Electric fuse having plug terminals

Details Electric fuse having plug terminals Electric fuse having plug terminals

1979-08-20

1981-03-03

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337252, H01H 8516

Patent

active

042543940

ABSTRACT:
An electric fuse having plug terminals. The fusible elements are connected to the plug terminal by the intermediary of metal strips having three sections. One section is inserted into the grooves of the plug terminals and conductively connected with the latter. Another section is arranged in a plane parallel to, but spaced from, the plane defined by said first mentioned section. A third section of the metal strips conductively interconnects the first section and the second section thereof. The aforementioned strip, if of sufficient length, greatly increases the flexibility of the fusible-element-and-strip-unit, minimizes the voltage drop across the fuse if the strip is considerably thicker than that of the fusible element of the fuse, and permits an arrangement of the fusible elements within the casing of the fuse that does not depend on the arrangement of the grooves on the axially inner end surfaces of the plug terminals and allows the pulverulent arc-quenching filler to exert a maximal arc-quenching action.

REFERENCES:
patent: 3486155 (1969-12-01), McCaughna
patent: 3801945 (1974-04-01), Howard
patent: 3849754 (1974-11-01), Blewitt et al.
patent: 3967228 (1976-06-01), Koch et al.

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