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Non-dimmable LED Driver

300ma 350ma 500ma PWM dimmable constant current LED light driver

300ma 350ma 500ma PWM dimmable constant current LED light drivers are mainly applicable to LED decorative lighting, building lighting, stage lighting, LED display and theatre.
  • item no.:

    SMT-040-0300CTH
  • lead time:

    7 woking days for samples
  • product orgin:

    China
  • brand:

    SMARTS
  • shipping port:

    Xiamen
  • Input Voltage:

    100-265VAC
  • Output Voltage:

    28~40V
  • Output Current:

    300ma
  • Working Mode:

    Constant current
  • Certification:

    CE ROHS
  • Warranty:

    3 years
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product details

300ma 350ma 500ma PWM dimmable constant current LED light driver 


PWM dimmable constant current LED light driver - high quality,high power factor,low temperature rise,high efficiency. It has no noise, no flicker, over-current protection and short circuit protection and comes with terminal, easy to install.



Features:

Output: constant current

Input range :180-265VAC

Built-in PFC function

Efficiency > 84%  / PF>0.9

Protections:Short circuit/over Voltage

Fully isolated plastic case

Easy installation

Cooling by free air convection

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 lighting

3 years warranty   


  

Specification: 

Model

SMT-030-0400CTH

SMT-028-0450CTH

SMT-040-0300CTH

SMT-025-0700CT

Output

DC Current

400mA

450mA

300mA

700mA

Current Accuracy

±5%

Voltage Range

18~30V

16~28V

28~40V

10~25V

Rated power

12W

12W

12W

17.5W

Input

Voltage Range

180~265VAC

Frequency Range

47~63HZ

Power Factor (Typ.)

PF≧0.92/110V ; PF≧0.95/220V ; PF≧0.93/250V

Full Load Efficiency(Typ.)

85%

86%

85%

85%

AC Current(Typ.)

0.14A/110VAC  0.12 A/220VAC  0.01A/250VAC

Leakage current

<0.27mA/110VAC; ﹤0.25mA/220VAC

Protection

Short Circuit

Hiccup mode, recovers automatically after fault condition

is removed.

Over voltage

≦270VAC

Environment

Working TEMP.

-40~+60℃

Working Humidity

20~90%RH,non-condensing

Storage TEM.,Humidity

-40~+80℃,10~95%RH

TEMP.coefficient

±0.03%/℃(0~50℃)

Vibration

10~500Hz,2G 10min./1 cycle,period for 60min.

each along X,Y,Z  axes

Safety&EMC

Safety standards

EN-60950-1, EN-61347-1-2

Withstand voltage

I/P-O/P:3.75KVAC  

Isolation resistance

I/P-O/P:100MΩ/500VDC/25℃/70%RH

EMC EMISSION

Compliance toEN55015,EN61000-3-2 (≧50%load)

EMC IMMUNITY

Compliance to EN55015,EN61000-4-2,3,4,5,6,8,11,A light industry 

level (surge4KV)

Others

Weight

0.16Kg/pcs

Size

85*45*26mm  

mmm(L*W*H)

packing

324*298*176mm

Notes

1. All parameters NOT specially mentioned are measured at 110V/230VAC 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 .



Product size: 

dimmable constant current LED driver




Connection diagram: 

dimmable constant current LED driver


Our Services 


  • 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.





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




FAQ: 


1. I tested the magnitude magnetic driver and it runs the LEDs to hot. Does the one you offer run the LEDs like a switching power source and is dimable with a triac dimmer?

Answer:  Yes, all our led drivers run the leds like switching power source and this led driver you've mentioned is triac dimmable type, it should be dimmable with a triac dimmer.


2.What is UL annual fees?

Answer: UL annual fees will be charged by UL for once time each year. Its funtion is maintaining cost for the online UL file.

Actually, it's necessary for you to pay UL multiple listee cost and UL annual fees to UL if you would like to do UL multiple listing. And all the cost would be charged by UL directly. 

 

3.Do these(vt) buzz working with forward edge dimming?

Answer: Actually, we sugguest that our customers usel with forward edge triac dimmer for our 100-130vac VT series. And they work well with  forward edge triac dimmer.

     Most importantly, there is almost  no any buzz during they work with forward edge triac dimmer. 



More details you want to know about Smarts Electronics’ led driver, you can login https://www.smarts-electronics.com/Or contact with Mr. Steven (skype: steven821228 mail:steven@smartselectronic.com.cn) .




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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!

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