Safety Switch, Nonfusible, Heavy Duty, 30 Amps AC, Voltage 600VAC, 3 Phase, 15 HP @ 600VAC HP, 4, 4X, 5 NEMA Enclosure Type, Not Rated IP Rating, Metallic / Non-Metallic Metallic, Material of Construction Stainless Steel, Number of Wires 3, Number of Poles 3, Contact Form 3PST, Height 14.9 In., Width 8.7 In., Depth 5.1 In., Standards UL Listed