Operation mechanism of a circuit breaker allowing automatic or m

Details Operation mechanism of a circuit breaker allowing automatic or m Operation mechanism of a circuit breaker allowing automatic or m

1988-09-07

1990-06-19

Scott, J. R.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Manually or gravity-operated latch with electromagnetic trip

200401, 335191, H01H 920

Patent

active

049357123

ABSTRACT:
An operation mechanism of a circuit breaker which allows either automatic or manual operation of the circuit breaker. The mechanism includes a moving contact lever, a hook lever, a handle, a pair of toggle links connecting the hook lever and the moving contact lever, an operation lever linked to the handle, and a spring connected between the operation lever and a joint of the toggle links. The operation mechanism may also include opening and closing delay latches which preclude movement of the toggle links until the handle has been fully turned to either one of two positions.

REFERENCES:
patent: 4165453 (1979-08-01), Hennemann
patent: 4260865 (1981-04-01), Horiuchi

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