Overload protection Over voltage protection Efficiency: 78% Main Technical data:1,Input voltage range:110V/220V,50Hz2,Start impact current:when ... cooling 40A@230V3,Linear adjustment rate:±0.5%max4,Adjustable range of output voltage:±10%5,Start time:≤1S(AC230V input,lo ... tepmerature:-20~85°C,10%~95%RH(no frost)5,Structurecool style:nature coolingSize:129*98*38mm Adapter for base boad power supply