Dimensions (mm) Panel Cutout dia: 22,3 Min. mounting grid: 30 x 30 Front bezel dim: 28 Front bezel height: 2 Catalog (PDF-4Pg) Flush-mounted control units and pilot lights for 22.5mm mounting diameter. They are flat enough (1.4mm) and are a good alternative for membrane keyboards. Front bezels are flat and rounded square shape. 22mm mount with rounded square shaped bezel. Suitable Contact Blocks {article 138}{text}{/article} {article 65}{text}{/article} {article 64}{text}{/article}