LPSR series electric actuator is 220V AC single power supply as the driving power supply (switching power supply as the driver can choose other power), received from the regulator DC4-20mA or DC1-5V control signal for conversion of the fully electronic electric actuator . The control unit is designed box type, and the resin poured into the module, the drive motor with AC reversible motor, position feedback of the high-performance conductive plastic potentiometers., Is a high-resolution capability, high reliability, high-tech products. The implementing agencies will be adopted as the control valve actuator, the valve itself with the requirements of the various action transformation function, and valve opening signal function (DC4-20mA or 1-5V) and manual operation function.