High-speed high-current circuit interrupter having electrodynami

Details High-speed high-current circuit interrupter having electrodynami High-speed high-current circuit interrupter having electrodynami

1976-08-16

1977-08-02

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335195, H01H 7710

Patent

active

040399834

ABSTRACT:
High-current, current-limiting circit interrupter having arcing contacts connected in parallel with the main contacts. Impetus means open the main contacts strikingly to switch the short-circuit current to the high-resistance arcing circuit. Electrodynamic means cause the arcing contacts to remain closed a short lapse of time after the transfer of the short-circuit current to the arcing circuit. Further electrodynamic means cause the arcing contacts to open sequentially.

REFERENCES:
patent: 3546641 (1970-12-01), Freeman
patent: 3555471 (1971-01-01), Mitskevich et al.
patent: 3764946 (1973-10-01), Mostosi
patent: 3813619 (1974-05-01), Koval
patent: 3824508 (1974-07-01), Terracol

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