Low current clearing back up fuse

Details Low current clearing back up fuse Low current clearing back up fuse

1981-07-20

1983-12-13

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337252, H01H 8530

Patent

active

044207352

ABSTRACT:
An energy-limited fuse having a number of fuse elements spirally wrapped about a spider formed from a number of insulating plates, the fuse elements being supported in a parallel spaced relation at a distance sufficient for each element to operate independently and a striker pin assembly independently mounted in said fuse after said spider assembly has been mounted in said fuse, said striker pin assembly including a vaporizable wire for holding the striker pin in said striker pin assembly until the fuse elements are vaporized.

REFERENCES:
patent: 3263048 (1966-07-01), Hicks
patent: 4001749 (1977-01-01), Kozacka
patent: 4150353 (1979-04-01), Huber et al.
patent: 4153893 (1979-05-01), Swanson

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