MG350 SmartX Actuator offers great havoc control The Schneider Electric SmartX MG 350 is the first NEW SmartX Actuator released globally. It is designed to control two and three-way globe valves in a wide range of applications. The MG350 SmartX Actuator is the platform for the future, acting as the foundation of both a SmartStruxure™ solution and SmartStruxure Lite solution. The critical information delivered by the actuator helps the BMS operate at optimal efficiency.