Electromechanical circuit breaker
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United States of America Patent
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Dec 5, 2017
Issued Date -
N/A
app pub date -
Nov 9, 2016
filing date -
Nov 10, 2015
priority date (Note) -
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Abstract
An electromechanical circuit breaker comprising a main contact pair comprising a first main contact disposed on a first main contact bridge; an auxiliary contact pair comprising a first auxiliary contact disposed on a first auxiliary contact bridge, the first auxiliary contact bridge being connected in parallel to the first main contact bridge and wherein the auxiliary contact pair comprises a material that has a higher melting point than a material of the main contact pair; a first armature configured to move the first main contact bridge; a second armature configured to move the first auxiliary contact bridge, wherein the first and second armatures are configured such that the auxiliary contact pair opens after the main contact pair opens, and the auxiliary contact pair closes before the main contact pair closes.
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