277V Class 2 Triac Dim Driver 300W(Standard Size)
class 2 277V multi-output Triac Dimming led driver 12v 300w Fast heat dissipation & high stability.Better dimming effect with Leading edge or trailing edge triac dimmers
| Model | SMT-012-300VTHW2 | SMT-024-288VTHW2 | |
| Output | DC Voltage | 12V | 24V |
| Voltage Tolerance | ±0.5V | ||
| Voltage Regulation | ±0.5% | ||
| Voltage Tolerance | ±0.5V | ||
| Load Regulation | ±1% | ±1% | |
| Rated current | 12.0A (3*4A) | 25.0A (5*5A) | |
| Rated power | 288W (3*96W) | 300W (5*60W) | |
| Input | Voltage Range | 100-277VAC | |
| Frequency Range | 47~63HZ | ||
| Power Factor(Typ.)@ full load | 0.99@120VAC 0.95@277VAC | 0.99@120VAC 0.95@277VAC | |
| THD(Typ.)@ full load | <20% | ||
| Inrush Current (Typ.) | 35A ,50%,960us @120VAC ; 43A,50%,1ms @277VAC | ||
| Full Load Efficiency(Typ.) | >88% | >88% | |
| AC Current(Typ.) | 3.4A@100VAC | 3.6A@100VAC | |
| Leakage current | <0.50mA | ||
| Protection | 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 | ||
| Over temperature | 100℃±10℃ shut down o/p voltage, automatically recover after cooling. | ||
| 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:1.88KVAC | ||
| Isolation resistance | I/P-O/P:100MΩ/500VDC/25℃/70%RH | ||
| EMC EMISSION | FCC 47 CFR Part 15 ,Subpart B | ||
| EMC IMMUNITY | EN61000-4-2,3,4,5,6,11(Surge 4KV) | ||
| Others | Weight | 1.90Kg | |
| Size | 301*78*47mm (L*W*H) | ||
| packaging | 10PCS/CTN 385*335*200mm 20PCS/CTN | ||
| Notes | 1. All parameters NOT specially mentioned are measured at 110V & 277VAC input , rated load and 25℃of ambient temperature. | ||
| 2..Tolerance:includes set us tolerance,line regulation and load regulation. | |||

Inputwire 18AWG?Black and White to be connected to AC L and N ,Green wire go ground,
Outputcable 2*16AWG,Red"(+) to LED Positive side (+) , "Black"(-)to LED Negative side (-).
Note:Three groups output cables. of SMT-024-288VTHW2 and five groups of SMT-012-300VTHW2
Please make sure your connect these correctly otherwise your product will not function correctly and could be damaged.
Note:Output wire : Tolerance:P 0.5-2mm

