UL Non-Dimmable Driver 250W
SMT-012-250VWN
Non-dimmable LED Driver
SMARTS
UL 277Vac 250w led driver It is a high quality waterproof 12/24Vdc led power supply developed by China factory.Comply with North American market safety standards, class P can replace all kinds of l...
UL 277Vac 250w led driver It is a high quality waterproof 12/24Vdc led power supply developed by China factory.Comply with North American market safety standards, class P can replace all kinds of lamp power supplies
| Model | SMT-012-250VWN | SMT-024-250VWN | |
| 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 | 110-277VAC | |
| Frequency Range | 47-63Hz | ||
| Power Factor(Typ.)@full load | 0.99@120VAC; 0.98@230VAC;0.98@277VAC | 0.99@120VAC; 0.98@230VAC; 0.98@277VAC | |
| THD (Typ.)@ full load | <10%@120VAC <20%@230VAC <20%@277VAC | ||
| Efficiency(Typ.)@ full load | 85%@120VAC; 89%@230VAC ;89%@2 77VAC | 88%@120VAC; 92%@230VAC; 92%@277VAC | |
| AC Current(Max.) | 3.4A@110VAC | 3.4A@110VAC | |
| Inrush Current (Typ.) | 20A, 50%, 1.9ms@120VAC; 60A,50%130us@230VAC; 35A,50%1.9ms@277VAC | ||
| 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. | ||
| Environment | Working TEMP. | -40~+60℃ (see below derating curve) | |
| Working Humidity | 20~90% RH, non-condensing | ||
| Storage TEMP. Humidity | -40~+80℃,10~95%RH | ||
| TEMP .coefficient | ±0.03%/℃(0~50℃) | ||
| Vibration | 10~500Hz, 5G 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 | EMC IMMUNITY | EN61000-4-2,3,4,5,6,11(Surge 4KV) | |
| Weight | 1.70Kg | ||
| Size | 10PCS/CTN , Carton size: 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. | |||

