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FIIG:  T187-D

Entry Date:  Apr-01-1974

Concept:  

Status:  A

Applicability:  DF

Type:  0

Definition:  A device with switching facilities designed to move over a number of terminals to which are connected groups of circuits in order to select a particular group of circuits in accordance with signals received over the circuit associated with this selector and then to choose from the group an idle circuit and connect to it the circuit associated with this selector. See also SWITCH, TELEPHONE, CROSSBAR.

Basic INC:  70248

Basic Name:  SWITCH

Description:  1. A device which completes, interrupts, or changes the connections in one or more electrical circuit(s) by electrical, electronic, manual or mechanical actuation, or as a result of changes in ambient temperature. It includes items consisting of individually separable switches which are physically interlocked (e.g., one button returns when the other is pushed), which have a common actuator, or are electrically connected. Excludes: items which perform the same function by self-produced thermal action, such as relays, circuit breakers, fuses, or motor starters.