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277vac 24volt led spotlight transformer with junction box

Our 24 volt led transformer feature flexible input voltage (100-277VAC) and can be ordered in 12VDC or 24VDC outputs. Wattage 300w displayed is the Maximum Wattage. Can match lamps of multiple brands. For example, Jaylumi’s LED spotlight and Ushio’s LED tape.
  • Brand:

    SMARTS
  • Item No.:

    SMT-024-096VTH
  • Input Voltage:

    100-277VAC
  • Output Voltage:

    24v dc
  • Output Current:

    4A
  • Working Mode:

    Constant voltage
  • Dimming mode:

    triac dimmable
  • Size:

    188*90*26mm
  • Certification:

    CE UL ROHS listed
Products description

277vac 24volt led spotlight transformer with junction box


This 24vdc led transformer is easier to install than done 100W dimming power supply. The 24-volt constant voltage driver has 7 years warranty is encased in a durable, vented aluminum enclosure. 


  Specification  


model

SMT-012-096VTH

SMT-024-096VTH

Output

DC Voltage

12V

24V

Voltage Accuracy

±0.5V

±0.5V

Voltage Regulation

±0.5%

Rated current

8.00A

4.0A

Load Regulation

±1%

Rated power

96W

96W

Input

Voltage Range

100-277V AC

Frequency Range

47~63HZ

Power Factor ( Typ.)

0.98@120VAC  0.95@277VAC

0.98@120VAC  0.95@277VAC

 

Full Load Efficiency(Typ.)

>83%

>83%

AC Current(Typ.)

0.9A/110VAC

Inrush Current (Typ.)

14A, 50%, 780us

Leakage current

<0.50mA

Over temperature

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

Short Circuit

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

Over Loading

≤120% Hiccup mode,recovers automatically after fault condition is removed

Over voltage

≦140VAC(90~135V) , ≦285VAC(170~277V)

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

UL8750+UL1310

Withstand voltage

I/P-O/P:3.75KVAC  

Isolation resistance

I/P-O/P:100MΩ/500VDC/25℃/70%RH

EMC EMISSION

FCC Part 15 B

EMC IMMUNITY

Compliance to EN55015; EN61000-4-2,3,4,5,6,8,11, EN61547Alight industry level (surge4KV)

Others

Weight

About 1.1Kg

Size

220*93*41mm(L*W*H)

packing

10PCS/CTN(L*W*H)

Notes

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 . 

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  Product size  


led spotlight transformer

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  


The 24v lighting 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.


  Connecting diagram  


outdoor led transformer

  FAQ  

1.  Is there a Tc point on the driver? And do you have a lifetime derating curve for case temperature? At 60 Watt load we are seeing a case temperature of 60°C.


Answer:  The TC point is right above on the led transformer when you test it. So far, we didn't show it on the lables. If it is necessary for you, we will show TC point on the next orders, ok?Enclosed please find the picture of  derating curve for your reference.
 
 
2. What is the wire gauge that fits into the ETL Triac Dimmable LED Driver? 
Answer: 14-26 AWG
 
3. What is the difference between the 20w/45w UL and 24w/48w ETL model?
Answer:
-- when you install a 20w/45w UL led driver in your led light you should consider abbot min. 55% load limtation. If it less than 55%, the led light will have flick problem.  But the 20w/45w ETL model is no load limitation. You can load it in the led light 1-48w.
-- the height of 24w(20mm)/48w(24mm) is lower than 20w(28mm)/45w(34mm).


4. Just to confirm the drivers are Three In One Dimming Function Compatible With Leading-edge/Trailing-edge Dimmer, No Flicker? No Min load?
Answer: Our Triac dimmable led drivers are compatible with Leading-edge/Trailing-edge Dimmer,no flicker,no min load.

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