Disconnect Switch Contact Form 3PST Current Rating 100 A Depth 2 1/2 in Duty Standard For Fuse Class Class H Class J Class K Class R Height 3 1/4 in Horsepower @ 240V AC 30 hp Horsepower @ 480V AC 60 hp Horsepower @ 600V AC 75 hp Housing Material Non-Metallic Includes Fuse Holder Mounting Hardware Operating Mechanism Maximum Mounting Depth 18 in Minimum Mounting Depth 6.63 in Mounting Style Flange Neutral Assembly Included No Number of Poles 2 Number of Wires 3 Phase Three