277V Triac Dim Driver 250W (Standard Size)
SMT-012-250VTHW
Triac Dimmable LED Driver
SMARTS
Triac dimmable led power supply 24 v Through 100% full load burn-in test,Conforms to North American safety standards and has passed UL CUL certification. 7 years warranty Customizable labels
M...
Triac dimmable led power supply 24 v Through 100% full load burn-in test,Conforms to North American safety standards and has passed UL CUL certification. 7 years warranty Customizable labels

| Model | SMT-012-250VTHW | SMT-024-250VTHW | |
| Output | DC Voltage | 12V | 24V |
| Voltage Tolerance | ±0.5V | ||
| Voltage Regulation | ±0.5% | ||
| Load Regulation | ±2% | ±1% | |
| Rated current | 20.83A | 10.41A | |
| Rated power | 250W | ||
| Input | Voltage Range | 100-277VAC | |
| Frequency Range | 47~63HZ | ||
| Power Factor(Typ.)@ full load | 0.98@120VAC 0.97@277VAC | 0.98@120VAC 0.97@277VAC | |
| THD(Typ.)@ full load | <20% | ||
| Inrush Current (Typ.) | 20A, 50%, 1.9ms | ||
| Full Load Efficiency(Typ.) | >87% | >88% | |
| AC Current(Typ.) | 3.4A@110VAC 1.76A | ||
| Leakage current | <0.50mA | ||
| Protection | Short Circuit | shut down o/p voltage, re-power on to recover after fault condition is removed | |
| Over Loading | ≤120% Hiccup mode,recovers automatically after fault condition is removed | ||
| Over temperature | 100℃±10℃ shut down o/p voltage, automatically recover after cooling. | ||
| Over Current | ≤1.4*I out | ||
| 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 standards | UL8750 | ||
| Withstand voltage | I/P-O/P:1.88KVac | ||
| Isolation resistance | I/P-O/P:100MΩ/500VDC/25℃/70%RH | ||
| Safety&EMC | EMC EMISSION | FCC Part 15 B | |
| Others | Weight | 1.7Kg | |
| Size | 276*78*47mm (L*W*H) | ||
| packaging | 10PCS/CTN 385*335*200mm 20PCS/CTN | ||
| Notes | 1. All parameters if NOT specially mentioned are measured at 120VAC input , rated load and 25℃of ambient temperature. | ||
| 2. To extend the driver's using life ,please reduce the loading at lower input voltage. | |||





