Circuit breaker with selective locking
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United States of America Patent
Stats
-
Oct 18, 1994
Grant Date -
N/A
app pub date -
Sep 15, 1992
filing date -
Oct 10, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The electronic trip device comprises a device for selecting the faults which are to bring about locking of the circuit breaker contacts in the open position. When a fault in the power supply system protected by the circuit breaker leads to a trip, the trip device orders locking if this fault is one of the faults selected by the selection device.
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