Loadbreak male contact assembly

Details Loadbreak male contact assembly Loadbreak male contact assembly

1976-08-06

1978-04-04

Lake, Roy

Geometrical instruments

200 51R, 339DIG3, 339117R, 339143R, H01R 1352

Patent

active

040824055

ABSTRACT:
A male contact assembly for high voltage switching applications includes an elongate male contact with an electrically conductive extension arranged concentrically with the contact and extending longitudinally therefrom. A layer of electrically insulative material overlies the contact extension and arc-quenching material overlies such electrically insulative layer. The electrically insulative layer is more resilient than both the extension and arc-quenching material whereby the assembly can withstand greater cantilever stressing prior to fracture of the arc-quenching material than an assembly lacking such resilient layer. On such fracturing, the electrically insulative layer isolates the contact extension and contact from electrical arcing.

REFERENCES:
patent: 4008943 (1977-02-01), Flatt et al.

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