Switchgear bus and connection structure

Details Switchgear bus and connection structure Switchgear bus and connection structure

1980-03-10

1982-01-19

McGlynn, Joseph H.

Geometrical instruments

339 32R, H01R 1320

Patent

active

043113532

ABSTRACT:
For use in a low-voltage switchgear there is provided the combination of a busbar and at least one electrical coupling device for screw connection or plug-in connection to the busbar. The busbar is in the form of a hollow channel section bar, the cross-section of which comprises two outer branches projecting from the same side of a base. Each outer branch has a thickened edge portion along its edge remote from the base, which is provided with an open groove, the bottom of which constitutes a contact surface for said screw connection coupling devices. In its hollow interior, the busbar has contact surfaces for said plug-in coupling devices. Surfaces of the busbar other than said contact surfaces have an electrically insulating coating.

REFERENCES:
patent: 2297374 (1942-09-01), Tingle
patent: 2783444 (1957-02-01), Tidd
patent: 3858156 (1974-12-01), Zarro
patent: 3933403 (1976-01-01), Rubesamen et al.
patent: 4173382 (1979-11-01), Booty

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