277V Triac Dim Driver 30W (Standard Size)

?UL triac dimmable led strip light driver 30W is a flexible, compact size developed and designed 12V 24V LED power supply? for the North American market.can work with leading edge and trailing edge TRIAC dimmers Can achieve smooth and flicker-free dimming effect. model SMT-012-030VTHW SMT-024-030VTHW Output DC Voltage 12V 24V Voltage Tolerance ±0.5V ±0.5V Adj. Voltage Range 10-13V 21.5-25.5V Voltage Regulation ±0.5% Rated current 2.50A 1.250A Load Regulation ±1% Rated power 30W 30W Input Voltage Range 100-277V AC Frequency Range 47~63HZ Power Factor ( Typ.) 0.99@120VAC  0.98@277VAC 0.99@120VAC  0.97@277VAC Full Load Efficiency(Typ.) 79% 79% AC Current(Typ.) 0.5A/110VAC Inrush Current (Typ.) 7.0A, 50%, 425us Leakage current <0.50mA Protection Over temperature 100℃±10℃ shut down o/p voltage, automatically recover after cooling. Short Circuit shut down o/p voltage, re-power on to recover after fault condition is removed. Over Loading ≤120% shut do