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Allen-Bradley 20G1AJD710AN4NNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1AJD710AN4NNNNN is a high-power air-cooled AC drive belonging to the PowerFlex 755 family. It is designed for demanding variable-frequency motor control applications where high output current, flexible motor control, industrial enclosure protection, network integration, and reliable operation are required.

This catalog number represents a high-capacity PowerFlex 755 AC Packaged Drive configuration with a rated output current of approximately 710 A and a 480 VAC, three-phase input class. It is a large-frame industrial drive intended for high-power motors and substantial mechanical loads rather than small machine applications.

The unit uses an air-cooled architecture and is associated with Frame 8 construction and an IP54 / NEMA Type 12 enclosure arrangement. The 800 mm deep MCC-style construction makes it particularly suitable for centralized motor-control installations, electrical rooms, industrial control centers, and large equipment packages.

The model also incorporates an enhanced LCD full numeric HIM configuration, which provides a more complete local operator interface than a blank-HIM configuration. This is particularly useful during commissioning, maintenance, troubleshooting, parameter adjustment, and local diagnostic work.

The drive is equipped for embedded EtherNet/IP communication, allowing it to participate directly in industrial automation networks without requiring a separate external communication adapter for basic EtherNet/IP integration.

The specified configuration uses AC input with precharge and no DC terminals, incorporates filtering, has the CM jumper removed, and does not include an internal dynamic braking transistor in the stated configuration.

The model is therefore best regarded as a large industrial motor-control platform for applications where a combination of high horsepower, high current capacity, network connectivity, local operator access, and industrial enclosure protection is required.

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2. Brand and Series Information

Item	Description
Brand	Allen-Bradley
Product Family	PowerFlex
Series	PowerFlex 755
Product Type	AC Variable Frequency Drive
Product Category	PowerFlex 755 AC Packaged Drive
Cooling Method	Air Cooled
Frame	Frame 8
Primary Application	High-power motor speed and torque control
Communication	Embedded EtherNet/IP
Input Configuration	AC input with precharge
DC Terminals	Not provided in this configuration
Enclosure Style	IP54 / NEMA Type 12
Construction	800 mm Deep MCC Style
Local Interface	Enhanced LCD Full Numeric HIM
Dynamic Braking	No internal dynamic braking transistor
Filtering	Filtered configuration
CM Jumper	Removed
Product Configuration	High-current packaged AC drive

The combination of PowerFlex 755, Frame 8 construction, 710 A current capability, and 480 VAC three-phase operation places this model toward the high-power end of the PowerFlex 755 air-cooled drive range.

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3. Detailed Product Parameters

Parameter	20G1AJD710AN4NNNNN Specification
Catalog Number	20G1AJD710AN4NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	Air-Cooled AC Drive
Drive Style	PowerFlex 755 AC Packaged Drive
Input Voltage	480 VAC
Input Phase	3 Phase
Output Current	710 A
Light-Duty Rating	710 A continuous
Light-Duty Horsepower	650 HP
Normal-Duty Rating	617 A continuous
Normal-Duty Horsepower	600 HP
Heavy-Duty Rating	545 A continuous
Heavy-Duty Horsepower	450 HP
Light-Duty 1-Minute Current	Approx. 781 A
Normal-Duty 1-Minute Current	Approx. 679 A
Normal-Duty 3-Second Current	Approx. 926 A
Heavy-Duty 1-Minute Current	Approx. 818 A
Heavy-Duty 3-Second Current	Approx. 1065 A
Frame Size	Frame 8
Cooling	Air Cooled
Enclosure	NEMA Type 12
Ingress Protection	IP54
Mounting Style	800 mm Deep MCC Style
Input Type	AC Input with Precharge
DC Bus Terminals	No DC Terminals
EMC / Filtering	Filtered
Common-Mode Configuration	CM Jumper Removed
Dynamic Braking	No Internal Dynamic Braking Transistor
Communication	Embedded EtherNet/IP
Local Operator Interface	Enhanced LCD Full Numeric HIM
Application Class	Industrial High-Power Motor Control
Typical Motor Range	Up to approximately 650 HP LD / 600 HP ND / 450 HP HD
Dimensions	Approx. 2477 × 600 × 800 mm
Weight	Approx. 644 kg
Installation Environment	Industrial electrical/control equipment environment
Primary Control Function	Variable-frequency motor speed and torque control

