ITW Lumex Switch offers pushbutton switches for panel cutout diameters of ɸ12 mm, ɸ16 mm, ɸ19 mm, and ɸ22 mm. Lumex 12 mm and 16 mm pushbuttons are available in both plastic and metal options, while the 19 mm and 22 mm sizes are available in metal options only. Customization includes wire harnesses and connectors, custom icons on button or laser etching, outdoor caps, and anti-UV material. Lumex pushbutton switches are available in both momentary and maintained options.