Trigger mechanism for time-delay fuses

Details Trigger mechanism for time-delay fuses Trigger mechanism for time-delay fuses

1992-07-30

1993-09-21

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337165, H01H 8504

Patent

active

052472744

ABSTRACT:
A time-delay fuse having a fuse element with a series of weak spots surrounded by a loose sand filler. The fuse element is connected to a trigger mechanism by solder or other meltable alloy. The trigger section provides overload protection and the fuse element provides short circuit protection resulting in a time-delay fuse which can be used in places where there are size restrictions.

REFERENCES:
patent: 4084610 (1977-09-01), Jacobs, Jr.
patent: 4994779 (1991-02-01), Douglass

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