Fuse with improved spring timer

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

Patent

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Details

337166, H01H 8504

Patent

active

049927701

ABSTRACT:
The dual element time delay fuse includes a circuit overload trigger which opens the fuse in response to long term medium circuit overloads, and a short circuit strip disposed in a solid matrix filler for opening the fuse in response to the presence of a short circuit in the circuit.

REFERENCES:
patent: 3342964 (1967-09-01), Kozacka
patent: 4344058 (1982-08-01), Knapp, Jr. et al.

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