Resettable thermal safety switch

Details Resettable thermal safety switch Resettable thermal safety switch

1977-06-30

1978-10-03

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337 94, 337348, H01H 6100

Patent

active

041186834

ABSTRACT:
A resettable thermal safety switch having a bistable domed bimetallic disc serving as a heat-responsive switching element which pops from its normal curvature to an opposite curvature, thereby moving a contact breaking plate, the switch having a reset button which is arranged to return the disc to its normal state and to close the switch, but between the reset button and the moving parts of the switch is arranged a force-limiting assembly which prevents resetting or blocking of the switching action at the critical temperature.

REFERENCES:
patent: 4059817 (1977-11-01), Hollweck et al.

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