Bell alarm and lock-out for high ampere-rated circuit breakers
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United States of America Patent
Stats
-
Mar 26, 1996
Grant Date -
N/A
app pub date -
May 25, 1994
filing date -
May 25, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combined bell alarm and lock-out accessory is connected with the electronic trip unit that controls a high ampere rated circuit breaker. The accessory interacts with the circuit breaker operating mechanism to activate the bell alarm upon circuit interruption and to prevent the closing of the circuit breaker contacts until the accessory is manually reset.
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Family
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