Bimetal switch

Details Bimetal switch Bimetal switch

1987-12-24

1989-08-29

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337107, H01H 6102, H01H 6313

Patent

active

048621323

ABSTRACT:
A bimetal switch 1 has an insulating base 2 on which a contact spring 3 is arranged, this contact spring having at its unattached end 4 a moving contact 5. In its center area 6, the contact spring 3 supports the bimetal element that activates it. A fixed contact 8 that works in conjunction with the moving contact 5 is arranged on the insulating base and the heating resistor is installed beneath the center area 6 of the contact spring 3. In order to develop a bimetal switch of this kind such that it is simpler to produce and at the same time operates more effectively, the heating resistor 9 is configured as a foil resistor that is arranged on that side of the insulating base that faces the contact spring 3 so as to be flat and in thermal contact with the base, this then forming a laminated body with the insulating base 2.

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