Manual Motor Starter NEMA Size Not Applicable Horsepower @ Single Phase - 120V AC 1 1/2 hp Horsepower @ Single Phase - 240V AC 3 hp Maximum Voltage Rating 690V AC Number of Poles 3 Operator Push Button Phase Three Current AC 23 A Horsepower @ Three Phase - 208V AC 5 hp Horsepower @ Three Phase - 240V AC 7 1/2 hp Horsepower @ Three Phase - 480V AC 15 hp Series TeSys Easy Horsepower @ Three Phase - 600V AC 20 hp Maximum Overload Relay Current Setting 23 A