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=100%)6,Holding time:≥20mS(AC230Vinput,lo=100%)7,Overload protection:at 105%~150% of the rated power,it can recover automatically8, ...