Fusible electric cable protector

Details Fusible electric cable protector Fusible electric cable protector

1980-04-02

1981-10-27

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337413, H01H 8516

Patent

active

042976677

ABSTRACT:
A fusible electric cable protector has a casing that defines a first internal space containing the fusible elements and a granular arc-quenching filler. At least one of the pair of terminal elements closing the casing is conductively connected to one connecting element that extends axially outwardly from the aforementioned terminal element and whose purpose is to connect the cable protector into an electric circuit. That connecting element has a cylindrical outer surface and is hollow, thus defining a second internal space filled with a granular arc-quenching filler. The aforementioned first internal space and the aforementioned second internal space are in communication by a passageway in one of the pair of terminal elements. A plug normally closes the open end of the cylindrical connecting element.

REFERENCES:
patent: 2625626 (1953-01-01), Matthysse
patent: 2918551 (1959-12-01), Kozacka
patent: 3007019 (1961-10-01), Kozacka

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