Circuit breaker

Details Circuit breaker Circuit breaker

1975-11-25

1977-09-13

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

335 24, H01H 7116

Patent

active

040486087

ABSTRACT:
A double break, trip free circuit breaker is disclosed which is compensated for variations in ambient temperature. A biased rocker arm carries a contact bridging bar at one end and engages a heater/bimetal or electromagnetic back at the other. A segmented reset plunger allows for a manual trip capability in addition to circuit breaking even when the plunger is held in the reset position. High current handling capabilities result from the separating of the heater/bimetal circuit from the main current flow path.

REFERENCES:
patent: 3287523 (1966-11-01), MacDonald et al.
patent: 3456225 (1969-07-01), Ellenberger

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