A device (10) for protecting the integrity and the operation of an automatic binder, which comprises:- an electronic component (13) installed at a spool of wire (12), provided with a microprocessor (14), with a writable memory (15) and with a data transmission antenna (16),- an electronic control unit (17) connected to an electronic part (18) of the binder, which is adapted to provide the electronic control unit (17) with information related to the bindings, and communicating with the electronic component (13) by way of means for reading and writing information (21) on the memory (15). The memory (15) is adapted to contain information related to the number of remaining bindings that can be performed with the spool of wire (12) and/or to contain information related to the type of the spool of wire (12).
