Drum Switch Switch Action Maintained Phase Single Reversing Capability Reversing Horsepower @ Three Phase - 240V AC 2 hp Horsepower @ Three Phase - 480V AC 1 hp Mounting Style Flange Horsepower @ Single Phase - 120V AC 1 1/2 hp NEMA Enclosure Rating 1 Number of Poles 3 Horsepower @ Single Phase - 240V AC 2 hp Standards CSA Cetrified UL Listed Contact Material Copper Resistance Properties Corrosion Resistant Overall Width 2.5 in NEMA Enclosure Material Steel Overall Depth 4 in