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- Patents > 2008-06-26 > SECTION H ELECTRICITY > BASIC ELECTRIC ELEMENTS > ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
APPARATUS AND METHOD FOR CONTROLLING A CIRCUIT BREAKER TRIP DEVICE
An apparatus and method for controlling the operation of a solenoid in a circuit breaker includes a control circuit configured to receive an activation signal in response to a predetermined condition. The control circuit, in response to said activation signal, provides a first energizing signal to the solenoid for a first predetermined period, and cuts off the first energizing signal for a second predetermined period. The control circuit further provides a second energizing signal to the solenoid for a third predetermined period.
Filed on: 2007-12-20; Application Number: 11961608
Henry Hall Mason
Craig B Williams
Sohaib Uddin Shaikh