GREAT WALL GW-LED300Q-4.5 Switching Power Supply Output, 4.5Volts, 60Amps

Description                                   Power: 300W Size: 215×125×50mm AC input voltage range: 88-132VAC/ 176-264VAC selected by switch Input frequency: 47-63Hz AC inrush current: Cold start，60A/230VAC DC adjustment range: ±10% rated output voltage Line regulation full load: ≤0.5% Output overload protection: 110%-150% hiccup mode, auto-recovery Rise hold up time: 50mS，20mS at full load, typical Withstand voltage: I/P-O/P, I/P-FG:1.5KVAC, O/P-FG: 0.5KVAC, 1min Working temperature: 10~+40℃@100%，+60℃@60% load Storage temperature: 20℃~+85℃，20%~95%RH (non-condensing) Safety standards:  Design refer to GB4943，UL60950-1, EN60950-1 EMC standards: Design refer to GB9254，EN55022 class A Cooling method:  Free air-cooling convection