High-speed automatic tripping contactor

Details High-speed automatic tripping contactor High-speed automatic tripping contactor

1980-03-31

1981-09-29

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 16, 335147, 335174, H01H 7710

Patent

active

042926114

ABSTRACT:
A fast opening contactor comprising an electrodynamic repulsion trip device associated to a standard contactor unit so as to operate the contacts towards the open position against the electromagnetic attraction force in response of a short-circuit current.

REFERENCES:
patent: 2897408 (1952-07-01), Kesselring et al.
patent: 3979675 (1976-09-01), Maier
patent: 4077026 (1978-02-01), Slade et al.

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