250w Dimmable Led Driver 12v Led Driver Box High Power Led Driver 
	
	SMT-012-250VTH is triac dimmable led driver with 277v input voltage for led lighting. It is 12Vdc 250W led driver with UL listed 7 years warranty. Its power factor is over than 98% and efficiency is higher than 87%.
 
	
 
	 
	
		
			
				| 
						Model 
					 | 
						SMT-012-250VTH 
					 | 
						SMT-024-250VTH 
					 | 
			
				| 
						Output 
					 | 
						DC Voltage 
					 | 
						12V 
					 | 
						24V 
					 | 
			
				| 
						Voltage Tolerance 
					 | 
						±0.5V 
					 | 
			
				| 
						Voltage Regulation 
					 | 
						±0.5% 
					 | 
			
				| 
						Voltage Tolerance 
					 | 
						±0.5V 
					 | 
			
				| 
						Load Regulation 
					 | 
						±2% 
					 
						±1% 
					 | 
						±1% 
					 
						  
					 | 
			
				| 
						Rated current 
					 | 
						20.83A 
					 | 
						10.41A 
					 | 
			
				| 
						Rated power  
					 | 
						250W 
					 | 
			
				| 
						Input 
					 | 
						Voltage Range 
					 | 
						100-277VAC 
					 | 
			
				| 
						Frequency Range 
					 | 
						47~63HZ 
					 | 
			
				| 
						Power Factor(Typ.)@ full load 
					 | 
						0.96@120VAC  0.97@277VAC 
					 | 
						0.97@120VAC  0.95@277VAC 
					 | 
			
				| 
						THD(Typ.)@ full load 
					 | 
						<20% 
					 | 
			
				| 
						Inrush Current (Typ.) 
					 | 
						15A, 50%, 1.4ms 
					 | 
			
				| 
						Full Load  
					 
						Efficiency(Typ.) 
					 | 
						>86% 
					 | 
						>87% 
					 | 
			
				| 
						AC Current(Typ.) 
					 | 
						2.8A@110VAC /  1.13A@110VAC 
					 
						1.76A 
					 
						1.76A 
					 
						.A 
					 
						1.74A 
					 | 
			
				| 
						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. 
					 | 
			
				| 
						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&EMC 
					 | 
						Safety standards 
					 | 
						UL8750 
					 | 
			
				| 
						Withstand voltage 
					 | 
						I/P-O/P:3.75KVAC   
					 | 
			
				| 
						Isolation resistance 
					 | 
						I/P-O/P:100MΩ/500VDC/25℃/70%RH 
					 | 
			
				| 
						EMC EMISSION 
					 | 
						Compliance to EN55015,EN61000-3-2 (≥50%load) 
					 | 
			
				| 
						EMC IMMUNITY  
					 | 
						EN61000-4-2,3,4,5,6,11(Surge 4KV) 
					 | 
			
				| 
						Others 
					 | 
						Weight 
					 | 
						1.9Kg   
					 | 
			
				| 
						Size 
					 | 
						278*108*46mm (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.    
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				| Label 
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	  Mechanical Specification   
	 
 
	Input:18AWG Black and White to be connected to AC L and N ,Green wire go ground, 
	Output: Red is(DIM+),Black is(DIM-) 
	
 
	
	  Problem analysis   
	
 
	
	1.Question: can you please confirm lead time? 
	Answer: Lead time for sample order takes about 7 working days. It takes about 12-15 working days for production order. It depends on the quantities