Circuit breaker monitoring apparatus, circuit breaker and circuit breaker monitoring method

The invention relates to the technical field of circuit monitoring, and specifically to a circuit breaker monitoring apparatus, a circuit breaker and a circuit breaker monitoring method. The circuit breaker monitoring apparatus comprises wireless induction apparatuses, a controller and an output module which are electrically connected in sequence; the circuit breaker monitoring apparatus also comprises induction tags, wherein the induction tags are arranged on at least one switch of the circuit breaker; the wireless induction apparatuses are used for reading information of the corresponding induction tags, and generating induction electric signals according to the corresponding reading results; the controller is used for judging the on-off state of the circuit breaker according to the induction electric signals, and generating an on-off state electric signal; the output module is used for outputting the on-off state electric signal; and each wireless induction apparatus comprises an NFC (near field communicat