Relay contact protection
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2004
app pub date -
Dec 19, 2003
filing date -
Dec 20, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A relay arcing protection arrangement for a relay of a type including an electromagnetic coil adapted to be connected to a control circuit and effect an opening or closing of at least two electrically conducting contactors in response to a transition signal from the control circuit, including electronic circuit means to detect arcing across the contactors, and to effect activation of a solid state current connection means providing a parallel current pathway to the electrical connectors when arcing is detected during such a selected period of time after activation.
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