Current limiting apparatus

Details Current limiting apparatus Current limiting apparatus

1990-09-17

1991-12-17

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335147, 335202, 200144R, H01H 7500

Patent

active

050737643

ABSTRACT:
In a twin-contact type current limiting apparatus in which two contacts are electrically connected in series with each other, each of movable contact arms (23a, 23b) is extended in substantially parallel with and along each of stationary contact arms (21a, 18a), thereby obtaining balanced electromagnetic repulsions when an excessive current flows.

REFERENCES:
patent: 3106627 (1960-03-01), Lisnay
patent: 4346357 (1982-08-01), Kussy et al.
patent: 4713635 (1987-12-01), Flick et al.
patent: 4945327 (1990-07-01), Doughty et al.

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