Manual Motor Starter, NEMA Size M-0, Maximum Voltage Rating 600V AC, Number of Poles 3, Operator Push Button, Phase Three, Current AC 18 A, Horsepower @ Three Phase - 240V AC 3 hp, Horsepower @ Three Phase - 480V AC 5 hp, Series Class 2510 M Series, Horsepower @ Three Phase - 600V AC 5 hp, Maximum Overload Relay Current Setting Not Applicable, Minimum Overload Relay Current Setting Not Applicable, NEMA Enclosure Rating No Enclosure, Number of Required Thermals 3, Overload Protection Type Thermal