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UL 24v TRIAC dimmable led strip power supply with PWM output

  • SMT-024-150VTH
  • 1
  • Xiamen
  • China
  • about 7 working days
  • 100-305v ac
  • 24 VDC
  • Constant Voltage
  • UL/cUL Listed
  • 7 Years
  • CONTACT US NOW Download
  • Product Detail


UL 24v TRIAC dimmable led strip power supply with PWM output


With the develop of LED lighting market, there is an increasing need to control the light output of LED fixtures. Smarts Electronics offers a wide selection of dimming options including Triac/phase cut, ELV, 0-10V , 1-10V and PWM. Our dimmable led power supply are commonly used in many LED indoor and outdoor lighting applications such as, LED residential lighting, LED horticultural lighting, LED street lamps, LED signage, LED decorative and architectural lighting, LED theatre/stage lighting, LED embedded lighting and LED large screen displays.


dimmable led power supply



Specifications for Dimmable LED Power Supply:

Full range AC input: 90~305Vac

Operating case temperature: -40~+80°

LED Driver - Converts 110V AC / 277 VAC to 24V DC
Inspired LED - Compatible with LED wall dimmers (including Lutron and Leviton)
Long term power - Great Long Term Solution for powering a Low Voltage System
Long Lasting Warranty - 7 year Warranty

High PF>0.98 & High efficiency>87%






DC Voltage




Voltage Tolerance



Voltage Tolerance



Voltage Regulation



Rated current




Rated power



Voltage Range

100-135VAC / 170265VAC


Frequency Range



Power Factor ( Typ.

0.98@120VAC  0.95@277VAC

0.99@120VAC  0.94@277VAC


Full Load 





AC CurrentTyp.




Inrush Current Typ.

15A, 50%, 1.4ms


Leakage current



Short Circuit

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


Over load

≤120% constant current limiting, auto-recovery


TEMP .coefficient




10500Hz, 5G 10min./1 cycle,period for 60min. each along X,Y,Z axes


Over Current

≤1.4*I out


Mechanical Specification for led strip power supply:

 24v power supply

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

Output: Red isDIM+,Black isDIM-

※Note: Any other requests we can customized.


Dimming Operation for 24v power supply:

※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 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 277VAC LED DRIVER:

24v power supply 

To extend their life, please refer to the Derating Curve and derate according to the temperature.



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