AC110V/220V to DC12V 20A 250W Switching Power Supply 200*110*50mm

Technical Parameters: Project Technical indicators Remarks Basic requirements 12V 20A 250W Common (No fan) Dimensions 200*110*50mm Operating temperature -10C to +50C, 20% to 95% RH (no condensation) Storage temperature -20C to +85C, 20% to 95% RH (no condensation) Temperature Coefficient 0.02~0.05%/C Heat dissipation method Natural cooling Rated voltage range 220VAC AC Input voltage range 110/240V AC Input frequency range 50 to 60 Hz Except DC input Input undervoltage protection 115 to 150% intermittent mode Input undervoltage recovery Automatic recovery Input overvoltage protection 115 to 150% intermittent mode Input overvoltage recovery Automatic recovery Electric shock 1% Maximum input voltage full load Machine efficiency 0.5% Rated input full load Output voltage range 12V 0.5% Three channel output Output current 20A Three channel output Ripple and noise 150 mVp-p Rise Time 50 ms Output delay 5 S Voltage regulation 0.5% Load Regulation 1% Output overcurrent protection Current drooping Output short circuit protection IGBT Output overvoltage protection Soft start protection Input to output >30M Input to the earth >30M Output to the earth >30M Insulation resistance >50M MTBF 100000H Feature: 1. International AC input range 2. High efficiency, low working temperature 3. Short circuit,overload,over-current protection 4. 100% fully load burn-in test 5. Built-in EMI filter, low ripple noise 6. Low cost, high reliability 7. CE and FCC approval Specification: 1. LED switching power supply using pulse width modulation (PWM) switching technology designed to ensure power supply stability and high efficiency. 2. Product interference, through the EMC testing, ripple 50MV. 3. Efficiency above 80% temperature 25 C. 4. LED switching power supply with overvoltage protection, short circuit protection, overload protection. 5. Constant current output to ensure the stability of the power, so that LED lighting effects better and live longer. 6. Products have the anti-interference ensures long-life LED strips, reducing the LED lighting decline. Package includes: 1 x Power supply