Overvoltage protection plug with fail-safe device having optional visual fail-fail signal indicator
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
May 20, 1998
filing date -
May 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An overvoltage protection plug is provided, including at least one voltage-limiting component with an associated fuse element and a fail-safe device (6). The fuse element trips the fail-safe device (6) in the event of thermal overheating. The fail-safe device can optionally be upgraded with visual fail-safe signaling, wherein the voltage-limiting component is arranged with the associated fuse element and the fail-safe device (6) as an enclosed unit on a first printed circuit board (3) to which, optionally, the visual fail-safe signaling, which is arranged on a separate, second printed circuit board (10), can be assigned.
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