These rugged pushbutton-type switches feature international approvals, ratings to 20A 125VAC and a heavy actuation force (3-5lbs. typical) which makes this switch ideal for use as a “foot-pedal” ...

There are “a total of 28 part numbers, to accommodate many different push forces and vibration specs ... A product page shared with other switches can be found here, or a slightly better-focused data ...

The 3M-Series of miniature pushbutton switches from Carling comprises the 3MN-Series snap-action switch, the 3MS-series sealed snap-action switch and the 3MA-series alternate action switch.