The duty ratings are important when selecting this drive for a real application. The maximum horsepower rating is not a single universal value because the applicable motor rating depends on the operating duty. A motor with relatively stable load requirements may be evaluated under a light-duty or normal-duty selection, while applications requiring frequent acceleration, high starting torque, or significant overload capability should be evaluated using the appropriate heavy-duty rating.

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4. Understanding the Catalog Number

The catalog number 20G1AJD710AN4NNNNN contains configuration information that identifies the basic drive family and important options.

Catalog Number Section	Meaning
20G	PowerFlex 755 drive family
1	Product configuration identifier
A	Air-cooled configuration
J	Specific packaged-drive configuration
D	480 VAC class / applicable frame configuration
710	710 A current class
A	CM jumper removed configuration
N4	Enhanced LCD Full Numeric HIM configuration
NNNNN	Additional configuration positions / standard option coding

The 710 portion is especially important because it identifies the high-current class of the drive. The drive is intended for large industrial motors and systems where the current demand is substantially above the range of conventional compact variable-frequency drives.

The N4 configuration is also significant. Compared with an N0 blank-HIM configuration, the N4 arrangement provides an enhanced LCD full numeric human-machine interface, making local commissioning and maintenance considerably more convenient.

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5. Product Introduction

The PowerFlex 755 family is designed as a flexible industrial AC drive platform for applications requiring sophisticated motor control and integration with automation systems.

The 20G1AJD710AN4NNNNN represents a particularly large capacity within the air-cooled 755 range. Its 710 A current class makes it appropriate for high-power induction motors and other compatible motor-control applications where the drive must handle substantial continuous electrical loading.

One of the most important characteristics of this model is its ability to combine high-power electrical performance with a packaged industrial enclosure. Instead of treating the drive simply as a small electronic controller, this configuration is intended to form part of a larger industrial power-control installation.

The Frame 8 construction provides the physical platform required for the high current rating. The resulting equipment is considerably larger and heavier than low-power drives, so installation planning should account for cabinet space, lifting requirements, ventilation, cable routing, incoming power equipment, motor feeder arrangement, and maintenance clearance.

The IP54 / NEMA Type 12 enclosure arrangement is another major feature. It provides substantially more protection against industrial environmental conditions than an open chassis drive and makes the packaged drive appropriate for electrical rooms and industrial environments where dust and other contaminants may be present.

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6. High-Current 710 A Capability

The 710 A rating is the defining electrical characteristic of this model.

At this current level, the drive is intended for large motors and heavy industrial machinery. The actual motor horsepower that can be supported depends on duty class, motor characteristics, application requirements, ambient conditions, acceleration requirements, and other system factors.

The model provides three useful duty classifications:

• Light Duty: approximately 710 A continuous and up to 650 HP.
• Normal Duty: approximately 617 A continuous and up to 600 HP.
• Heavy Duty: approximately 545 A continuous and up to 450 HP.

This arrangement provides flexibility for different load profiles.

A relatively stable load with moderate overload requirements can make better use of the light-duty rating. A general-purpose industrial motor application may be evaluated against the normal-duty rating. A high-inertia or high-torque application with repeated acceleration and overload conditions should normally be evaluated against the heavy-duty capability.

The important engineering point is that a 710 A drive should not be selected only by matching the nominal motor horsepower. The motor’s actual full-load current and the application’s overload requirements should be checked against the appropriate duty rating.

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7. 480 VAC Three-Phase Architecture

The 20G1AJD710AN4NNNNN is intended for 480 VAC three-phase industrial power systems.

