Snap switches are activated by a spring-operated (or “snap-action“) mechanism. Depressing the actuator triggers the switching operation, with a pre-defined force and travel. The switching speed itself is largely independent of the speed of actuation.
Variable parameters include electrical rating, terminal type, actuator type & length and maximum operating force.
Typical markets & applications include white goods and appliances, automotive, vending, drives, and powertools.
|Rest Position||The position of the actuator when no external force is applied.|
|Operating Point||The point along the actuators travel path at which the spring-operated mechanism is actuated.|
|Final Position||The position of the actuator at the end of its travel.|
|Reset Point||The point along the actuators path, as it travels back towards the rest position, at which the spring-operated mechanism snaps back to it’s original position.|
|Initial Force||The force required to move the actuator away from it’s rest position.|
|Operating Force||The force required to move the actuator through the operating point.|
|Sustaining Force||The force required to keep the actuator in it’s final position.|
|Reset Force||The level to which the operating force must be reduced in order to allow the spring-operated mechanism to return to it’s original position.|
|Pre-Travel||The distance travelled between the actuator’s rest position and the switching point.|
|Overtravel||The distance travelled between the switching point and the end position. To make absolutely sure that the switching operation takes place, the actuator should use up at least 50% of the available overtravel.|
|Reset Travel||The distance travelled between the operating force and the release point.|
|Free Travel||The distance travelled between the reset point and the rest position.|
|Total Travel||The difference between the rest position and the final position.|
|Movement Differential||The distance travelled between the operating point and the reset point.|