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FIIG:  A23900

Entry Date:  Mar-21-1986

Concept:  1

Status:  A

Applicability:  A

Type:  0

Definition:  A switch designed to perform the function of opening and/or closing one or more electrical circuits. In lieu of seperable contacts, the switching function is accomplished by means of an arrangement of one or more light emitters and one or more photosensitive devices. The item functions in response to changes in its own electrical circuit caused by the emitted light being reflected to the photosensitive device or the emitted light being interrupted before it reaches the photosensitive device. The item has no other form of actuation.

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.