Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2011-08-23
2011-08-23
Previl, Daniel (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S391100, C340S815400
Reexamination Certificate
active
08004418
ABSTRACT:
A system includes a number of electrical switching apparatus having separable contacts, an operating mechanism structured to open and close the separable contacts, a trip mechanism cooperating with the operating mechanism to trip open the separable contacts, a test circuit structured to test the trip mechanism and determine a failure to protect condition thereof, and a communication circuit structured to communicate the failure to protect condition. The system also includes an electrical distribution panel having a housing housing the number of electrical switching apparatus, and a communication interface structured to receive the failure to protect condition from the communication circuit and annunciate the failure to protect condition.
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Elms Robert T.
Hetzmannseder Engelbert
Murphy William J.
Eaton Corporation
Moran Martin J.
Previl Daniel
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