Pivoting circuit breaker load terminal

Details Pivoting circuit breaker load terminal Pivoting circuit breaker load terminal

1994-12-01

1996-05-07

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335172, 335195, 218 22, H01H 7500

Patent

active

055150187

ABSTRACT:
An improved circuit breaker with moving line and load contacts is disclosed herein. The circuit breaker includes an enclosure for the operational components thereof including a line contact arm and associated contact for each phase of the circuit breaker, and an operating mechanism supported within the enclosure to move the contact arm(s) between open and closed positions. The circuit breaker also includes a terminal for each phase pivotally supported within the enclosure, and a load contact arm and associated contact for each phase pivotally connected to the terminal. The contact arms are supported so the contacts are engaged when the line contact arms are in the closed positions. The pivoted load terminal(s) allow the use of multiple connector types with the terminal(s), and the pivoting connection between the load contact arm and associated terminal facilitates a reduction in circuit breaker size for a given rating.

REFERENCES:
patent: 4594567 (1986-06-01), DiMarco et al.
patent: 4595896 (1986-06-01), DiMarco et al.
patent: 4680564 (1987-07-01), DiMarco et al.
patent: 5073764 (1991-12-01), Takahashi et al.
patent: 5146194 (1992-09-01), Altenhof, Jr. et al.
patent: 5184099 (1993-02-01), DiMarco et al.
patent: 5319166 (1994-06-01), Arnold et al.

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