Circuit breaker logic switch system

Details Circuit breaker logic switch system Circuit breaker logic switch system

1994-10-18

1996-05-21

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 20, 340628, H01H 7500

Patent

active

055193676

ABSTRACT:
A logic switch take-up system is incorporated into a circuit breaker's electronic trip unit and signals the circuit breaker's programmer box that the electronic trip unit has been actuated and therefore that the circuit breaker contacts have been displaced from their closed to their open position.

REFERENCES:
patent: 3073936 (1963-01-01), Baird et al.
patent: 3720891 (1973-03-01), Nicol
patent: 4001742 (1977-01-01), Jencks et al.

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