High temperature pressure switch assembly for use with explosion-proof enclosures
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United States of America Patent
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-
Jan 16, 1990
Grant Date -
N/A
app pub date -
Feb 8, 1989
filing date -
Feb 8, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high temperature pressure switch assembly for an explosion-proof enclosure used in hazardous atmospheres comprises an electrical control switch for a remote power source supplying electrical power to the enclosure, and a pressure responsive member which actuates the control switch to disconnect the power source in response to a small but abrupt pressure rise within the enclosure which indicates an explosion, severe electrical arcing or insulation pyrolysis therewithin.
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