ATV12H018M2 is model of Schneider Electric's ATV12 series inverter. It is a variable frequency drive (VFD) used for controlling the speed of electric motors. The ATV12H018M2 model specifically has an 18.5 kW power rating. It features various control modes, programmable logic functions, and built-in communication capabilities for integration into automation systems. The ATV12 series inverters are commonly used in industrial applications such as pumps, fans, and conveyors.