This voltage class is widely used for large industrial motors because three-phase 480 VAC distribution allows high motor power to be delivered with manageable current levels compared with lower-voltage systems.

The drive converts the incoming AC supply into a controlled motor output, allowing motor speed, acceleration, deceleration, torque production, and other operating characteristics to be managed electronically.

The AC input configuration includes precharge and does not provide external DC terminals in this configuration. This is an important distinction when planning system architecture because the drive should be treated as an AC-input packaged drive rather than as a configuration intended for direct DC-bus interconnection.

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8. Embedded EtherNet/IP Communication

Embedded EtherNet/IP is one of the most useful features for modern industrial installations.

The drive can be integrated into an Ethernet-based control architecture, allowing commands, status information, diagnostic information, reference values, and drive-related data to be exchanged with a programmable controller or other compatible automation equipment.

For a large motor system, this reduces the need to build a large number of conventional hardwired control circuits.

Typical network functions can include:

• Start and stop commands.
• Speed reference.
• Frequency reference.
• Run status.
• Fault status.
• Drive status.
• Motor current monitoring.
• Speed feedback.
• Diagnostic information.
• Alarm and fault information.
• Parameter access.
• Integration with a supervisory control system.

For multi-drive installations, network integration can also make system-level coordination much easier. A plant may have multiple large pumps, fans, conveyors, compressors, or process machines, and the drives can be incorporated into a common control architecture.

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9. Enhanced LCD Full Numeric HIM

The N4 configuration is an important feature of this particular model.

The enhanced LCD full numeric HIM provides a local operator interface for commissioning, operation, monitoring, and troubleshooting.

For a high-power Frame 8 drive, local access is especially valuable because the equipment is normally installed as part of a substantial industrial electrical system. During commissioning, engineers may need to verify motor data, acceleration and deceleration behavior, reference values, protective settings, control modes, communication parameters, and fault conditions.

A local HIM makes these tasks more practical without requiring every adjustment to be performed exclusively through the plant network.

Typical local functions include:

• Drive status monitoring.
• Parameter configuration.
• Fault identification.
• Alarm review.
• Local diagnostic work.
• Motor operating information.
• Reference adjustment.
• Commissioning support.
• Maintenance troubleshooting.

The enhanced display is therefore particularly useful in applications where service personnel need direct access to the drive.

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10. IP54 / NEMA Type 12 Industrial Enclosure

The IP54 / NEMA Type 12 configuration gives the packaged drive a more robust physical installation arrangement than an exposed drive chassis.

NEMA Type 12 equipment is generally intended for indoor industrial environments where protection from dust, dirt, and non-corrosive industrial contaminants is required.

The IP54 classification further indicates protection against dust ingress at a level suitable for industrial equipment and against water splashing from multiple directions.

This makes the drive appropriate for many indoor industrial environments, including:

• Manufacturing plants.
• Process facilities.
• Water-treatment facilities.
• Pump rooms.
• Mechanical equipment rooms.
• Industrial electrical rooms.
• Conveyor systems.
• Material-handling facilities.
• Cement and aggregate plants.
• Mining-related processing areas.

Environmental conditions must still be evaluated carefully. The enclosure rating does not mean that the drive can be installed without considering temperature, humidity, corrosive gases, altitude, ventilation, contamination levels, and required maintenance access.

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11. Air-Cooled Design

The drive uses an air-cooled architecture.

For a 710 A drive, thermal management is an important engineering consideration. High-power semiconductor devices and power-conversion components generate significant heat during operation, and the cooling system must remove that heat reliably.

Air cooling provides a practical solution for many large industrial installations while avoiding the complexity associated with liquid cooling systems.

The installation should provide adequate airflow and should not obstruct the drive’s ventilation path.

The electrical room or enclosure arrangement should also account for the heat generated by the drive during operation. For large installations, thermal calculations may be necessary to determine whether additional room ventilation or air-conditioning capacity is required.

