Safety Switch, Compatible with Manufacturer Model Number HR612, Contact Form 3PST, Current Rating 30 A, Depth 5 in, Duty Heavy Duty, Enclosure Type Enclosed, Environment Indoor/Outdoor, Features On/Off Handle Indication, For Fuse Class Class H, Class J, Class K, Class R, Fuse Kit (Class R) Mfr. No. HR612, Height 14 1/2 in, Horsepower @ 600V AC 20 hp, Housing Material Steel, IP Rating IP20, Mounting Style Surface Mount, NEMA Enclosure Rating 3R