Integral circuit interrupter with separable modules

Details Integral circuit interrupter with separable modules Integral circuit interrupter with separable modules

1985-07-29

1987-07-14

Frankfort, Charles

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335195, H01H 7706

Patent

active

046805621

ABSTRACT:
An integral circuit interrupter characterized by an assemblage of interconnected electrical units including a circuit breaker, a thermal-magnetic overcurrent detector, an electromagnetic actuator, and a modular sensor; the circuit breaker comprising first and second separable contacts and a releasable lever for releasing the first contact to an open position when the detector trips the lever in response to a first predetermined current condition; the electromagnetic actuator for moving the second contact to an open position; the modular sensor for monitoring current flow and for actuating only the electromagnetic actuator in response to a second predetermined current condition; and the electromagnetic actuator being operable from a remotely controlled source.

REFERENCES:
patent: 3638157 (1972-01-01), Kruzic
patent: 4025883 (1977-05-01), Slade et al.
patent: 4042895 (1977-08-01), Wafer et al.
patent: 4064469 (1977-12-01), Gryctko
patent: 4077026 (1978-02-01), Slade et al.
patent: 4220934 (1980-09-01), Wafer et al.
patent: 4639700 (1987-01-01), Shestak et al.

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