Single Phase Quarter Turn Electrical Actuator is designed for remote control of ball valves, butterfly valves, dampers and other actuating devices, which require up to 90 degree rotary actuation and tight closure in end positions. The Electrical Actuator is designed with aluminium alloy housing that makes it lightweight and portable. The Electrical Actuator is provided with a continuous local mechanical position indicator to give indication of actuator position independent of power supply. Single Phase Quarter Turn Electrical Actuator of 1000 series comes with two adjustable mechanical stoppers in open and close direction.