Ground fault circuit interrupter and electronic detection circui

Details Ground fault circuit interrupter and electronic detection circui Ground fault circuit interrupter and electronic detection circui

1985-01-10

1987-08-18

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361394, 361395, 361115, 335 18, H02H 326

Patent

active

046881344

ABSTRACT:
In a ground fault circuit interrupter (GFCI), a pair of flexure arms having moveable contacts disposed thereon are deflected in response to the activation of a solenoid having a moveable core. The core of the solenoid causes a pair of cam actuators which are preferably coupled together by a catcher to rotate. The rotation of the cam actuators causes the deflection of the flexure arms, thereby separating the moveable contacts from the stationary contacts and interrupting the flow of current. The activation of the solenoid is controlled by an electronic module. The electronic module includes a detection circuit which inhibits the solenoid from opening the contacts until there is sufficient electrical energy to insure that the kinetic energy of the solenoid will cause the contacts to latch open. The electromechanical current interrupter and the electronic module are disposed within a housing that can be mounted within a standard electrical receptacle box.

REFERENCES:
patent: 3973171 (1976-08-01), Howell
patent: 4521824 (1985-06-01), Morris et al.

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