Electric Levelers The Actionator LA Series The McGuire "Actionator" dock leveler is a revolutionary product in the material handling industry.  The Actionator is powered by a linear actuator and motor, which requires only 115 volt electricity to operate.  Being conrol panel operated, and mechanical cost comparable the Actionator combines the best features of both mechanical and hydraulic levelers to provide the best solution to your loading dock needs.   The operation is smooth, quiet and consistent -- the Acionator can provide years of dependable service.