20F11ND2P1AA0NNNNN is a model number the Allen-Bradley PowerFlex 755 AC drive. The PowerFlex 755 is a versatile inverter designed for various industrial applications, including pumping, fans, and general purpose control. It offers advanced features such as high performance motor control, flexible programming options, built-in safety features, and a wide range of connectivity options. The specific model number 20F11NDP1AA0NNNNN may a specific configuration or option variant within theFlex 755 series.