Apparatus for improved ground fault equipment protection

Details Apparatus for improved ground fault equipment protection Apparatus for improved ground fault equipment protection

2007-11-06

2007-11-06

Leja, Ronald W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

Reexamination Certificate

active

10984219

ABSTRACT:
A ground fault interrupter, including a current difference sensor and a current generator electrically coupled to the current difference sensor. The current generator provides a predetermined difference current to the current difference sensor. At least one contactor is electrically coupled to the current difference sensor. A controller is electrically coupled to the current difference sensor, the current generator and at least one contactor. The controller operates at least one contactor.

REFERENCES:
patent: 6459269 (2002-10-01), Jones
patent: 2004/0252425 (2004-12-01), Baldwin et al.

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