High voltage, high current switching apparatus
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United States of America Patent
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-
Jul 16, 1996
Grant Date -
N/A
app pub date -
Nov 19, 1992
filing date -
Nov 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high voltage, high current DC switch is shown having a single pole, double throw relay and a solid state power switch such as an IGBT or MOSFET transistor. Voltage is switched by means of the solid state switch while steady state current is conducted through the relay load contact. Several different protector devices are used in the event of circuit malfunction including a combination of thermal and current fuses and resettable thermostats.
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