Snap-action switch SPDT 3-in lever

This single-pole, double-throw (SPDT) snap-action switch has a long, three-inch lever that can be bent or cut to suit your needs. Long-lever switches make great bumper switches for simple robots.

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This single-pole, double-throw (SPDT) snap-action switch has a long, three-inch lever that you can bend or cut to suit your application. The switches require a bit more force to close than most snap-action switches we have seen, but the lever is also very long, so the force required at the end of the lever is much lower. A pair of these long-lever switches makes a simple bumper system; we used similar switches in two of our sample projects: