Moulded case circuit breaker

Details Moulded case circuit breaker Moulded case circuit breaker

1986-06-04

1987-12-01

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335170, 335174, H01H 900

Patent

active

047107383

ABSTRACT:
A moulded case circuit breaker has a toggle-joint mechanism, articulated on a hook and on a moving contact support. The toggle joint includes a swivel pin movably engaged in an aperture of the hook. When tripping takes place, the released hook pushes the toggle-joint, via the swivel pin and aperture, into a broken position to accelerate opening of the contacts. In the closed position, the toggle-joint is practically perpendicular to the hook.

REFERENCES:
patent: 2759063 (1956-08-01), Rypinski
patent: 3016435 (1962-01-01), Schwartz
patent: 3171921 (1965-03-01), Woods
patent: 3774129 (1973-11-01), Sugiyama

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