US Patent 7835120 Circuit breakers with ground fault and overcurrent trip
Patent 7835120 was granted and assigned to Carling Technologies on November, 2010 by the United States Patent and Trademark Office.
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A circuit breaker apparatus may be used to interrupt overcurrent and ground fault in a circuit. The circuit breaker apparatus may include an overcurrent coil for tripping the circuit breaker apparatus, a voltage coil also for tripping the circuit breaker apparatus located proximate to the overcurrent coil, and ground fault electronics connected to the voltage coil and structured to detect a ground fault in the circuit when the ground fault exceeds a threshold level. The ground fault electronics can be structured to send a trip signal to the voltage coil when a ground fault is detected, and the voltage coil can be structured to trip the circuit breaker apparatus when it receives the trip signal from the ground fault electronics.
US Patent 07835120 Circuit breakers with ground fault and overcurrent trip US Patent 7835120 Circuit breakers with ground fault and overcurrent trip
US Patent 07835120 Circuit breakers with ground fault and overcurrent trip
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