
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