Electrical switchgear having an insertable and retractable appar

Details Electrical switchgear having an insertable and retractable appar Electrical switchgear having an insertable and retractable appar

1990-11-19

1992-02-18

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

200 50AA, 361339, 361391, 439259, H02B 110, H01H 920

Patent

active

050899341

ABSTRACT:
A switchgear has insertable and retractable apparatus racks, which are to be connected by means of break-contact devices to supplying busbars and to outgoing conductors. The busbars are configured to lie one behind the other in a moving direction during insertion and retraction of the apparatus rack. Both break-contact configurations are simultaneously actuated by means of a mutual driving arrangement, for example, a shaft, pinions and gear racks. The result is that when the break-contact configurations are closed, the apparatus rack is mechanically blocked in a reliable manner so that it cannot become displaced.

REFERENCES:
patent: 4236189 (1980-11-01), Yosida
patent: 4668035 (1987-05-01), Jego
patent: 4703137 (1987-10-01), Bohnen
patent: 4743715 (1988-05-01), Gaillard
patent: 4984383 (1991-01-01), Mummey

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