The NEMA rated PB series pushbutton box enclosure is designed for indoor use to house pushbuttons, selector switches, and pilot lights. This enclosure protects equipment from dirt, dust, sprayed water, oil, and coolants. Number of holes: 6 Number of columns: 2 Number of rows: 3 Width: 127 mm Height: 215 mm Depth: 107 mm ( Width: 5 ˝ Height: 8.46 ˝ Depth: 4.21 ˝ ) PB 8017.668