A direct contact force on the top of the stainless steel cantilever beam of the SW100 induces strain on the laminated Piezo Film Sensor (PFS) element. With dynamic strain the PFS element generates an output that activates the built-in transistor, closing the normally open circuit. Once activated, the circuit resembles the closure of a contact switch but without the inherent discontinuity that contact points exhibit because of corrosion, pitting and bouncing. Thus, the SW100 provides a single digital pulse that is ideal for triggering digital circuits and signal processing. The impervious design, elasticity and reliability of the PFS element, along with the noise rejection characteristics of the circuit, combine to provide the SW100 with features that suit applications demanding consistent, reliable performance throughout tens of millions of switching cycles.
Impact and Momentary Switch
Digital Output – contact closure
Piezo Film Technology
No adjustments required during installation
Impervious to moisture, dust and smoke
Virtually no maintenance required
Long lifetime, greater than 10 million cycles
PCB and beam customization available to fit many applications
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