A method for servicing/maintaining a switchgear panel comprising one or more compartments suitable to accommodate corresponding electrical or electronic equipment, comprising: - providing in said switchgear panel a Human Machine Interface (HMI-30) comprising a first memory unit, a first circuit breaker having a shaped body, and a first Intelligent Electronic Device (IED-20) which is positioned on board of said shaped body, said first Intelligent Electronic Device (IED-20) comprising an associated memory unit, on at least one of said first memory unit and associated memory unit there being saved sets of data related to one or more of said switchgear panel, the first Intelligent Electronic Device itself, and the first circuit breaker; - putting said Human Machine Interface (HMI-30) in operative communication with said first Intelligent Electronic Device (IED-20); - transferring one or more of the sets of data saved on said associated memory unit onto said first memory unit or vice versa; - saving the one or more sets of data transferred; characterized in that it comprises, after replacing at least one of said first circuit breaker, said first Intelligent Electronic Device (IED-20), said associated memory unit, said Human Machine Interface (HMI-30) or said first memory unit, with a corresponding one new circuit breaker, new Intelligent Electronic Device (IED-20), new associated memory unit, new Human Machine Interface (HMI-30), or new first memory unit, respectively: - checking through at least one of the actually used Human Machine Interface (HMI-30) and the actually used Intelligent Electronic Device (IED-20) if there are differing data between the sets of data saved on the actually used associated memory unit with the sets of data saved on the actually used first memory unit; and - transferring through at least one of the actually used Human Machine Interface (HMI-30) and the actually used Intelligent Electronic Device (IED-20) at least part of the differing data from said actually used first memory unit to said actually used associated memory unit or vice versa. - providing in said switchgear panel a Human Machine Interface (HMI-30) comprising a first memory unit, a first circuit breaker having a shaped body, and a first Intelligent Electronic Device (IED-20) which is positioned on board of said shaped body, said first Intelligent Electronic Device (IED-20) comprising an associated memory unit, on at least one of said first memory unit and associated memory unit there being saved sets of data related to one or more of said switchgear panel, the first Intelligent Electronic Device itself, and the first circuit breaker; - putting said Human Machine Interface (HMI-30) in operative communication with said first Intelligent Electronic Device (IED-20); - transferring one or more of the sets of data saved on said associated memory unit onto said first memory unit or vice versa; - saving the one or more sets of data transferred; - checking through at least one of the actually used Human Machine Interface (HMI-30) and the actually used Intelligent Electronic Device (IED-20) if there are differing data between the sets of data saved on the actually used associated memory unit with the sets of data saved on the actually used first memory unit; and - transferring through at least one of the actually used Human Machine Interface (HMI-30) and the actually used Intelligent Electronic Device (IED-20) at least part of the differing data from said actually used first memory unit to said actually used associated memory unit or vice versa.