Arc-fault detecting circuit-breaker system with status...

Details Arc-fault detecting circuit-breaker system with status... Arc-fault detecting circuit-breaker system with status...

2006-10-24

2006-10-24

Berhane, Adolf Deneke (Department: 2838)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

Reexamination Certificate

active

07126445

ABSTRACT:
An arc-fault detecting circuit-breaker system is used in conjunction with a protected electrical circuit whose current flow is to be interrupted upon the occurrence of an overcurrent fault or an arc fault. The arc-fault detecting circuit breaker system includes a normally closed circuit breaker, an arc-fault detector of the occurrence of an arc fault in the protected electrical circuit, and a circuit-breaker activating element operable responsive to the detector. The circuit-breaker activating element opens the circuit breaker in the event that the detector detects an arc fault in the protected electrical circuit. A status indicator structure, preferably in the form of a two-part pop-up button, has a first status indicator element which indicates the opening of the circuit breaker due to the overcurrent fault, and a second status indicator element which indicates the opening of the circuit breaker due to the arc fault.

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patent: 0510795 (1992-10-01), None
patent: WO 0008663 (2000-02-01), None

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