High voltage high power arc suppressing fuse

Details High voltage high power arc suppressing fuse High voltage high power arc suppressing fuse

1994-02-15

1995-08-29

Donovan, Lincoln

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337276, H01H 8538

Patent

active

054464366

ABSTRACT:
A high voltage high power fuse (5) for use in a low pressure environment such as space. The fuse (5) comprises a fuse element (1) which is electrically connected to two conductive pads (2) and surrounded by an elastic medium (3). When the fuse element (1) is vaporized by a current surge, the elastic medium (3) absorbs the energy of the explosion and then snaps back into the space (6) left by the vaporized fuse element (1). This action of the elastic medium (3) effectively quenches any electric arc which may have bridged the gap (6) between the ends of the blown fuse element (1).

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"Surface Mount Fuse Specification", Feb. 1991, Cooper Industries, Inc., Bussmann Division, pp. 1-3.
"Overview of Contruction and Operation; Current Limiting Fuses", Mepcopal Company; undated.

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