T
P2032E450LM-TM P2032E450L-T 1920E450L
4) Lutron (220VAC types)


click for more information^_^ 


What is more, Smmarts Electronics has issued our own brand triac dimmer switch.  Pls check specifications as below:



1) Soft locking.

2) Only connect L(LIVE).

3) Dimming operation: Knob pannel with a rotary.

4) Phase-cut model: trailing edge dimming.

5) Memory function: remember the last brightness when turn on dimmer again

6) Over current protection.


1) Only connect L(LIVE).

2) Dimming operation: Knob pannel with a rotary.

3) Phase-cut model: leading edge dimming.

4) Memory function: remember the last brightness when turn on dimmer again.



1) Only connect L(LIVE).

2) Dimming operation: Touch pannel with three touch botton.

3)Phase-cut model: trailing edge dimming.

4)Memory function: remember the last brightness when turn on dimmer again.
5) Over current protection




1) Only connect L(LIVE).

2) Dimming operation: Touch pannel with one touch botton.

3)Phase-cut model: trailing edge dimming.

4)Memory function: remember the last brightness when turn on dimmer again.

5) Over current protection



What kinds of triac constant current triac dimmable led driver Smarts Electrinics have? Smarts Electronics only sell constant current type triac dimmable led drivers? 


1. We sell all kinds of triac dimmable led drivers with constant current type from 150mA 200mA 250mA 300mA 350mA 400mA 450mA 500mA 600mA 700mA 900mA 1050mA 1400mA 1750mA . With CE (220-240Vac) ETL(100-130Vac) for your selection. 

2. We also seel triac dimmable led drivers with constant voltage type from 12W to 360W and 12V 24V 36V 48V dc type. 


More detials if you need, pls contact with Jessica by Skype: sales5smt /  Whatsapp/Phone: +86 13635216739 / Mail: sales5@


Dimming Operation

Output constant current level can be adjusted through input terminal of the AC phase line(L) by connection a triac dimmer.

Compatible with Leading edge or tailing edge triac dimmers.

please try to use the small power dimmer, have access to a wider dimming range, high-power dimmer is difficult to achieve the output current to zero



Connecting Diagram



click for more information^_^ 


Relative Products



Different series Constant Voltage LED Drivers for your choice~

View details

CE Ultra Thin Series:

Plastic Case/ IP44
12V & 24Vdc 6Watt- 60Watt
2 years warranty
CE(EMC+LVD) approval

High PF


Size for 6w:  98.5*45.8*11.9mm

Size for 15w/ 20w: 127.5*50*12mm

Size for 30w/ 42w: 160*57.6*18.4mm

Size for 50w/ 60w: 185*63.5*22.5mm



View details

CE Ultra Thin Series:


 IP20 & IP67 for indoor and outdoor using

12VDC & 24VDC  /  30W -96W
7 years warranty

high Power factor >0.95 , High efficiency >85% 

Class P/ Type HL, class 2 standard


Size for 30W 36W:

Aluminum case: 263*32*20mm / Plastic case: 261*30*19mm

Size for 60W:

Aluminum case: 300*32*20mm / Plastic case: 300*30*19mm

Size for 96W:

Aluminum case: 331*32*23mm / Plastic case: 331*30*22mm


View Details


ETL/cETL CE Rohs Series:


Aluminum Case/ IP67


3 years warranty 
12v & 24v 6w - 250w
high PF>0.95 & high effeciency>87% for 96w to 300w

View Details

UL/cUL 277VAC series:

(Junction Box is built with LED Driver)


Aluminum Case/ IP20


7 years warranty

12v & 24v 6w - 250w
high PF>0.95 & high effeciency>87%
Class P, Type HL Standard
More information, feel free to contact with Jessica:
-- Skype: sales5smt 
-- Whatsapp/Phone/Wechat: +86 13635216739
-- Mail: sales5@   (pls delete the space after @)
Hot Products

What kind of LED Driver/Power Supply Smarts Electronics do?

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

Company Information

    Company Information 

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 Market

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


    Factory & Equipments View     



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



click for more information^_^ 

Our Services

    Our Services 

What Service we can supply??

  • 1.All inquiries will be replied within 24 hours
  • 2.Professional manufacturer,welcom to visit our website
  • 3.OEM/ODM avaliable:
  •      A.Print logo on our product;
  •      B. Customized specification;
  • 4.After Sales-Service:
  •      A. All products will have 100% burn-in test and strictly quality test before shipping;
  •      B. Fast Delivery: 3-7days for samples, 15-20 days for bulk production;
  • 5.High efficiency,long life span,reasonable&competetative price,fast lead time;
  • 6.We have our engineer team, if you have any question about your LED applications, let us know freely.


Frequently Asked Questions  

Q1. What's the trade terms you can do??
A1: We accept EXW,FOB..(Optional)

Q2. What's shipping mode can we choose?
A2: Express, Ocean and air transportation (optional).

Q3. What's the MOQ?
A3: Our MOQ is 1pcs. better price for large quantity;

Q4. What can you do if the product is broken?
A4: We promise to replace new ones to you if there is any defective happen during the warranty period.

Q5. Can i get products with my own logo??
A5: Sure, you can, MOQ is 500pcs.


Q6. Can i get a sample for testing??
A6: Sure, but sample fees should be charged on your account.

Q7. What's the mormal lead time??
A7: 7 working days for samples, 15 working days for mass production.

Q8. What's the payment conditon?
A8: T/T in advance or 30% deposit and 70% before delivery (optional)

Q9. What's the Payment do you have?
A9: We accept payment be sent via T/T, L/C, Trade Assurance, WESTERN UNION, PAYPAL.


Q10.How to contact with me??
A9: Skype: sales5smt 

      Whatsapp/Phone: +86 13635216739
        E-mail: sales5


***Any questions,Just feel free to click "send" to contact with me.^-^***