This Allen-Bradley/Rockwell Automation 37 A VFD comes with a ND output rating of 18.5 kilowatt. It comes with a horsepower ND output rating of 25 HP. It has an enhanced option board included. This adjustable frequency drive has a D frame size, is powered with 400 VAC 3 phase, and is housed in a panel mount (IP20) enclosure. In addition, this Allen Bradley PowerFlex 70 comes with a blank cover instead of the keypad module.