Circuit protection devices

Details Circuit protection devices Circuit protection devices

1984-10-15

1986-07-08

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337223, H01H 8530

Patent

active

045995974

ABSTRACT:
A circuit protection device, particularly for printed circuit boards, comprises a slider (25) which is held in a first operating position by fusible wire (49) extending between two pegs (19,20). The slider is propelled by a spring (48), upon fusion of the fusible wire, into a second position in which it closes a signalling circuit by means of a conductive plate (33) which comes to rest against the pegs (21,22). Means (40,41; 46, 47) is provided to prevent rebound of the plate (33) from the pegs (21,22).

REFERENCES:
patent: 3286062 (1966-11-01), Hussar
patent: 3437972 (1969-04-01), Urani
patent: 3696316 (1972-10-01), Kitagawa et al.

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