Electrical cut-off device

Details Electrical cut-off device Electrical cut-off device

1989-05-11

1990-08-07

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337169, 337180, H01H 7110, H01H 7120

Patent

active

049471481

ABSTRACT:
A horizontally mounted electrical cut-out device is provided. The device includes an insulator electrically isolating a pair of terminals and a fuse assembly comprising a fuse carrier housing a fuse element removably connected between the terminals. The fuse assembly is pivotally connected at one end to one of the terminals to allow the other end of the fuse assembly to engage the other terminal when the fuse assembly is pivoted. The pivotal connection is such so as to permit the fuse assembly to drop automatically to an open position following an interruption resulting from an overload or fault thereby establishing an open circuit condition. This increases safety and provides a visible indication of the open circuit condition. A latch is provided on the other terminal to engage releasably the other end of the fuse assembly to maintain the electrical connection between the two terminals.

REFERENCES:
patent: 1821761 (1931-09-01), Lemmon
patent: 2651694 (1953-09-01), Lindell
patent: 2901573 (1959-08-01), Gesellschap

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