Introduction

The Allen-Bradley 20G11NE032AA0NNNNN PowerFlex 755 AC Drive is an air-cooled variable-frequency drive developed for industrial motor-control applications requiring higher output capacity and reliable automation connectivity. With a 32 A normal-duty output rating, it provides adjustable speed control for three-phase motors used in production machinery, material handling, pumping, and ventilation systems.

This Frame 4 configuration is designed for 600 VAC three-phase applications. It supports motor ratings of 30 HP under normal-duty operation and 25 HP under heavy-duty operation. Its configuration includes AC input with precharge, an integrated dynamic braking transistor, and EMC filtering. The common-mode capacitor jumper is removed, which is an important consideration when planning electrical grounding and installation.

Embedded EtherNet/IP communication enables the drive to integrate with compatible Allen-Bradley PLCs and industrial automation networks. This supports communication between the drive and the wider control system, helping operators monitor equipment status and coordinate motor operation.

For equipment maintenance and replacement projects, users should verify the complete catalog number, electrical supply, motor-duty rating, braking requirements, and grounding arrangement. This AA0 catalog version has been discontinued, with 20G11NE032JA0NNNNN identified by Rockwell Automation as its direct replacement.

Technical Specifications

Parameter	Specification
Brand	Allen-Bradley
Model	20G11NE032AA0NNNNN
Product Series	PowerFlex 755
Product Type	AC Drive / Variable Frequency Drive
Input Voltage Class	600 VAC
DC Bus Voltage Class	810 V DC
Input Phase	3-Phase
Normal-Duty Output Current	32 A
Heavy-Duty Output Current	27 A
Normal-Duty Motor Rating	30 HP
Heavy-Duty Motor Rating	25 HP
Frame Size	Frame 4
Cooling Method	Forced Air
Communication	Embedded EtherNet/IP
Input Configuration	AC Input with Precharge
Enclosure	IP20/IP00, NEMA/UL Open Type
Dynamic Braking	Integrated DB Transistor
EMC Filtering	Filtered
Common-Mode Capacitor Jumper	Removed
HIM Configuration	Blank (No HIM)
Dimensions	474 × 222 × 212 mm
Weight	16 kg / 35.27 lb
Lifecycle Status	Discontinued
Direct Replacement	20G11NE032JA0NNNNN

Recommended Related Models

Model	Product Description
20G11NE027AA0NNNNN	PowerFlex 755 AC Drive, 27 A
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20G11NE052AA0NNNNN	PowerFlex 755 AC Drive, 52 A
20G11NE032JA0NNNNN	PowerFlex 755 AC Drive, Direct Replacement

Popular Related Models

Model	Product Description
20G11NE017AA0NNNNN	PowerFlex 755 AC Drive, 17 A
20G11NE022AA0NNNNN	PowerFlex 755 AC Drive, 22 A
20G11NE027AA0NNNNN	PowerFlex 755 AC Drive, 27 A
20G11NE032AA0NNNNN	PowerFlex 755 AC Drive, 32 A

Applications

The Allen-Bradley 20G11NE032AA0NNNNN PowerFlex 755 AC Drive is designed for industrial motor-control systems that require higher output capacity, adjustable speed, and integration with automated production networks. With a 32 A normal-duty output rating and embedded EtherNet/IP communication, it is suitable for demanding three-phase motor applications.

Typical applications include:

Heavy-Duty Conveying: Controls motors in material transport, manufacturing, and automated handling systems.
Industrial Pumping: Regulates pump speed to meet process flow and pressure requirements.
Large Ventilation Systems: Provides variable-speed control for industrial fans and air-handling equipment.
Processing Machinery: Supports motor operation in mixers, feeders, and production machinery.
Automated Production Lines: Integrates motor-control functions with PLC-based automation and industrial networks.

Advantages

1. High-Capacity Motor Control

With a 32 A normal-duty output rating and a 27 A heavy-duty rating, this drive supports a range of industrial motor applications. Its dual-duty ratings provide flexibility when selecting the appropriate operating mode.

2. Embedded EtherNet/IP Communication

The integrated EtherNet/IP interface supports communication with compatible Allen-Bradley controllers and other industrial network devices, facilitating drive monitoring and coordinated machine operation.

3. Integrated Dynamic Braking Transistor

The built-in braking transistor supports controlled motor deceleration when paired with a compatible external braking resistor. This is useful for applications involving frequent stopping or demanding deceleration cycles.

4. EMC Filtering Configuration

The drive incorporates an EMC filter to help manage electromagnetic interference in compatible installations. The common-mode capacitor jumper is removed in this configuration, so grounding and power-distribution requirements should be reviewed before installation.

5. Forced-Air Cooling

The air-cooled design uses forced airflow to dissipate operating heat. Maintaining sufficient cabinet ventilation and keeping cooling passages clear are important for reliable operation.

6. Flexible Automation Integration

The PowerFlex 755 platform offers configurable motor-control functions and communication capabilities, making it suitable for integration into industrial control architectures with different operating requirements.

Technical FAQs

Q1: What is the rated output current of the 20G11NE032AA0NNNNN?

The drive has a 32 A continuous output rating for normal-duty operation and a 27 A rating for heavy-duty operation. The appropriate rating depends on the motor's current requirements and application load.

Q2: What input voltage does this PowerFlex 755 model require?

This model belongs to the 600 VAC three-phase voltage class. The incoming supply should comply with the drive's nameplate and installation requirements.

Q3: What motor power ratings does this drive support?

The listed motor ratings are 30 HP for normal-duty operation and 25 HP for heavy-duty operation. Actual motor selection should consider load characteristics and overload requirements.

Q4: Does the 20G11NE032AA0NNNNN support EtherNet/IP communication?

Yes. Embedded EtherNet/IP allows the drive to exchange control commands, speed references, and operating information with compatible PLCs and other supported automation devices.

Q5: Does this model have a built-in dynamic braking transistor?

Yes. It includes an integrated dynamic braking transistor. An external braking resistor is required when dynamic braking is used. The resistor must be selected according to the drive's electrical and thermal requirements.

Q6: What is the function of the common-mode capacitor jumper?

The jumper affects the drive's common-mode electrical connection to ground. Its removed configuration should be considered when evaluating the installation's grounding method and power distribution system.

Q7: Can the drive be controlled by a ControlLogix or CompactLogix PLC?

Yes. Compatible ControlLogix and CompactLogix controllers can communicate with the drive through EtherNet/IP. Correct network addressing, controller programming, and drive parameter configuration are necessary.

Q8: What can cause an overcurrent fault during acceleration?

Possible causes include excessive mechanical load, an acceleration time that is too short, incorrect motor parameters, wiring problems, or an unsuitable current limit. Review the fault history and application conditions before restarting the drive.

Q9: How can overheating problems be reduced?

Inspect the cooling fan, cabinet ventilation, ambient temperature, airflow clearance, and accumulated dust. Also verify that the motor load remains within the applicable normal-duty or heavy-duty rating.

Q10: What is the direct replacement for the 20G11NE032AA0NNNNN?

Rockwell Automation identifies 20G11NE032JA0NNNNN as the direct replacement. Before substitution, compare the complete catalog configuration, particularly the common-mode capacitor jumper arrangement and grounding requirements.

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