Current-limiting fuse

Details Current-limiting fuse Current-limiting fuse

1980-07-23

1981-12-29

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337161, 337292, H01H 8510

Patent

active

043085148

ABSTRACT:
A current-limiting fuse including a fusible element that comprises a relatively long portion of sheet copper and one or two end portions of sheet silver. The portions of sheet silver are each shorter than the portion of sheet copper. The portion of sheet copper is perforated, establishing points of reduced cross-section. The portion or portions of sheet silver are likewise perforated. The points of reduced cross-section established by the perforation, or perforations, in the portion or portions of sheet silver have a considerably smaller cross-section than the points of reduced cross-section in the portion of sheet copper.

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

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