Available for single-phase (up to 15 hp) or 3-phase (up to 300 hp) applications, Model MSEM features Hand/Off/Auto keypad with LCD to adjust settings. Features include 5 control inputs, 2 status outputs, under/over voltage and under/over power protection, and electronic overload for real-time current monitoring for motor protection. Unit can be specified for 24 or 120 Vac damper power to open damper when fan is commanded to start, and limit switch input is also standard.