Dropout expulsion fuse

Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated

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Details

337217, 337251, H01H 85143, H01H 85165

Patent

active

053009142

ABSTRACT:
A fuse is provided for protection of high current power distribution equipment, such as transformers. The fuse includes a dual function fuse element having a solder pot which permits fuse opening in response to long-term current overload conditions, and a minimum cross-section wire portion for short circuit opening. The fuse element is enclosed within a tube, and the tube is received within a housing. The tube is closed off on one end thereof with a dual size button, which size is selectable for reception into the housing.

REFERENCES:
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patent: 4161714 (1979-07-01), Jacobs, Jr.
patent: 4174530 (1979-11-01), Kresge et al.
patent: 4272751 (1981-06-01), Biller et al.
patent: 4349803 (1982-09-01), Tobin

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