Manual Motor Starter Horsepower @ Single Phase - 120V AC 1 hp Horsepower @ Single Phase - 240V AC 1 hp Maximum Voltage Rating 277V AC Number of Poles 1 Operator Toggle Switch Phase Single Current AC 16 A Hazardous Location Specification Class I Div 1 and 2 Group B C D Class II Div 1 and 2 Group E F G Series Class 2510 F Series Maximum Overload Relay Current Setting Not Applicable Minimum Overload Relay Current Setting Not Applicable NEMA Enclosure Rating 3R