Title:
AUTO-ISOLATING CIRCUIT BREAKER CONTAINING SULPHUR HEXAFLUORIDE AND USE THEREOF IN ELECTRICAL BAYS AND PREFABRICATED MAIN AND OTHER SUBSTATIONS
Document Type and Number:
WIPO Patent Application WO/1993/010548
Kind Code:
A1
Abstract:
An auto-isolating circuit breaker containing sulphur hexafluoride (SF6) in which each pole has a sealed casing filled with SF6, and in which fixed contacts and arcing contacts are provided, said poles being attached to a single earthed metal beam (4) which is pivotable between two opposite sides of a slide ring (45) which may contain the poles. Said beam (4) contains a pole control shaft (5) connected to a control housing which is rigidly fixed to the beam (4). Said beam rotates to perform the isolation function and said shaft (5) rotates to perform the circuit breaking function.
Inventors:
ROZIER PAUL (FR)
Application Number:
PCT/FR1992/000599
Publication Date:
May 27, 1993
Filing Date:
June 26, 1992
Export Citation:
Assignee:
ALSTHOM GEC (FR)
International Classes:
H01H9/08; H01H33/02; H01H33/12; H01H33/42; H01H33/53; H01H33/60; H01H33/64; H02B1/36; (IPC1-7): H01H33/02; H01H33/12
Foreign References:
| EP0094858A1 | 1983-11-23 | |||
| EP0405253A1 | 1991-01-02 | |||
| EP0028047A1 | 1981-05-06 | |||
| CH668334A5 | 1988-12-15 | |||
| US3641295A | 1972-02-08 | |||
| FR1533266A | 1968-07-19 |
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