Disconnect switch with integrated thermal breaker
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Jun 8, 2015
filing date -
Jun 8, 2015
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A disconnect switch is disclosed with an integrated thermal breaker that can be disposed between a source of power and a circuit to be protected. The disconnect switch can comprise a housing, a first terminal coupled to a power source and a second terminal coupled to a load. The first terminal and the second terminal can be partially included in the housing. The disconnect switch comprises a bi-metal thermal conductive element made from at least two metal sheets with different thermal expansion coefficients and having a concave shape that engages the first and second terminals. Upon occurrence of an overload condition, heat flowing through the bi-metal thermal conductive element causes the concave shape to retract to a convex shape and disengage the bi-metal thermal conductive element from the first and the second terminals.
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