Dimensions (mm) Mounting dia: Ø22.3 Min. mounting grid: 30 x 50 Front bezel dia: Ø28 Front bezel height: 2 Catalog (PDF-20Pg) The Rontron R-Juwel series consits of flush-mounted control units and pilot lights for a 22.3 mm mounting diameter. They are flat enough (1.4mm) and are a good alternative for membrane keyboards. The front bezels on these buttons are flat, round and metallic. USB jacks and buzzers are also included in this series. Suitable Contact Blocks {article 138}{text}{/article} {article 65}{text}{/article} {article 64}{text}{/article}