Circuit breaker with selective locking

Details Circuit breaker with selective locking Circuit breaker with selective locking

1992-09-15

1994-10-18

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Automatic reclosing

361 71, H01H 7700

Patent

active

053573943

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.

REFERENCES:
patent: 3567997 (1971-03-01), Moran
patent: 3878436 (1975-04-01), Bogel
patent: 4351013 (1982-09-01), Matsko et al.

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