Operating mechanism for a low voltage multipole circuit breaker

Details Operating mechanism for a low voltage multipole circuit breaker Operating mechanism for a low voltage multipole circuit breaker

1984-10-03

1986-11-11

Hix, L. T.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

H01H 7302

Patent

active

046225293

ABSTRACT:
This invention relates to a circuit breaker operating mechanism.
The base (70) of the handle (52) moves along grooves or edges (78, 80) on the fixed guiding part formed by the mechanism support plates (40, 42). The grooves (78, 80) determine the trajectory and the fictitious pivoting axis of the handle (52) accurately. Rollers (74, 76) are fitted between the base (70) and the grooves (78, 80) to reduce the friction forces. The switch bar (28) comprises a projection located close to each electrical auxiliary so as to give a remote indication of the state of the circuit breaker and to cause automatic resetting of the auxiliary releases following tripping.

REFERENCES:
patent: 2669627 (1954-02-01), Gelzheiser
patent: 2783330 (1957-02-01), Casey
patent: 2806103 (1957-09-01), Geizheiser
patent: 4209761 (1980-06-01), Klein et al.
patent: 4274069 (1981-06-01), Troebel et al.

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