{"id":8706,"date":"2017-02-06T15:48:02","date_gmt":"2017-02-06T15:48:02","guid":{"rendered":"https:\/\/www.techopedia.com\/definition\/actuator\/"},"modified":"2025-02-10T10:56:22","modified_gmt":"2025-02-10T10:56:22","slug":"actuator","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/definition\/17043\/actuator","title":{"rendered":"Actuator"},"content":{"rendered":"
An actuator is a device that converts energy into a linear or rotary motion. Linear actuators extend or retract to push or pull something in a straight line or hold something in place. Rotary actuators rotate objects around an axis in order to turn, twist, open, or close something.<\/p>\n