Sulfur hexafluoride isolating circuit-breaker and use thereof in

Details Sulfur hexafluoride isolating circuit-breaker and use thereof in Sulfur hexafluoride isolating circuit-breaker and use thereof in

1992-11-17

1994-10-18

Pellinen, A. D.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 50AA, 200148F, H01H 3352, H01H 3348

Patent

active

053570685

ABSTRACT:
A sulfur hexafluoride isolating circuit-breaker comprises an SF.sub.6 -filled gastight case for each cell containing fixed contacts and arcing contacts, the poles are fixed to a common grounded metal bar capable of pivoting between two end walls of a drawer suitable for containing the poles, said bar shelters a control shaft for the poles and connected to a control box which is itself connected to said bar, the rotation of the bar providing the section-switch isolating function and rotating or translating said shaft driving the circuit breaking function.

REFERENCES:
patent: 2492490 (1949-12-01), Lindae
patent: 2952799 (1960-09-01), Wortman et al.
patent: 4038585 (1977-07-01), Wolski et al.
patent: 4110578 (1978-08-01), Freeman et al.
patent: 4521657 (1985-06-01), Thuries

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