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