Safety Switch Compatible with Manufacturer Model Number HRK4060 Contact Form 3PST Current Rating 400 A Depth 10 1/4 in Duty Heavy Duty Environment Indoor For Fuse Class Class H Class J Class K Class R Fuse Kit (Class R) Mfr No HRK4060 Height 50 1/4 in Horsepower @ 240V AC 50 hp Housing Material Steel IP Rating IP20 Mounting Style Surface Mount NEMA Enclosure Rating 1 Neutral Assembly Included Yes