Circuit breaker with improved trip means having a high rating sh

Details Circuit breaker with improved trip means having a high rating sh Circuit breaker with improved trip means having a high rating sh

1976-03-10

1977-05-24

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

323 22Z, 361 93, H02H 104

Patent

active

040258211

ABSTRACT:
A circuit breaker comprises a stored energy mechanism and a solid state overcurrent sensing trip circuit. The circuit breaker also includes a remotely operable shunt trip device having a zener diode for operation from high voltage control circuits without the necessity for a stepdown transformer.

REFERENCES:
patent: 3252052 (1966-05-01), Nash
patent: 3365617 (1968-01-01), Flanagan
patent: 3423636 (1969-01-01), Rowley, Jr.
patent: 3818276 (1974-06-01), Jacobs
patent: 3939363 (1976-02-01), Engel

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