PC-TM3000VA PC-TM5000VA PC-TM8000VA PC-TM10000VA PC-TM12000VA PC--TM15000VA 1.Relay control voltage stabilizer 2.Input voltage 140-270V,105-270V,90-270V,80V-270V 3.LED Digital display 4.Low voltage protection (ouput voltage <185V+/-5V), Over voltage protection (output voltage >245v+/-5v),over loading >110%,over heating >100°C