CAN bus speed adapter for the COMPACT system. It is used in installations with COMPACT-E units and CAN peripherals (MD-30C, ME-200C, NS-CAN ...), adapting the communication speed of the slave matrix (500 kbit / s) with the communication speed of peripherals (33.3 kbit / s). The adapter also allows to galvanically isolate the central unit of the equipment of the installation, protecting it from possible wiring problems in the installation.).