20BC072A0AYNANC0 Allen-Bradley inverter is a model of the PowerFlex 755 AC drive series. The PowerFlex 755 series is designed for industrial applications and provides a wide range of features and capabilities for controlling the speed and torque of AC motors. The 20BC072A0AYNANC0 model specifically refers to a variation of the PowerFlex 755 drive with specific specifications and options. It is typically used in applications that require precise control over motor speed and performance, such as in manufacturing, process control, and automation systems.