Electrical bridge attached to high current switch

Details Electrical bridge attached to high current switch Electrical bridge attached to high current switch

1979-01-24

1981-11-17

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144R, 337 35, 337143, 337156, 337221, 337401, H01H 3312

Patent

active

043013392

ABSTRACT:
A high current switch includes first and second contact plates, each having a contact surface. The contact plates are moved between a closed position with the contact surfaces in contact and an open position with the contact surfaces separated. An electric bridge has opposite ends connected to the contact plates and spans the contact surfaces. During opening of the switch, the electric bridge, in the form of a fuse, remains integral and provides a secondary electrical connection between the contact surfaces, thus preventing arcing therebetween. Upon complete opening of the switch, the electrical bridge ruptures.

REFERENCES:
patent: 2167499 (1939-07-01), Dickinson
patent: 2491956 (1949-12-01), Curry
patent: 2838634 (1958-06-01), Kesselring et al.
patent: 3542987 (1980-11-01), Levy
patent: 3544843 (1970-12-01), Slettten et al.

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