Single-Break Mechanism that transfers one contact. SMD, SMT Abbreviations for surface mount device and surface mount technology, respectively. The rapid transfer of contacts from one position to another. This action is essentially independent of actuator speed. Spacing Distance between electrically active parts of opposite polarity or to ground.
Termination Describes how a switch is connected to the circuit or device it activates.
Termination can be via wire screw terminals, solder lugs, printed circuit board pins, integral wire leads, wire-wrap terminals, or a wide variety of connectors, plugs, and sockets. Throw The number of circuit paths that can be controlled by any one pole. UL Abbreviation for Underwriters Laboratories, a U.S. rating organization. VDE Abbreviation for the German Testing Agency, a German rating organization. Wiping Contacts Wiping action contacts slide against each other when opening or closing a circuit.