Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1989-09-29
1992-01-21
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335 20, 335 6, 335 64, H01M 7500
Patent
active
050831038
ABSTRACT:
A circuit breaker control system includes a motor driven fork assembly, activated from a remote location, for simultaneously opening all of the breaker load contacts and locking them in an open condition. A DC voltage is selectively applied to energize the reversible DC motor. The switch at the remote location can be operated to enable a user-customer to return the breaker to operable condition at the breaker site. This is accomplished with an SCR circuit that is enabled by the remote switch and actuated by the user to operate the motor in a reverse direction to release the load contacts.
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Scheel Jerry L.
Sortland Matthew D.
Winter John M.
Donovan Lincoln
Golden Larry I.
Jimenez Jose W.
Picard Leo P.
Square D Company
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