Pushbutton Enclosure, Number of Columns 1, Number of Holes 1, NEMA Rating 4, Conduit Size No Conduit Entrance Holes Provided, Dimensions 3.63 in H x 5.50 in W x 4.00 in D, Hole Size 30 mm, Material Die-Cast Aluminum, Height 3.63 in, Width 5.5 in, Depth 4 in, Color Gray, Includes Guard, Type -, Mounting Style Internal Holes, Standards UL,CSA