OVERVOLTAGE PROTECTION DEVICE WITH IMPROVED LEAKAGE-CURRENT-INTERRUPTING CAPACITY
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United States of America Patent
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N/A
Issued Date -
Jan 22, 2009
app pub date -
Jul 25, 2001
filing date -
Jul 26, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A device for protecting an electrical installation (2) against overvoltages, the device having a main spark-gap (E1) and a pre-triggering circuit (10) connected to the main spark-gap (E1) to control the firing of the main spark-gap in the event of any overvoltage. The pre-triggering circuit (10) has at least one voltage-interrupting element (G) which, in the off state, prevents current from passing through the pre-triggering circuit (10), so that, in the absence of an overvoltage, the leakage current consumed by the pre-triggering circuit (10) is essentially zero.
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