Drum Switch Switch Action Maintained Momentary Phase Single Reversing Capability Reversing Horsepower @ Three Phase - 240V AC 5 hp Horsepower @ Three Phase - 480V AC 7 1/2 hp Maximum Voltage Rating 250V DC 600V AC Terminal Connection Type Screw Clamp Terminals Horsepower @ Single Phase - 120V AC 1 1/2 hp NEMA Enclosure Rating 1 Number of Poles 3 Horsepower @ Single Phase - 240V AC 3 hp Standards CSA Cetrified UL Listed Overall Width 2.68 in Overall Depth 4.61 in