Motor starters and contactors are motor-starting devices. They combine a contactor with overload protection and are designed for starting AC or DC motors. Motor starter ratings include continuous ...

Full-voltage, single-speed motor starters: Single-speed squirrel-cage motors have starters that fall into two categories: full-voltage or across-the-line starters; and reduced-voltage starters.

AC motor starters are used to turn on and turn off electric motors and motor-controlled equipment. They use solid-state or electromechanical technologies, and are designed for single-phase or ...