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12. Filtering and CM Jumper Configuration

The 20G1AJD710AN4NNNNN configuration includes filtering and is specified with the CM jumper removed.

These details matter because drive systems generate high-frequency electrical components as a normal result of power switching. Depending on the motor cable length, grounding system, installation environment, and other equipment connected to the same power network, electrical noise and common-mode effects can become important design considerations.

The filtering arrangement helps support electromagnetic compatibility requirements.

The CM jumper configuration should not be treated as a cosmetic option. It is associated with how the drive interacts with the grounding and common-mode electrical environment.

For a high-power installation, grounding, bonding, motor cable construction, cable length, shield termination, and installation topology should all be considered together.

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13. Dynamic Braking Configuration

This model configuration does not include an internal dynamic braking transistor.

This distinction is important when evaluating applications that require rapid deceleration.

Applications such as high-inertia fans, conveyors, centrifuges, large machine tools, or lifting-related machinery may require controlled dissipation or regeneration of braking energy during deceleration.

Because this particular configuration does not include an internal dynamic braking transistor, the complete braking strategy should be evaluated at the system level if rapid stopping is required.

The correct braking arrangement depends on motor inertia, load inertia, stopping time, speed, regenerative energy, duty cycle, and safety requirements.

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14. Main Applications

14.1 Large Pump Systems

The 20G1AJD710AN4NNNNN is well suited to large centrifugal and process pump systems.

Variable-speed control can be used to match pump output to process demand rather than operating the motor continuously at full speed.

This can improve process control and can reduce unnecessary energy consumption in systems where flow requirements vary significantly.

Typical applications include:

• Water-transfer pumps.
• Wastewater pumps.
• Cooling-water pumps.
• Process pumps.
• Irrigation pumping.
• Industrial circulation systems.
• Large booster-pump systems.

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14.2 Large Fans and Blowers

Large fans and blowers are another strong application area.

Variable-frequency control allows airflow to be adjusted according to process requirements.

Potential applications include:

• Industrial ventilation.
• Furnace air systems.
• Dust-collection systems.
• Process exhaust.
• Cooling systems.
• Large combustion-air fans.
• Material-processing ventilation.

For fan applications, careful evaluation of acceleration time and fan inertia is important because large rotating assemblies can require considerable starting torque.

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14.3 Conveyors

The drive can also be used in large conveyor systems.

Conveyor applications often benefit from controlled acceleration and deceleration because sudden motor starts can cause mechanical shock, belt stress, product movement, and high peak current.

The drive can provide controlled motor acceleration and speed regulation, which is useful for:

• Mining conveyors.
• Aggregate conveyors.
• Cement conveyors.
• Bulk material handling.
• Warehouse transport systems.
• Heavy industrial production lines.

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14.4 Mining and Mineral Processing

Mining and mineral-processing machinery can require very high motor power.

Large crushers, conveyors, pumps, fans, mills, and processing equipment may require drives in the current range represented by the 20G1AJD710AN4NNNNN.

The industrial enclosure and high current capacity make this type of drive suitable for centralized electrical installations associated with heavy industrial equipment.

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14.5 Cement and Aggregate Equipment

Cement plants and aggregate-processing facilities contain many large motors.

Typical applications include:

• Large conveyors.
• Fans.
• Crushers.
• Material-handling systems.
• Grinding equipment.
• Dust-collection systems.
• Process pumps.

The ability to connect the drive to an industrial Ethernet control system can also simplify integration with plant-wide automation.

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14.6 Water and Wastewater Treatment

Large water and wastewater facilities often operate many pumps and blowers.

The drive can be used where motor speed needs to follow process demand.

Typical applications include:

• Raw-water pumping.
• High-lift pumping.
• Sludge handling.
• Aeration blowers.
• Process-water circulation.
• Wastewater transfer.
• Industrial water treatment.

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14.7 Process Manufacturing

The drive is also suitable for large process machines where motor speed must be coordinated with other equipment.

