Switch device having an insulating screen inserted between the c

Details Switch device having an insulating screen inserted between the c Switch device having an insulating screen inserted between the c

1985-11-25

1987-06-30

Budd, Mark O.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148R, H01H 3306

Patent

active

046772669

ABSTRACT:
A switch in which a screen inserted between the contacts shears the opening arc. The screen is associated with a sheath that surrounds a contact support and slides on the latter when the gas pressure it is subjected to causes it to move at a velocity which is a function of the energy of the arc. The switch is applicable in particular to protective apparatus designed to limit fault current or breaking devices in which steady-state current is fairly high.

REFERENCES:
patent: 3281561 (1966-10-01), Marx
patent: 3542986 (1970-11-01), Kotski
patent: 4082932 (1978-04-01), Rozier
patent: 4293750 (1981-10-01), Marin
patent: 4342978 (1982-08-01), Meister
patent: 4370531 (1983-01-01), Tobin
patent: 4471188 (1984-09-01), Van et al.
patent: 4536630 (1985-08-01), Bebel et al.
patent: 4562323 (1985-12-01), Bebel et al.

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