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 5 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 Mounting Style Surface NEMA Enclosure Rating 1 Number of Required Thermals 3