Circuit interrupter

Details Circuit interrupter Circuit interrupter

1984-05-10

1986-01-28

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 35, 335195, H01H 7512

Patent

active

045674558

ABSTRACT:
A circuit interrupter which comprises a pair of separable contact structures each including a contact element, at least one of the contact structures being movable between a closed position and an open position relative to the other contact structure for opening and closing an electric circuit extending through the circuit interrupter, the movable contact structure having an arm support that is pivotable about an axis, a movable contact arm pivotally supported on the arm support and extending in a parallel and an opposite direction to the other contact structure for generating an electromagnetic repulsive force therebetween, and a biasing means connected between the arm support and the movable contact arm for biasing the movable contact arm to a predetermined position with respect to said arm support, and an operating mechanism connected to the arm support of the movable contact structure for separating the movable contact structure from the stationary contact structure in response to an overcurrent flowing through the circuit interrupter, the movable contact arm having a common pivot axis to the pivot axis of the arm support.

REFERENCES:
patent: 4480242 (1984-10-01), Castongway et al.
patent: 4482877 (1984-11-01), Castongway et al.

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