Examples include:

• Material-processing machines.
• Large mixers.
• Large fans.
• Process pumps.
• Production-line equipment.
• Material-handling systems.
• Auxiliary plant machinery.

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15. Major Product Advantages

15.1 High Power Capacity

The biggest advantage of the 20G1AJD710AN4NNNNN is its high-current capability.

A 710 A class drive can control motors far beyond the range of conventional compact variable-frequency drives.

This allows a single drive platform to address large industrial machinery without using multiple smaller drives simply to reach the required motor capacity.

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15.2 Flexible Duty Ratings

The drive supports different application duty classes.

The 650 HP light-duty rating, 600 HP normal-duty rating, and 450 HP heavy-duty rating provide engineers with flexibility when matching the drive to the actual mechanical load.

This is particularly useful because industrial loads do not all behave in the same way.

A continuously operating pump, a high-inertia fan, and a conveyor with frequent acceleration can have very different electrical requirements even if their nominal motor horsepower appears similar.

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15.3 Embedded EtherNet/IP

Embedded EtherNet/IP reduces the complexity of integrating the drive into an Ethernet-based automation system.

This is especially valuable in plants containing multiple drives.

Instead of treating every drive as an isolated motor controller, the drives can become part of a coordinated automation system.

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15.4 Local Enhanced HIM

The enhanced LCD full numeric HIM provides direct access to the drive.

For commissioning and maintenance personnel, this can significantly simplify:

• Parameter setup.
• Motor commissioning.
• Fault diagnosis.
• Local monitoring.
• Maintenance.
• Troubleshooting.

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15.5 Industrial Enclosure Protection

The IP54 / NEMA Type 12 configuration gives the packaged drive a robust industrial enclosure.

This reduces exposure of the drive’s internal components to common indoor industrial contaminants and provides a more practical packaged solution for electrical rooms and industrial control environments.

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15.6 Packaged Drive Construction

The packaged-drive format simplifies the transition from individual drive components to an installed industrial power-control assembly.

This is particularly valuable for large installations where the physical arrangement of the drive, power connections, ventilation, control interface, and enclosure must all be considered together.

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15.7 Large Frame Construction

Frame 8 construction provides the physical and thermal platform necessary for this current range.

The larger frame also gives engineers a more practical architecture for large motor applications compared with trying to force high-power applications into smaller drive frames.

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15.8 Broad Industrial Application Range

The drive can be applied across multiple industries rather than being limited to one specific machine type.

Its strongest application areas include:

• Water.
• Wastewater.
• Mining.
• Cement.
• Aggregate.
• Material handling.
• Manufacturing.
• Process industries.
• HVAC-related industrial equipment.
• Large pumping systems.

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16. Installation Considerations

Because the 20G1AJD710AN4NNNNN is a very large Frame 8 drive, installation planning is more important than it is for small and medium-size drives.

The approximate physical dimensions are 2477 × 600 × 800 mm, with an approximate weight of 644 kg.

The equipment should therefore be treated as substantial electrical machinery rather than as a compact panel component.

Before installation, engineers should evaluate:

• Floor loading.
• Cabinet positioning.
• Transportation route.
• Lifting equipment.
• Cable-entry arrangements.
• Motor cable routing.
• Input power connections.
• Grounding and bonding.
• Ventilation.
• Heat dissipation.
• Maintenance clearance.
• Door and access requirements.
• Environmental conditions.
• Network communication routing.

The approximate 644 kg mass also means that mechanical handling should be planned before the equipment reaches the installation area.

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17. Recommended Engineering Selection Approach

When selecting this drive for a new application, the following sequence is recommended.

First, determine the motor’s rated voltage and full-load current.

Second, identify whether the application is light duty, normal duty, or heavy duty.

Third, determine the required acceleration and deceleration performance.

Fourth, evaluate the motor’s starting torque requirement.

Fifth, evaluate whether the application requires regenerative or dynamic braking.

