Fuse cartridge of the type with functioning indicator

Details Fuse cartridge of the type with functioning indicator Fuse cartridge of the type with functioning indicator

1992-12-21

1993-11-09

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337267, H01H 8530

Patent

active

052606791

ABSTRACT:
Fuse cartridge, of the type comprising, a striking element (8) retained against elastic means (7) by a conductive wire (6) connected between the connection heads (2) in parallel with at least one meltable element (5) so as to melt with the latter under the effect of an accidental overintensity, a micro-switch (9) whose knob (12) is intended to be actuated by said striking element to supply an alarm circuit in the case of melting of element (5), characterized in that, between the knob (12) and the striking element (8) there is interposed a rocking lever (13) profiled in the manner of a cam in order to give the micro-switch (9) two stable positions of functioning, whatever its inner mechanism.

REFERENCES:
patent: 3593246 (1971-07-01), Ferraz

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