Qingyuan display dedicated power supply manufacturers, wholesale LED display power Qingyuan, Qingyuan price display power supply specifications: 5V 40A input: Input voltage range of 190VAC ~ 256VAC input voltage frequency 50Hz / 60Hz average input current of 1.53A (220VAC, rated output power) Overall efficiency 200W: 253W Output: 5V output voltage quiescent output voltage range of 4.27V --- 5.97V output current of 40A output ripple noise (Vp-p) 150mV start delay time: <2S protection: No output Output overvoltage protection 48.5A output short circuit overcurrent protection Yes Environment: Working temperature -0 ℃ ~ + 50 ℃ Storage Temperature -25 ℃ ~ + 75 ℃ Relative humidity Cooling: Self-cooling Dielectric strength: input to output 1500Vac / 60S leakage current ≤ 1.04mA input for FG 1500Vac / 60S leakage current ≤1.15mA FG output 500Vac / 60S leakage current ≤1.25mA Power Factor: 0.78PF safety standards: GB4943 / EN60950 Qingyuan Qingyuan LED display screen dedicated power supply wholesale manufacturers Qingyuan LED color display power prices Qingyuan Qingyuan LED display manufacturers specializing in the production of two-color LED electronic display screen Qingyuan Car LED Car screen LED display Qingyuan Qingyuan Qingyuan LED monochrome screen monochrome display monochrome LED display Qingyuan Qingyuan Qingyuan single single red LED Qingyuan color LED screen LED indoor / outdoor color display LED display Qingyuan Qingyuan Qingyuan LED indoor monochrome display LED color display