CIRCUIT INTERRUPTING DEVICE WITH AUTOMATIC TEST
First Claim
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1. A circuit interrupting device comprising:
- a phase conductive path and a neutral conductive path each having a line side and a load side;
a fault sensor capable of monitoring the phase and neutral conductive paths for a predefined fault condition and outputting a condition signal in the event a predefined fault condition is detected;
a relay controller coupled to a relay and capable of receiving the outputted condition signal, such that when the relay controller receives the outputted condition signal the relay is energized causing electrical discontinuity in the phase and neutral conductive paths between the line side and load side;
a load voltage sensor capable of measuring the voltage between the phase and neutral conductive paths at the load side and outputting a voltage signal in response to the measured voltage; and
a power interrupting system having a power interrupting controller coupled to the fault sensor and the load voltage sensor and capable of outputting a disconnect signal in response to the detection of a predefined operational condition based upon the condition signal and the voltage signal, and a power interrupter capable of causing permanent electrical discontinuity in the phase and neutral conductive paths between the line side and load side in response to the disconnect signal.
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Abstract
Resettable circuit interrupting devices having self-test and non-resettable or limited resettable power interrupting systems are provided. The permanent power interrupting system activates when a circuit interrupting device is no longer capable of operating in accordance with applicable standards governing such devices or the device is no longer capable of operating in accordance with its design characteristics.
29 Citations
1 Claim
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1. A circuit interrupting device comprising:
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a phase conductive path and a neutral conductive path each having a line side and a load side; a fault sensor capable of monitoring the phase and neutral conductive paths for a predefined fault condition and outputting a condition signal in the event a predefined fault condition is detected; a relay controller coupled to a relay and capable of receiving the outputted condition signal, such that when the relay controller receives the outputted condition signal the relay is energized causing electrical discontinuity in the phase and neutral conductive paths between the line side and load side; a load voltage sensor capable of measuring the voltage between the phase and neutral conductive paths at the load side and outputting a voltage signal in response to the measured voltage; and a power interrupting system having a power interrupting controller coupled to the fault sensor and the load voltage sensor and capable of outputting a disconnect signal in response to the detection of a predefined operational condition based upon the condition signal and the voltage signal, and a power interrupter capable of causing permanent electrical discontinuity in the phase and neutral conductive paths between the line side and load side in response to the disconnect signal.
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Specification
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Current AssigneeLeviton Manufacturing Company Incorporated
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Original AssigneeLeviton Manufacturing Company Incorporated
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InventorsBradley, Roger M., Calixto, Armando, Germain, Frantz, DiSalvo, Nicholas L., Mernyk, Ross, Stewart, Stephen
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current361/42
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CPC Class CodesH02H 3/335 the main function being sel...
