Definite Purpose Starter, Mounting Style Bolt On, Surface, Number of Auxillary Contacts 1, Includes Auxiliary Contacts Yes, Horsepower @ Three Phase - 208V AC 10 hp, Series A27, Coil Voltage 440-480V AC, Terminal Connection Type Box Lugs, Horsepower @ Three Phase - 600V AC 15 hp, Maximum Voltage Rating 600V AC, Horsepower @ Three Phase - 480V AC 15 hp, Horsepower @ Three Phase - 240V AC 10 hp, Horsepower @ Single Phase - 240V AC Not Rated, Horsepower @ Single Phase - 120V AC Not Rated