Circuit breaker

Details Circuit breaker Circuit breaker

1980-04-04

1982-04-13

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337358, H01H 7116

Patent

active

043250467

ABSTRACT:
A current activated actuator formed from a flat sheet of metal has diverging legs mounted in a base, the legs extending from an upper portion of the actuator. A snap action element is mounted on the upper portion and is located between spaced apart contacts. Overload current through one of the legs via a connection on the leg bottom causes the actuator to become vertically offset, moving the snap action element from contact with one of the spaced apart contacts to the other. Reset current through the other leg causes the snap action element to return to its original position.

REFERENCES:
patent: Re28578 (1975-10-01), Burch et al.
patent: 3778739 (1973-12-01), Burch
patent: 3913049 (1975-10-01), Burch
patent: 4032876 (1977-06-01), Burch

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