The electronic part Q2V-A4018-AAA is an inverter manufactured by Omron. It has maximum motor power rating of either 5.5/7.5kW and an output voltage of 3x400VAC. It is designed to provide smooth speed control of three phase motors. The product features over-current protection, over-voltage protection, under-voltage protection, over temperature protection and short circuit protection. It is suitable for applications with a wide range of applications such as pumps, fans, conveyors, and machine tools.