The PB300 is a momentary pushbutton switch that is pcb mounted and has a long travel. You can choose between a single pole, single throw switch, or a single pole, double throw, double action switch. Its key feature is the double action of the double throw switch; you press mid-travel and it actuates, then continue pressing for another actuation at full travel. The actuation force of the first position is 600 grams, and the actuation of the next position is 1150 grams.
This pushbutton switch also offers a nice tactile response.
These features allow the PB300 to be used across a wide variety of applications and operating conditions.