An endoscope apparatus is provided with: a power generating section supplying power to a target circuit of an endoscope； a scope information acquiring section acquiring scope information about the endoscope from the endoscope； a protection circuit provided in association with the power generating section, the protection circuit being capable of operating in a plurality of protection modes； and an operation controlling section controlling the power generating section, and selecting and setting one protection mode from among the plurality of protection modes for the protection circuit, based on the scope information.
