This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile obstacle-detector for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm (0.79" x 0.25" x 0.40"), and the 16.3mm (0.64") lever arm has a roller at the tip. This three-pin switch can also be used as a two-pin single-pole, single-throw (SPST) switch that is open or closed by default, depending on which two pins are used.
Dimensions (in mm) of snap-action switch with 16.3mm roller lever: 3-pin, SPDT, 5A.
For a more sophisticated tactile sensor, see our force-sensing resistors.
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