Contact arrangement for vacuum switches

Details Contact arrangement for vacuum switches Contact arrangement for vacuum switches

1985-02-22

1986-10-28

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

046200746

ABSTRACT:
A contact arrangement comprising two cup-type contacts having hollow-cylindrical contact carriers arranged coaxially with each other and having slots inclined in the same sense to the longitudinal axis of the contact arrangement. The slots act as a coil for generating a magnetic field for minimizing arc currents. The condition ##EQU1## is met in a range of the outside diameter D of the contact carriers of from 60 to 150 mm, a predetermined height H.sub.T of the contact carriers, a number s of the slots and an azimuth B of the slots. With this design, a contact arrangement with an axial magnetic field of at least 3.5 uT/A is obtained.

REFERENCES:
patent: 4532391 (1985-07-01), Bernt

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