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 4X Number of Required Thermals 3 Overload Protection Type Thermal