Overvoltage protection device having at least one surge arrester
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United States of America Patent
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Oct 27, 2015
Grant Date -
Oct 23, 2014
app pub date -
Dec 7, 2011
filing date -
Feb 18, 2011
priority date (Note) -
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Abstract
The invention relates to an overvoltage protection device, comprising at least one surge arrester and one switchgear assembly, which is connected in series to the surge arrester and which can be triggered thermally, wherein the aforementioned components form a structural unit, and the thermal tripping means is arranged in the area of the expected heating up of the surge arrester when overloaded. According to the invention, the thermal tripping unit is configured as a stop element through which operating current or surge current does not flow. In the event of thermal overload, the stop element opens a releasing device of the switchgear assembly, wherein said switchgear assembly has an increased self-extinguishing capacity.
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