Allen Bradley 20BD077A0NNNACD1 PowerFlex 700 AC Drive 77 A 60 Hp 20B

The 20BD077A0NNNACD1 from Allen Bradley is a 60 Horsepower AC drive. It is part of the PowerFlex 700 product line from Allen Bradley. The nominal input voltage for the 20BD077A0NNNACD1 is 480 Volts AC (three-phase) and the corresponding nominal motor voltage is 460 Volts AC. The operating and full-power voltage ranges are 342 to 528 and 460 to 528 Volts AC respectively. The drive output ratings are 60 Horsepower (normal duty mode), 50 Horsepower (heavy duty mode), and 77 Amps. The external power dissipation when operating the 20BD077A0NNNACD1 drive is around 722 Watts. This module also has an internal power dissipation, which remains around 207 Watts. A 190 CFM heat sink fan that produces 59 dB of sound is provided on the drive to aid in maintaining an ambient temperature within the recommended range of 32 to 122 degrees Fahrenheit. Allen Bradley recommends a 101.6-millimeter vertical spacing to aid in airflow around the drive.

The communication slot provided on the 20BD077A0NNNACD1 is a ControlNet communication slot. The drive supports a vector control method for motor control. Feedback is provided through an onboard encoder. An integrated Human-Machine Interface is not available. Optional Human Machine Interface modules can be ordered from Allen Bradley as per individual requirement. I/Os on the 20BD077A0NNNACD1 are compatible with 24 Volts DC. Additional features include a CE filter and a CM choke. The user manual is not part of the drive package and neither is a brake IGBT or a drive mounted brake resistor. The frame type of the 20BD077A0NNNACD1 is 4 within a conformally coated drive enclosure that is IP20 rated (NEMA type 1).