Fused station protector

Electricity: electrical systems and devices – Safety and protection of systems and devices – Circuit interruption by thermal sensing

Patent

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Details

361119, H02H 8544

Patent

active

043331211

ABSTRACT:
Apparatus for the electrical protection of communication circuits includes an insulative base (e.g., 13) having a line terminal (e.g., 3) and a station terminal (e.g., 1). A fuse wire (e.g., 2) is enclosed within a cavity (e.g., 21) within the base (e.g., 13). The fuse wire (e.g., 2) is connected in series between the line terminal (e.g., 3) and the station terminal (e.g., 1). The cavity (e.g., 21) is filled with an arc-extinguishing material (e.g., 22) to prevent a power arc when the fuse wire (e.g., 2) melts.

REFERENCES:
patent: 1862317 (1932-06-01), Ringwald
patent: 2600407 (1952-06-01), Kelsay
patent: 3281555 (1966-10-01), Fister
patent: 3448341 (1969-06-01), Casey
patent: 3600634 (1971-08-01), Muench, Jr.
patent: 3760227 (1973-09-01), Poindexter
patent: 3929660 (1975-12-01), Khalid

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