Introduction

The Allen-Bradley 20G11NE011JA0NNNNN PowerFlex 755 AC Drive is an air-cooled variable-frequency drive designed for industrial motor-control systems. With an 11 A output rating, 600 VAC three-phase input class, and embedded EtherNet/IP communication, it provides a practical solution for machinery requiring adjustable speed and integration with modern automation networks.

This Frame 3 configuration supports 10 HP normal-duty and 7.5 HP heavy-duty applications. It features AC input with DC terminals, an integrated dynamic braking transistor, and built-in EMC filtering. The common-mode capacitor jumper is installed, and the drive is supplied without a Human Interface Module (HIM).

The PowerFlex 755 series is widely suited to applications such as material handling, pumping, ventilation, and industrial processing. Its communication capabilities allow system integrators to incorporate motor operation into PLC-based control architectures, while its configurable functions support different machine operating requirements.

For equipment replacement and maintenance projects, checking the complete catalog number is essential. Input voltage class, output current, filtering configuration, braking requirements, and communication settings should all be considered before commissioning.

Technical Specifications

Parameter	Specification
Brand	Allen-Bradley
Model	20G11NE011JA0NNNNN
Product Series	PowerFlex 755
Product Type	AC Drive / Variable Frequency Drive
Input Voltage Class	600 VAC
Input Phase	3-Phase
Output Current	11 A
Normal-Duty Motor Rating	10 HP
Heavy-Duty Motor Rating	7.5 HP
Frame Size	Frame 3
Cooling Method	Forced Air
Communication	Embedded EtherNet/IP
Input Configuration	AC Input with DC Terminals
Enclosure	IP20/IP00, NEMA/UL Open Type
Dynamic Braking	Integrated DB Transistor
EMC Filtering	Filtered
Common-Mode Capacitor Jumper	Installed
HIM Configuration	Blank (No HIM)
Protection	Standard Protection
Dimensions	454 × 212 × 190 mm
Weight	11 kg / 24.25 lb

Recommended Related Models

Model	Product Description
20G11NE017JA0NNNNN	PowerFlex 755 AC Drive, 17 A
20G11NE022JA0NNNNN	PowerFlex 755 AC Drive, 22 A
20G11NE027JA0NNNNN	PowerFlex 755 AC Drive, 27 A
20G11NE032JA0NNNNN	PowerFlex 755 AC Drive, 32 A

Popular Related Models

Model	Product Description
20G11NE011JA0NNNNN	PowerFlex 755 AC Drive, 11 A
20G11NE017JA0NNNNN	PowerFlex 755 AC Drive, 17 A
20G11NE022JA0NNNNN	PowerFlex 755 AC Drive, 22 A
20G11NE027JA0NNNNN	PowerFlex 755 AC Drive, 27 A

Applications

The Allen-Bradley 20G11NE011JA0NNNNN PowerFlex 755 AC Drive is designed for industrial motor-speed control in applications requiring reliable operation, adjustable acceleration, and integration with automated control systems. Its embedded EtherNet/IP communication makes it suitable for PLC-based production environments.

Typical applications include:

Conveyor Systems: Provides adjustable motor speed for material transport, sorting, and packaging equipment.
Pumping Equipment: Regulates pump motor speed to support changing flow and pressure requirements.
Fans and Ventilation Systems: Controls motor operation in industrial ventilation and air-handling applications.
Processing Machinery: Supports speed control in mixers, feeders, and other production equipment.
Automated Manufacturing: Integrates motor control with PLCs and industrial communication networks.

Advantages

1. Embedded EtherNet/IP Connectivity

The integrated EtherNet/IP interface supports communication with compatible Allen-Bradley controllers and other industrial automation devices, simplifying network integration.

2. Flexible Motor-Duty Ratings

The drive supports 10 HP normal-duty and 7.5 HP heavy-duty motor applications. This allows engineers to select the appropriate operating mode according to load characteristics and overload requirements.

3. Integrated Dynamic Braking Transistor

The built-in braking transistor supports applications requiring controlled motor deceleration when paired with a correctly selected external braking resistor.

4. Built-In EMC Filtering

The filtered configuration helps manage electromagnetic interference in compatible installations. The common-mode capacitor jumper is installed in this version, providing a defined factory configuration for system integration.

5. Forced-Air Cooling

The air-cooled design uses forced airflow to dissipate heat generated during operation. Proper cabinet ventilation and maintenance of cooling components are important for long-term reliability.

6. Flexible System Integration

The PowerFlex 755 platform supports industrial motor-control applications requiring communication, configurable drive functions, and integration with broader automation systems.

Technical FAQs

Q1: What is the rated output current of the 20G11NE011JA0NNNNN?

This PowerFlex 755 model has an 11 A output-current rating. Its listed motor ratings are 10 HP for normal-duty operation and 7.5 HP for heavy-duty operation.

Q2: What input voltage is required?

The drive belongs to the 600 VAC three-phase voltage class. The incoming power supply must be checked against the equipment nameplate and installation documentation.

Q3: Does this model support EtherNet/IP communication?

Yes. Embedded EtherNet/IP allows the drive to exchange control commands, reference values, and operating information with compatible automation controllers.

Q4: What is the function of the integrated dynamic braking transistor?

The braking transistor controls the connection of an external braking resistor to help dissipate excess energy during motor deceleration. The resistor must be selected according to the drive specifications and application requirements.

Q5: Does the drive include an EMC filter?

Yes. This catalog configuration is filtered and has the common-mode capacitor jumper installed. The grounding arrangement and power-system compatibility should be checked before installation.

Q6: What is the difference between normal-duty and heavy-duty operation?

Normal-duty operation is intended for applications with less demanding overload requirements, while heavy-duty operation supports more demanding torque and overload conditions. The corresponding motor ratings for this model are 10 HP and 7.5 HP.

Q7: Can this 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 configuration, controller programming, and drive parameter settings are required.

Q8: Why might the drive experience an overvoltage fault during deceleration?

An overvoltage fault may occur when the motor regenerates energy faster than the drive can manage it. Possible corrective measures include reviewing the deceleration time and evaluating whether an appropriately rated braking resistor is required.

Q9: What should be inspected if the drive overheats?

Check cooling fan operation, cabinet ventilation, ambient temperature, airflow clearance, and accumulated dust on cooling surfaces. Also verify that the drive is not operating beyond its applicable load rating.

Q10: Is the 20G11NE011JA0NNNNN interchangeable with the earlier 20G11NE011AA0NNNNN?

Rockwell Automation identifies the JA0 version as the direct replacement for the earlier AA0 catalog number. Both have an 11 A rating and the same listed motor-duty ratings, but their filtering and common-mode capacitor configurations differ. Confirm the installation requirements before replacement.

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