20F11ND077JA0NNNNN | Allen-Bradley PowerFlex 753 AC Drive 480V 77A 60HP

Description 

This variable frequency drive built by AB comes with a rating of 60 Horsepower. This PowerFlex 750 (PF753) frequency drive additionally is a 77A unit. Furthermore, this unit has an IP20 or IP00 enclosure rating. It requires 480VAC/650V DC to operate and has conformal coating as part of the VFD. Also, it comes with a blank HIM cover in place of the interface module but an HIM module can be added such as a 20-HIM-A6.

Technical Specifications 

Information About 20F11ND077JA0NNNNN

The Allen-Bradley 20F11ND077JA0NNNNN is a PowerFlex 753 Adjustable Frequency AC drive. This device is a panel mounted hardware that is mainly utilized to control an AC motor. Specifically, this drive enables an efficient startup and shutdown of a motor by providing a custom profile; speed modulation to allow the motor to vary the rotation speed as well as conserve energy consumption by providing an adequate operational profile that the motor dynamically adopts during active duty. The 20F11ND077JA0NNNNN may be also termed as Variable Frequency Drive (VFD) and Variable Speed Drive (VSD).

The 20F11ND077JA0NNNNN is 460-480VAC, 3-Phase dual output, Frame 5 drive, with continuous current output of 77 Amperes, 84. 7 Amperes for 1 min and 116 Ampere output for 3 seconds with rated output power of 60 HP under normal duty operation. When operated under Heavy duty mode, the continuous output current is 65 Amperes, 97.5 Amperes for 1 min and 116 Amperes for 3 seconds and delivers output power of 50 HP.

The 20F11ND077JA0NNNNN has an enclosure rating of IP20/IP00, NEMA/UL Type Open. Appropriate enclosure that offers protection to environmental and mechanical hazards is required before operating this adjustable frequency AC drive. Specifically, the drive’s surrounding temperature must be maintained within 0-50 °C (32…122 °F). For spare drives, storage temperature requirement is 40…70 °C (-40…158 °F). Similarly, this drive has an operating vibration rating of 1.000 mm (0.040 in.) displacement, 1.5 g peak. To maintain the recommended operating temperature, an adequately sized fan may be used to promote airflow. The adequate air flow recommended is 883.49 m3 /h (520 CFM), specific for Frame 5 drive where the 20F11ND077JA0NNNNN belongs.

Note that the 20F11ND077JA0NNNNN, as with other controllers in the same series, does not provide for input power short circuit protection. When installing the 20F11ND077JA0NNNNN, power cables should be separated from signal cables and other cables used for sensitive data transmission. Generally, a 0.3-meter spacing should be allowed after the cables runs for 10 meters. Also, cables used to interface the 20F11ND077JA0NNNNN with the power source should have an insulation thickness exceeding 0.4 millimeters per 0.015 inches. The cables should also withstand a minimum temperature of 75 degrees Celsius.

For the Input-Output wiring, the 20F11ND077JA0NNNNN, as with other PowerFlex 750 controllers, supports the use of copper wires with a minimum insulation rating of 600 Volts. As a precaution, low voltage Input-Output circuits with an earth reference should have a common earth reference with other devices connected to the drive. Note that a wrong choice of cable or poor cabling of the control wiring can cause noise and drift to infiltrate sensitive circuits causing unpredictable motor direction or speed. The Rockwell Automation 20F11ND077JA0NNNNN has its Amperage rated at 77 Amps. To help interface more devices with the controller, it comes fitted with terminal blocks. The terminal blocks enable the connection of Input Outputs, digital input power, and contains relay terminals.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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