Fuse

Details Fuse Fuse

1986-12-11

1988-03-15

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337292, H01H 8504

Patent

active

047316004

ABSTRACT:
A General-Purpose or Full-Range fuse in which one or more integral fuse elements are provided a first part of the length of each element serving as a current limiting device at high fault currents and a second part of the length of each element serving as an expulsion device at lower fault currents. In a preferred embodiment the first fuse part has a plurality of constrictions such as holes or notches disposed along its length and the second part has a single constriction located in a central region thereof, the length of the constriction in the second part exceeding the length of one of the constrictions in the first part.

REFERENCES:
patent: 2653203 (1953-09-01), Kozacka
patent: 4308514 (1981-12-01), Kozacka

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