Secondary circuit breaker for distribution transformer with indi

Details Secondary circuit breaker for distribution transformer with indi Secondary circuit breaker for distribution transformer with indi

1984-08-23

1985-11-19

Broome, Harold

Electricity: electrothermally or thermally actuated switches

With separate distinct diverse art-type switching device

Bimetallic device with other

335 6, 335 17, 361 38, H01H 3752

Patent

active

045545243

ABSTRACT:
A secondary circuit breaker for a distribution transformer characterized by electrical inductive apparatus within an oil-filled housing, and circuit interrupter for controlling current flow through said apparatus and comprising a releasable latch arm, trip means operable upon overload conditions to release the latch arm, a latch lever between the trip means and the latch arm, and a signal light circuit for activating a signal light when current through the circuit breaker exceeds a low signal overload value. That is less than the trip value.

REFERENCES:
patent: 3983454 (1976-09-01), Cotton et al.
patent: 3997857 (1976-12-01), Wien et al.
patent: 4030053 (1977-06-01), Cotton et al.
patent: 4105986 (1978-08-01), Gogniat et al.
patent: 4119935 (1978-10-01), Wien et al.
patent: 4324961 (1982-04-01), Ristuccia et al.

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