Manual Motor Starter, NEMA Size M-1, Maximum Voltage Rating 600V AC, Number of Poles 3, Operator Push Button, Phase Three, Current AC 27 A, Horsepower @ Three Phase - 240V AC 7 1/2 hp, Horsepower @ Three Phase - 480V AC 10 hp, Series Class 2510 M Series, Horsepower @ Three Phase - 600V AC 10 hp, Maximum Overload Relay Current Setting Not Applicable, Minimum Overload Relay Current Setting Not Applicable, Mounting Style Surface, NEMA Enclosure Rating 4X, Number of Required Thermals 3