Circuit breaker with a circuit breaker unit and processing, cali

Details Circuit breaker with a circuit breaker unit and processing, cali Circuit breaker with a circuit breaker unit and processing, cali

1997-10-23

1999-03-02

Tong, Nina

Communications: electrical

Condition responsive indicating system

Specific condition

340635, 335 17, 361 87, 361 93, 361 96, G08B 2100

Patent

active

058776915

ABSTRACT:
The circuit breaker comprises a circuit breaker unit onto which there are fixed a communication module, a processing module and a calibration module. The communication module communicates with the processing module only via a connection with galvanic isolation, preferably an optical connection, whereas the calibration module is electrically connected to the processing module. The communication module is, in addition, connected by a mechanical connection to parts of the circuit breaker unit representative of the state of the circuit breaker, and by a bidirectional electrical connection to an external communication bus. An interface connected to the circuit breaker unit can act as support for the calibration module and for an additional module containing information representative of the breaking capacity of the circuit breaker and electrically connected to the processing module.

REFERENCES:
patent: 3529292 (1970-09-01), Neill et al.
patent: 4358810 (1982-11-01), Wafer et al.
patent: 4780786 (1988-10-01), Weynachter et al.
patent: 4780787 (1988-10-01), Dano et al.
patent: 5502435 (1996-03-01), Ralston
patent: 5555456 (1996-09-01), Waite

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