Sixth, confirm that the 480 VAC three-phase power system is compatible with the drive.

Seventh, evaluate enclosure and environmental requirements.

Eighth, determine the required network architecture and EtherNet/IP integration.

Ninth, evaluate the required local operator interface.

Finally, confirm physical dimensions, weight, installation access, cable routing, ventilation, and maintenance requirements.

This approach is more reliable than selecting the drive based solely on motor horsepower.

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18. Five Related PowerFlex 755 Models

The following models are closely related to the 20G1AJD710AN4NNNNN and are useful when comparing current ratings, horsepower capability, and configuration options.

Model	Series	Voltage	Current Class	LD HP	ND HP	HD HP	Frame	Enclosure / Style	HIM
20G1AJD485AN4NNNNN	PowerFlex 755	480 VAC 3PH	485 A	Approx. 450 HP	Approx. 400 HP	Approx. 300 HP	Frame 8	IP54 / NEMA 12, 800 mm Deep MCC Style	Enhanced LCD Full Numeric
20G1AJD545AN4NNNNN	PowerFlex 755	480 VAC 3PH	545 A	Approx. 500 HP	Approx. 450 HP	Approx. 350 HP	Frame 8	IP54 / NEMA 12, 800 mm Deep MCC Style	Enhanced LCD Full Numeric
20G1AJD617AN4NNNNN	PowerFlex 755	480 VAC 3PH	617 A	Approx. 600 HP	Approx. 500 HP	Approx. 400 HP	Frame 8	IP54 / NEMA 12, 800 mm Deep MCC Style	Enhanced LCD Full Numeric
20G1AJD710AN4NNNNN	PowerFlex 755	480 VAC 3PH	710 A	Approx. 650 HP	Approx. 600 HP	Approx. 450 HP	Frame 8	IP54 / NEMA 12, 800 mm Deep MCC Style	Enhanced LCD Full Numeric
20G1AJD740AN4NNNNN	PowerFlex 755	480 VAC 3PH	740 A class	Approx. 700 HP class	Approx. 650 HP class	Approx. 500 HP class	Frame 8	IP54 / NEMA 12, 800 mm Deep MCC Style	Enhanced LCD Full Numeric

These models form a useful comparison group because they maintain the same general PowerFlex 755 high-power architecture while providing different current capacities.

The 617 A, 710 A, and 740 A classes are particularly useful for comparing large-motor applications where the motor current is close to the upper end of a particular drive selection.

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19. Additional Related Configurations of the 710 A Class

The same 710 A PowerFlex 755 family also includes configuration variations that are useful when the application requirements change.

Model	Current Class	HIM Configuration	CM Jumper	General Configuration
20G1AJD710AN0NNNNN	710 A	Blank / No HIM	Removed	480 VAC, 3PH, Frame 8, IP54 / NEMA 12
20G1AJD710AN4NNNNN	710 A	Enhanced LCD Full Numeric HIM	Removed	480 VAC, 3PH, Frame 8, IP54 / NEMA 12
20G1AJD710JN0NNNNN	710 A	Blank / No HIM	Installed	480 VAC, 3PH, Frame 8, IP54 / NEMA 12
20G1AJD710JN4NNNNN	710 A	Enhanced LCD Full Numeric HIM	Installed	480 VAC, 3PH, Frame 8, IP54 / NEMA 12

This comparison shows why the catalog number should be checked carefully before ordering.

Two drives may have almost identical electrical capacity while differing in operator interface and common-mode configuration.

For replacement work, matching the complete catalog number is therefore much safer than selecting a replacement only by horsepower.

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20. Five Popular Allen-Bradley Models for Broader Comparison

The following five models are useful Allen-Bradley references when comparing the PowerFlex 755 with other commonly encountered industrial automation products.

