Hazardous Location Push Button with Contacts, 30 mm, Momentary Action, Jumbo Mushroom Head Push Button Type of Operator, Head Material Metal, Contact Form 2 NC, 2 NO, Bezel Metal, Color Black, Contact Rating 10A @ 600V AC, 2.5A @ 250V DC, NEMA Contact Rating Designation A600 and Q300, Number of Operators 1, NEMA Rating 12, 13, 3, 3R, 4, 4X, IP Rating 65, Standards CSA, IEC, UL, Terminal Connection Screw Clamp