Safety Sensing Edge
A Tapeswitch pressure sensitive sensing or safety edge is an electrical switching device consisting of a compliant housing and an internal ribbon switch. The housing may be constructed from a number of different materials, including PVC, EPDM, and TPE. When activated, sensing or safety edges function as normally-open, momentary-contact switches. Activation occurs when a force applied to the housing is transferred to the switching element and causes a contact closure. When the force is removed, the contacts open again.