Varistor inserter device for a high-voltage circuit-breaker

Details Varistor inserter device for a high-voltage circuit-breaker Varistor inserter device for a high-voltage circuit-breaker

1992-05-21

1993-11-23

Pellinen, A. D.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144AP, H01H 3316, H01H 942

Patent

active

052646718

ABSTRACT:
A device for temporarily inserting an electrical component such as a varistor connected to a contact arm carrying a metal contact ring in parallel with the contact of a circuit-breaker comprises a small diameter metal tube mechanically joined and electrically connected to the exterior of the main mobile contact. A rod can slide inside the small diameter metal tube. The rod has at a first end, a metal contact sleeve which can come into electrical contact with the metal contact ring. The sleeve abuts a first end of the small diameter metal tube. The second end of the rod carries a conical abutment. The second end of the tube has a bore which terminates in a conical interior shape profile complementary to and sized to that of the abutment.

REFERENCES:
patent: 4644118 (1987-02-01), Gengenbach et al.
patent: 5164559 (1992-11-01), Pham et al.

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