Circuit breaker for use in wall mounted plug

Details Circuit breaker for use in wall mounted plug Circuit breaker for use in wall mounted plug

1994-10-19

1995-10-17

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

361 42, H01H 7300

Patent

active

054594448

ABSTRACT:
A circuit breaker includes a normally open switch having first and second contacts and a movable leaf spring supporting the first contact. The leaf spring is normally oriented in a first position wherein the first contact is not in electrical contact with the second contact. The leaf spring is deformable into a second position wherein the first contact is in electrical contact with the second contact. An armature is movable between an open and a closed position and is located adjacent an electric coil which generates a magnetic field which moves the armature into the closed position when the coil is energized. The leaf spring biases the armature into its open position when the coil is not energized. The armature causes the leaf spring to deform into the second position, so as to place the first contact into electrical contact with the second contact, when the coil is energized. A housing for the circuit breaker is also provided, and the circuit breaker is a modular unit which may be assembled and tested before being installed in the housing. The housing has an aperture or window for viewing the position of the armature.

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