Circuit breaker contact arm latch mechanism for eliminating cont

Details Circuit breaker contact arm latch mechanism for eliminating cont Circuit breaker contact arm latch mechanism for eliminating cont

1985-02-07

1986-09-09

Hix, L. T.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 46, H01H 7706

Patent

active

046111875

ABSTRACT:
A latching mechanism is arranged to engage one of the movable contact arms upon magnetic repulsion of the contact arms independent of the operating mechanism to prevent the contact arm from re-closing until the operating mechanism has responded. An operating lever reacts with the contact arm latching mechanism to articulate the operating mechanism to trip the breaker after the latching mechanism has fully engaged the contact arm.

REFERENCES:
patent: 4144513 (1979-03-01), Shaffer et al.
patent: 4409573 (1983-10-01), DiMarco et al.

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