Arrester disconnecting device

Details Arrester disconnecting device Arrester disconnecting device

1988-12-08

1989-09-05

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361132, 361117, 337 31, 337 34, H02H 904

Patent

active

048644552

ABSTRACT:
A surge arrester disconnecting device which includes a fixed electrode, a movable electrode, and a latch device for holding the two electrodes in engagement. A trigger device, associated with a first spring and a fusible wire stretched between the movable electrode and the trigger device, releases the latch when the fusible wire is melted by continuation current therethrough. Upon trigger actuation and latch release, a second spring assists in the non-explosive disconnection of the movable electrode.

REFERENCES:
patent: 2142188 (1939-01-01), Gaston
patent: 2504438 (1950-04-01), Mc Farlin
patent: 3064164 (1962-11-01), Osmundsen et al.
patent: 4308566 (1981-12-01), Imataki et al.
patent: 4774622 (1988-09-01), Shirakawa et al.
patent: 4788622 (1988-11-01), Cinquin

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