The SK-R1-MCB1-PF753 is a PowerFlex 753 control board that has been designed by Allen-Bradley/Rockwell Automation to be used with the PowerFlex Architecture Class Low-Voltage drives from the x.9 revision.  The Powerflex 753 series provide a robust line of AC drives that are easy to use and install.  This specific part is a main control board that is meant to be used with the Allen-Bradley devices in the PowerFlex 753 series.  This control board is installed inside the frequency module and connected to other components. It fits all the frame sizes from the series and it can operate in voltage classes C, D, E, and F.  Power ratings:        200...240V: 0.37…132 kW / 0.5…200 Hp / 2.2…477 A        380…480V: 0.75…250 kW / 1.0…400 Hp / 2.1…477 A        600V: 1.0…300 Hp / 1.7…289 A        690V: 7.5…250 kW / 12…263 A      Rockss Automation Long-term supply of the industrial electrical spare parts.Among them are 753,755 and other series drivers and related accessories.