Drum Switch, Switch Action Maintained, Phase Single, Reversing Capability Reversing, Horsepower @ Three Phase - 240V AC 5 hp, Horsepower @ Three Phase - 480V AC 7 1/2 hp, Mounting Style Flange, Horsepower @ Single Phase - 120V AC 2 hp, NEMA Enclosure Rating 1, Number of Poles 3, Horsepower @ Single Phase - 240V AC 3 hp, Standards CSA Cetrified, UL Listed, Contact Material Copper, Resistance Properties Corrosion Resistant, Overall Width 3.5 in, NEMA Enclosure Material Steel, Overall Depth 6.13 in