Model	Product Family	Product Type	Typical Application	Main Function	General Capacity / Class
25B-D030N114	PowerFlex 525	AC Drive	Machine automation, conveyors, pumps, fans	Variable-frequency motor control	Approx. 30 A class
25C-D030N114	PowerFlex 523	AC Drive	Compact machine control	Variable-frequency motor control	Approx. 30 A class
20G1AGE053JA0NNNNN	PowerFlex 755	AC Drive	High-performance industrial machinery	High-power motor control	High-power 755 configuration
20G1AGC260JN0NNNNN	PowerFlex 755	AC Drive	Industrial motor applications	High-power AC motor control	High-current 755 configuration
20G1AND302JA0NNNNN	PowerFlex 755	AC Drive	Large industrial machinery	High-power variable-speed control	High-power 755 configuration

The 25B and 25C models are generally aimed at smaller and more compact machine applications, while the PowerFlex 755 models are intended for substantially more demanding industrial motor-control systems.

For a 710 A application, the PowerFlex 755 architecture is in a completely different power class from compact machine drives.

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21. 20G1AJD710AN4NNNNN vs. Smaller Drive Classes

A major reason to select the 20G1AJD710AN4NNNNN is the motor size involved.

Small machine drives are useful when motor power is relatively low and panel space is limited. However, once motor current rises into several hundred amperes, the application requires a fundamentally different electrical and mechanical architecture.

The 20G1AJD710AN4NNNNN provides:

• High continuous current capability.
• Large motor horsepower capability.
• Frame 8 construction.
• Industrial enclosure protection.
• Embedded EtherNet/IP.
• Local enhanced HIM.
• Packaged-drive construction.
• Flexible duty ratings.

These features make it suitable for large process and infrastructure equipment where a compact machine drive would not be appropriate.

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22. Maintenance Advantages

For maintenance teams, the enhanced HIM is particularly useful.

A high-power drive can represent a critical part of an industrial process. If the drive stops unexpectedly, maintenance personnel need to determine quickly whether the problem is associated with the motor, incoming power, control system, network, drive parameters, thermal condition, or another part of the installation.

Local access to drive information can reduce troubleshooting time.

Maintenance personnel can use the drive interface to review operational information and fault conditions and to assist with commissioning and service procedures.

EtherNet/IP connectivity also provides an additional route for collecting drive status and diagnostic information through the automation system.

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23. Benefits for System Integrators

For system integrators, the main attraction of this model is the combination of high-power electrical capability and automation integration.

A system can be designed around a common drive platform rather than using a completely different control concept for every motor.

The embedded network interface simplifies system-level integration.

The local HIM provides an additional commissioning interface.

The industrial enclosure simplifies the physical implementation.

The broad duty-rating structure allows the same general drive family to be considered for different mechanical load characteristics.

This combination can be particularly useful in large projects involving multiple pumps, fans, conveyors, and process motors.

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24. Benefits for Plant Operators

From an operator’s perspective, variable-frequency control provides more than simple motor starting and stopping.

The motor can operate at an appropriate speed for the process rather than being restricted to fixed-speed operation.

Depending on the application, this can provide:

• Better process control.
• Smoother acceleration.
• Smoother deceleration.
• Reduced mechanical shock.
• Improved coordination between machines.
• More flexible production operation.
• Easier integration with automatic control systems.
• Better access to motor and drive operating information.

For large motors, these benefits can become particularly significant because mechanical and electrical energy levels are much higher.

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25. Advantages Summary

Advantage	Engineering Value
710 A current class	Suitable for very large industrial motors
650 HP LD rating	Supports large motors under light-duty conditions
600 HP ND rating	Suitable for substantial general industrial loads
450 HP HD rating	Provides a heavy-duty operating class
480 VAC 3PH	Compatible with common industrial high-power distribution
Frame 8	Appropriate mechanical platform for high current
IP54 / NEMA Type 12	Better protection for industrial indoor environments
Air cooled	Practical thermal management for large industrial installations
Embedded EtherNet/IP	Direct integration with Ethernet-based automation
Enhanced LCD Full Numeric HIM	Convenient local commissioning and diagnostics
AC input with precharge	Integrated AC-input architecture
Filtered configuration	Supports electromagnetic compatibility considerations
CM jumper removed	Defined common-mode configuration
Packaged construction	Simplifies large-drive system implementation
Broad application range	Suitable for pumps, fans, conveyors and process machinery

