The Multi-Turn Electric Actuator is constructed to suit various linear stroke valve applications which are the necessary drives for closing, altering and adjusting the valves. Through a torque rate ranging from 100 Nm up to 10000 Nm, the actuator is able to be fully utilized in operations with different valves including the gate valve, the butterfly valve and the globe valve. It is an on-off compactly made device which is equipped with a centralized control and remote control. An easy to maintain actuator can be used in chemicals, electric power and other relative industry.