Fuse block

Details Fuse block Fuse block

1988-03-11

1989-06-06

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337201, 337250, H01H 8504

Patent

active

048375462

ABSTRACT:
A fuse block with a fuse formed of a single piece of fusible metal having a narrowed mid-section and wider end tongues which electrically couple the fuse block to disconnect terminals of an electrical system. A plastic housing covers the portions of the tongue adjoining the mid-section. The housing has a central aperture exposing all sides of the narrowed mid-section of the fusible element to the air. The aperture prevents the housing from acting as a heat sink for the fusible element and from interfering with the prompt reaction of the fuse to an electrical overload.

REFERENCES:
patent: 426156 (1890-04-01), Warrell
patent: 2292907 (1942-08-01), Sperling

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