Snap-Action Switch SDPT – Pololu 1404
This switch can be operated either as a 3-pin single-pole, double-throw (SPDT) or as a two-pin single-pole, single-throw (SPST) switch. When used as a 3-pin SDPT switch it is suited for general-purpose micro switch applications or as a tactile obstacle-detector for a robot. When operated in 2-pin SPST mode it is open or closed by default, depending on which two pins are used.
Snap-Action Switch Dimensions:
- Switch Body Length: 20mm (0.79″)
- Switch Body Width: 6.4mm (0.25″)
- Switch Body Height: 10.2mm (0.40″)*
- Switch Lever Arm Length: 16.3mm (0.64″)
*note that the lever arm also has a roller at the tip