Disconnector device for a surge arrester and a protection assembly comprising a surge arrester connected to such a disconnector device
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United States of America Patent
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Oct 23, 2018
Grant Date -
Mar 15, 2018
app pub date -
Sep 13, 2017
filing date -
Sep 13, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This disclosure concerns a disconnector device for a surge arrester. The disconnector device comprises a housing encompassing a cavity and a disconnector unit provided inside the cavity. The disconnector device is connectable to the surge arrester and to ground potential. The housing forms an inner housing of a housing unit. The housing unit comprising an inner housing and an outer housing. The at least one ventilation opening of the inner housing is fluidly connected to the at least one further ventilation opening of the outer housing such that a labyrinth with a gas escape path for the gases from the operating disconnector cartridge is formed.
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