Pushbutton Enclosure, Number of Columns 1, Number of Holes 1, NEMA Rating 12, 13, 4, 4X, Conduit Size 3/4 in, Dimensions 4.00 in H x 3.88 in W x 3.00 in D, Hole Size 30 mm, Material Die-Cast Aluminum, Height 4 in, Width 3.88 in, Depth 3 in, Type 1 Element, Standards CE, CSA, UL