Bushing assembly with circuit interrupters including polyphase o

Details Bushing assembly with circuit interrupters including polyphase o Bushing assembly with circuit interrupters including polyphase o

1995-07-07

1997-02-04

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Operating mechanism structure or arrangement

218 84, 218155, H01H 3302, H01H 3342

Patent

active

056001126

ABSTRACT:
A bushing assembly is provided that functions as a circuit interrupter for electrical equipment such as a power transformer or the like. The bushing assembly is mounted so as to extend through the housing of the electrical equipment and incorporates a circuit interrupter having separable interrupter contacts. The bushing assembly includes an insulating bushing and electrical connections for connecting the separable interrupting contacts between a power source connection external to the housing and an input connection internal to the housing that supplies the electrical equipment. The circuit interrupter includes a control arrangement for selectively operating the separable interrupting contacts. In one specific arrangement, the control arrangement is responsive to operate the separable interrupting contacts to interrupt the circuit when the current is above a predetermined level.

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