Surge arrester

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

Patent

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Details

361117, H02H 904, H01C 712, H01C 804

Patent

active

056027109

ABSTRACT:
A surge arrester includes at least two connection fittings and a one-piece frame, the frame holding the connection fittings. The frame is formed of an insulating material. The surge arrester includes at least one block of varistor material clamped between the connection fittings. The surge arrester further includes an insulating material in which the frame, the block of varistor material and at least part of the connection fittings are cast to form a monolithic body. An arrangement is provided for maintaining a contact force between the connection fittings and the block of varistor material.

REFERENCES:
patent: 4853670 (1989-08-01), Stengard
patent: 4930039 (1990-05-01), Woodworth et al.
patent: 5043838 (1991-08-01), Sakich
patent: 5291366 (1994-03-01), Giese et al.

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