THERMAL TRIP DEVICE OF A THERMAL MAGNETIC CIRCUIT BREAKER HAVING A RESISTOR ELEMENT, THERMAL MAGNETIC CIRCUIT BREAKER AND SWITCHING DEVICE FOR INTERRUPTING A CURRENT FLOW AND METHOD FOR PROTECTING AN ELECTRICAL CIRCUIT FROM DAMAGE
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Dec 3, 2014
filing date -
Feb 28, 2014
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Abstract
A thermal magnetic circuit breaker is disclosed for protecting an electrical circuit from damage by overload, along with a thermal trip device and a switching device of the thermal magnetic circuit breaker and a method for protecting an electrical circuit from damage. In at least one embodiment, an electric conductive bimetal element is arranged with its first end next to a current conductive element for conducting electrical current and with its second end next to a tripping element adapted to trigger an interruption of a current flow. A resistor element is arranged between the bimetal element and the current conductive element in order to redirect the electrical current at least partially via the bimetal element, when an overload occurs.
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