The MSM CS is available in standard mounting diameters of 19 and 22 mm, Red, Green and Blue backlight colors and the standard White.  The switch voltages range from 30 VDC to 125/250 VAC.  Shown here are a small sampling of the standard part numbers.  Schurter provides options for additional versions upon request.  The ceramic surface may be applied to different MSM sizes and versions including a momentary action switch, double pole with two sets of contacts, and a latching action switch.