Technical Parameters ProjectTechnical indicatorsRemarksBasic requirements12V 20A250WCommon No fan Dimensions200 110 50mmOperating temperature 10°C to 50°C 20 to 95 RH no condensation Storage temperature 20°C to 85°C 20 to 95 RH no condensation Temperature Coefficient0 02 0 05 °CHeat dissipation methodNatural coolingRated voltage range220VACACInput voltage range110 240VACInput frequency range50 to 60 HzExcept DC inputInput undervoltage protection115 to 150 intermittent modeInput undervoltage recoveryAutomatic recoveryInput overvoltage protection115 to 150 intermittent modeInput overvoltage recoveryAutomatic recoveryElectric shock≤1 Maximum input voltage full loadMachine efficiency≤0 5 Rated input full loadOutput voltage range12V ± 0 5 Three channel outputOutput current20AThree channel outputRipple and noise≤150 mVp pRise Time≤50 msOutput delay≤5 SVoltage regulation≤0 5 Load Regulation≤1 Output overcurrent protectionCurrent droopingOutput short circuit protectionIGBTOutput overvoltage protectionSoft start protectionInput to output30MΩInput to the earth30MΩOutput to the earth30MΩInsulation resistance50MΩMTBF100000HFeature 1 International AC input range2 High efficiency low working temperature3 Short circuit overload over current protection4 100 fully load burn in test5 Built in EMI filter low ripple noise6 Low cost high reliability7 CE and FCC approvalSpecification 1 LED switching power supply using pulse width modulation PWM switching technology de