Circuit protection device

Details Circuit protection device Circuit protection device

1987-12-07

1989-10-31

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337102, 338 22R, 361106, H01H 6102, H01H 7116, H02H 504

Patent

active

048780383

ABSTRACT:
Multiple embodiments of a device suitable for arrangement in a circuit for protection of components in the circuit are disclosed, the device of each embodiment including a temperature responsive electrical regulating component including a conductive polymer or ceramic material having an electrical regulating capability dependent on temperature and at least one series connected switch including trip means also responsive to temperature for opening and closing the circuit in a reliable manner, the device being adapted for connection in the circuit to be protected. The various embodiments include different arrangements of the temperature responsive electrical regulating component and the switch. Certain of the embodiments include a second series connected switch of similar construction. The conductive polymer or ceramic material can be of a variety of types for performing different electrical regulating functions within the circuit.

REFERENCES:
patent: 4329726 (1982-05-01), Middleman et al.

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