Time delay fuse

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

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Details

337161, H01H 8504

Patent

active

053610580

ABSTRACT:
A time delay fuse including a fuse casing, terminals located on the exterior of the casing, a hollow electrically insulated inner core having first and second holes in the walls thereof, a fusible element that makes electrical connection to the terminals and is disposed on the surface of the core such that the length of the element is greater than the distance between the terminals, the element passing through the holes, and a material that is deposited on a portion of the element passing through the interior of the core and lowers the melting temperature of that portion.

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