Non-dimmable LED Driver

UL Listed 24v Dimmable LED Driver Power Supply

SMT-024-120VTH is an excellent quality UL Listed 24volt 5.00A 120W 24v dimmable led driver. Compatible with most AC wall dimmer including Lutron, Leviton and most other household dimmers.
  • item no.:

  • lead time:

    About 7 days for samples
  • product orgin:

  • brand:

  • shipping port:

    Xiamen Port
  • payment:

    T/T, Paypal, Western Union, Creadit Card
  • Input Voltage:

  • Output Voltage:

  • Working Mode:

    Constant Voltage
  • Certification:

    UL, Class P, TYPE HL
  • Warranty:

    7 Years Warranty
inquiry now download
product details
UL Listed 24v Dimmable LED Driver Power Supply


dimmable led driver

  Product description  

Our 277VAC VTH series  is an excellent quality Triac Dimmable Power Supply. Compatible with most AC wall dimmer including Leviton, Lutron and most other household dimmers. Can be used for many LED lights including strip light, puck light, module light,led bar light and many other applications. Requires no minimum load and it is very quite without any buzz or humming noise.

Warning: Do not overload. It is recommended not to exceed 80% of dimmable driver's capacity. Please calculate your load before connecting the power. 



Output constant voltage

Input voltage range 100-277VAC

Built-in PFC function / PF>0.97

E fficiency > 85% / Dimming range: 0~100%

Protections:short circuit/over voltage/over heat

PWM output, does not change the color index

IP20 design for indoor installations

Cooling by free air convection / Flicker-free

Work with leading edge and trailing edge TRIAC dimmers

Strong compatibility, flicker-free dimming

Suitable for LED lighting and moving sign applications

Compliance to worldwide safety regulations for lightings.

Compatible with Forward phase, Reverse phase, Triac, MLV, ELV Dimmers

7 years warranty

NON-waterproof use for indoor dry or damp location only

led driver for strip light





DC Voltage



Voltage Accuracy



Voltage Regulation


Load Regulation



Rated current



Rated power



Voltage Range

100~277V AC

Frequency Range


Power Factor ( Typ.

0.99@120VAC  0.96@277VAC

0.98@120VAC  0.96@277VAC

Full Load EfficiencyTyp.



AC CurrentTyp.


Leakage current



Short Circuit

shut down o/p voltage, re-power on to recover after fault condition is removed

Over Loading

≤120% constant current limiting, auto-recovery

Over temperature

100℃±10℃ shut down o/p voltage, automatically recover after cooling.


Over voltage

140VAC(100~130V) , ≦270VAC(170~277V)


Working TEMP.


Working Humidity


Storage TEM.,Humidity





10500Hz2G 10min./1 cycleperiod for 60min.

each along X,Y,Z  axes


Safety standards

UL8750, UL1012

Withstand voltage

I/P-O/P:3.75KVAC  I/P-FG:1.88KVAC  O/P-FG:0.5KVAC

Isolation resistance



FCC Part 15 B


Compliance to EN61000-4-2,3,4,5,6,8,11,EN61547

Alight industry level surge4KV





220*93*41mm (L*W*H)    


329*279*176mm , 10PCS/ctn


1. All parameters NOT specially mentioned are measured at 110V/277VAC input , rated load and

25℃of ambient temperature.

2. Ripple& noise are measured at 20MHz of bandwidth by using a 12”twisted

 pair-wire terminated with a 0.1uf &47uf parallel capacitor.

3.  Tolerance:includes set us tolerance,line regulation and load regulation . 

Triac dimmable led driver
Dali dimmable led driver
0-10V led power supply
277v led driver

  Mechanical Specification for dimmable driver  

dimmable driver

※Input:18AWG Black and White to be connected to AC L and N ,Green wire go ground,

※Output: Red is(DIM+),Black is(DIM-)

※Note: Any other requests we can customized


  Dimming Operation for 24v dimmable led driver  

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


※Compatible with Leading edge or trailing edge triac dimmers, but trailing edge dimmers work better..

※Please try to use dimmers with power at least 1.5 times as the output power of the driver.


  Derating Curve for 24v dimmable led driver  

24v dimmable led driver


※Load carried in accordance with the load derating curve, according to the ambient temperature derating, in order to

extend the working life.


  Simple Connection Diagram  



Send Us An Inquiry

We will contact you as soon as possible!

If you have questions or suggestions,please leave us a message,we will reply you as soon as we can!

hot products
related products
277VAC Dimmable POWER SUPPLY UL Listed 277VAC Dimmable LED Strip POWER SUPPLY 12v
Triac/ Phase cut 30WATT TO 300WATT PWM Digital Dimming LED POWER SUPPLY
12V 30W Triac Dimmable LED Driver UL/cUL Listed 30W 12volt dc LED Strip Power Supply
The Slim Line series LED Strip Power Supply are UL/cUL listed for use in Canada and USA and covered by 7 years manufacturer limited warranty.
UL/cUL 12VDC 60W Triac Dimmable LED Driver UL 110VAC 12VDC 50W 60W LED Power Supply with PWM output
Dimmable Class 2 110V LED Power Supply Slim Line series comes in 12VDC and 24VDC models.  Suitable for LED lighting and sign lighting applications
12vdc 200v triac dimmable led driver with 7 years warranty high power 12volt 200 watt led power supply power driver for led
Smarts Electronics' SMT-012-200VTH LED Driver is the perfect choice for use in Schools, Hospitals, and Shopping Malls or for any commercial application that 277V is present.
UL listed 277vac 12vdc Triac dimmable led driver ul listed outdoor lighting 277v to 12v transformer
High power factor UL CE Rohs listed 100-277vac 12v dc Triac dimmable transformer paired with Junction Box used for outdoor lighting
UL listed 277Vac Constant Voltage Triac Dimmable LED Driver HIGH EFFICENCY High PF ul 277vac 24v constant voltage dimmable led driver
UL 100-305VAC Triac dimmable led driver with PFC> 0.98 , high efficiency> 97%, and paried with relative junction box.
Traic Dimmable Constant Voltage LED Driver ETL CE 277vac to 12v dc dimmable led strip power supply
Smarts Electronics Offers a wide selection of LED drivers and LED power supplies with inputs of 277Vac . These drivers are ideal for 277Vac delta or wye AC configurations.
Constant Voltage Triac Dimmable LED DRIVER 277 volt ac to 12vdc triac dimmable led light driver match with lutron 277v led dimmer
UL CE Rohs listed and has 5 years warranty 277vac Triac Dimmable led light driver match with leading edge and trailing edge TRIAC
We Offer All Kinds of LED Drivers Power Supplies for Your LED Lights
Contact us

copyright © 2020 Quanzhou Smarts Electronic & Technology Co., Ltd..all rights reserved. powered by dyyseo.com

friendly links :

Class P LED Driver
Send Us An Inquiry
We will contact you as soon as possible!