Pushbutton Enclosure, Number of Columns 1, Number of Holes 3, NEMA Rating 13, 4, Conduit Size 3/4 in, Dimensions 3.03 in H x 3.15 in W x 6.90 in D, Hole Size 22 mm, Material Metal, Height 3.03 in, Width 3.15 in, Depth 6.9 in, Contact Block Depth 2.93 in