A heat protection device for overvoltage arrester magazines
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United States of America Patent
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Feb 10, 1987
Grant Date -
N/A
app pub date -
Jun 11, 1984
filing date -
Jul 1, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat protection device for overvoltage terminal block arrester magazines having with two-way arresters or with button arresters. According to the present invention, an S-shaped clip spring or an L-shaped clip spring is inserted in a button arrester of the 6.times.6-type or the 6.times.8-type. The clip provides one leg of the protection device having a solder preform and a switch contact to complete the circuit. In case of an overvoltage, the arc developed in the arrester causes the solder preform to melt off during an extended application of heat arising from the arrester, activating the switch contact and short-circuiting the leg of the arrester.
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