Safety Switch, Contact Form 3PST, Current Rating 100 A, Depth 7 in, Duty Heavy Duty, Enclosure Type Enclosed, Environment Indoor, Features Crouse-Hinds Arktite(R) Compatible Receptacle, For Fuse Class Not Applicable, Height 20 1/2 in, Horsepower @ 480V AC 75 hp, Horsepower @ 600V AC 100 hp, Housing Material Steel, Includes Interlocked Receptacle Yes, IP Rating Not Rated, Mounting Style Surface Mount, NEMA Enclosure Rating 12K