Mushroom Head Push Button, 30 mm, Momentary, Type of Operator 40mm Mushroom Head, Basic Material Metal, Head Material Plastic, Bezel Material Zinc Die Cast, Color Yellow, NEMA Rating 12, 13, 3, 3R, 4, 4X, IP Rating IP65, Legend Not Applicable, Standards CE, CSA, UL Listed, Features Drainage Holes, Grounding Nibs, One Piece Body