CIRCUIT INTERRUPTER EMPLOYING A MECHANISM TO OPEN A POWER CIRCUIT IN RESPONSE TO A RESISTOR BODY BURNING OPEN

CIRCUIT INTERRUPTER EMPLOYING A MECHANISM TO OPEN A POWER CIRCUIT IN RESPONSE TO A RESISTOR BODY BURNING OPEN

A GFCI/AFCI circuit breaker includes a housing, separable contacts, and an operating mechanism for opening and closing the separable contacts. A first trip mechanism includes a GFCI/AFCI trip circuit having a resistor. The resistor is energized in response to a trip condition. The first trip mechani...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ELMS, ROBERT TRACY, CLAREY, ROBERT J, SABOL, RICHARD PAUL
Format: Patent
Sprache:eng ; fre
Schlagworte:
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
EMERGENCY PROTECTIVE DEVICES
GENERATION
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:A GFCI/AFCI circuit breaker includes a housing, separable contacts, and an operating mechanism for opening and closing the separable contacts. A first trip mechanism includes a GFCI/AFCI trip circuit having a resistor. The resistor is energized in response to a trip condition. The first trip mechanism cooperat es with the operating mechanism to trip open the separable contacts in response to t he trip condition. The resistor has a body which burns open in response to a failure of the separable contacts to trip open. A second trip mechanism engages the body of the resistor and cooperates with the operating mechanism to trip open the separable contacts in response to the body of the resistor burning open.