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26. Recommended Application Matching

Application	Suitability	Main Reason
Large centrifugal pump	Excellent	High current and variable-speed control
Large process pump	Excellent	High horsepower and network integration
Large industrial fan	Excellent	High motor capacity and speed control
Large blower	Excellent	High-power continuous operation
Heavy conveyor	Excellent	Controlled acceleration and speed
Mining conveyor	Excellent	Large motor and rugged industrial installation
Cement equipment	Excellent	High-power process machinery
Water-treatment pump	Excellent	Variable-speed process control
Wastewater blower	Excellent	Large motor and networked control
Industrial process machine	Very Good	High-power motor control
Small machine	Poor fit	Excessive capacity for small motors
Portable equipment	Poor fit	Large Frame 8 packaged construction
Compact OEM machine	Generally unsuitable	Physical size and power class are excessive

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27. Overall Technical Assessment

The Allen-Bradley 20G1AJD710AN4NNNNN is a high-capacity PowerFlex 755 AC drive designed for large industrial motor-control applications.

Its defining characteristics are the 710 A current class, 480 VAC three-phase operation, Frame 8 construction, IP54 / NEMA Type 12 enclosure, 800 mm deep MCC-style arrangement, embedded EtherNet/IP, and enhanced LCD full numeric HIM.

The drive is particularly appropriate where a large motor must be controlled as part of an integrated industrial automation system.

Its three duty classes make it possible to evaluate the drive against different load profiles rather than relying on a single horsepower number.

The enhanced HIM is a practical advantage for commissioning and service work, while embedded EtherNet/IP supports integration with modern plant control systems.

The packaged enclosure and high-current architecture make the model well suited to large pumps, fans, blowers, conveyors, mining equipment, cement equipment, water-treatment systems, and other process machinery.

From a system-engineering perspective, the main strengths are not simply the high horsepower rating. The more important combination is high current capacity + flexible duty classification + industrial enclosure + local operator interface + embedded networking + large-frame construction.

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28. Final Specification Snapshot

Key Item	Specification
Model	20G1AJD710AN4NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product	PowerFlex Air-Cooled 755 AC Drive
Voltage	480 VAC
Phase	3 Phase
Current	710 A
Light Duty	650 HP
Normal Duty	600 HP
Heavy Duty	450 HP
Frame	Frame 8
Enclosure	NEMA Type 12
Protection	IP54
Construction	800 mm Deep MCC Style
Cooling	Air Cooled
Communication	Embedded EtherNet/IP
HIM	Enhanced LCD Full Numeric HIM
Input	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	No Internal Dynamic Braking Transistor
Approx. Dimensions	2477 × 600 × 800 mm
Approx. Weight	644 kg
Main Applications	Pumps, fans, blowers, conveyors, mining, cement, water/wastewater, process machinery
Product Position	High-power industrial AC drive

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29. Important Replacement Consideration

For procurement and maintenance purposes, this catalog number belongs to an older PowerFlex 755 configuration. The original catalog number has been discontinued, and a corresponding replacement configuration is associated with the 20G1AJD710JN4NNNNN catalog number.

However, a replacement should not be selected only by comparing the 710 A current rating.

Before replacing an installed unit, the complete catalog-number configuration should be checked, including:

• Voltage class.
• Current rating.
• Duty rating.
• Frame.
• Enclosure.
• HIM configuration.
• CM jumper configuration.
• Filtering.
• Dynamic-braking requirements.
• Communication requirements.
• Physical dimensions.
• Cable and installation arrangement.

This is particularly important for a Frame 8 drive because the physical installation, thermal arrangement, lifting requirements, and electrical connections can be substantially different from those of smaller drives.