Allen-Bradley 20G11TE460JN0NNNNN — Detailed Product Specifications, Introduction, Applications, Advantages and Related Models

The 20G11TE460JN0NNNNN is a high-power AC variable frequency drive in the Allen-Bradley PowerFlex 755 series. It is designed for large industrial motors and demanding applications where high output current, reliable speed control, flexible motor control and integration with industrial automation systems are required.

This model belongs to the 600 VAC class and provides a rated current of 460 A. Its nominal power capability reaches 500 HP for Light Duty, 500 HP for Normal Duty and 400 HP for Heavy Duty, making it suitable for large conveyors, pumps, fans, compressors, mills, crushers, mixers and other heavy industrial machinery.

The model uses an air-cooled, open-type high-power architecture, with embedded EtherNet/IP, AC input with DC terminals, filtering and an installed CM jumper configuration. It is supplied without a built-in HIM operator module, allowing the drive configuration to be adapted to a larger control cabinet or automation system.

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1. Basic Product Information

*Dimensions and weight should be treated as engineering reference values rather than universal installation dimensions. The final physical size and shipping weight can vary according to the selected power structure, cabinet arrangement, accessories, installation configuration and related components.

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2. Brand and Series

Brand: Allen-Bradley

The 20G11TE460JN0NNNNN belongs to the Allen-Bradley industrial automation product range and is intended for professional industrial motor-control applications.

Allen-Bradley drives are widely used where the drive is expected to work as part of a larger automation system rather than operate as an isolated motor controller.

This is particularly important for large industrial installations because the drive may need to exchange operating data with PLC systems, supervisory control systems, HMIs, distributed I/O and other automation equipment.

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Series: PowerFlex 755

The product belongs to the PowerFlex 755 series.

The PowerFlex 755 family is designed for medium- and high-power industrial motor applications. Compared with compact drive families, the 755 platform provides a much larger power range and greater flexibility for sophisticated motor-control applications.

The series is particularly appropriate for applications where the motor is large, the mechanical load is substantial, or the control system requires advanced communication and feedback functions.

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3. Model Number

20G11TE460JN0NNNNN

The model number contains information about the drive family, voltage class, current rating and configuration.

The most important part for system selection is the combination of 600 VAC + 460 A + PowerFlex 755 + high-power architecture.

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4. Main Electrical Parameters

The 20G11TE460JN0NNNNN is primarily intended for large three-phase industrial motors.

Its electrical capability can be summarized as follows.

The 460 A current rating is one of the most important characteristics of this drive. It places the unit firmly in the large industrial-drive category.

For motor selection, the actual motor nameplate current should always be compared with the drive’s applicable duty rating rather than selecting the drive solely from the motor horsepower.

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5. Duty Ratings

One of the advantages of this drive is that it provides different application ratings depending on the required load profile.

Light Duty

Light Duty is appropriate for applications where the motor does not continuously operate under extremely high torque demand.

Typical examples include large fans, centrifugal pumps and other loads where starting torque and overload requirements are relatively moderate.

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Normal Duty

Normal Duty is intended for general industrial applications where the motor experiences a normal combination of acceleration, continuous operation and occasional load variation.

The 20G11TE460JN0NNNNN reaches approximately 500 HP in Normal Duty, which makes it suitable for many large production machines.

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Heavy Duty

Heavy Duty applications require greater overload capability and more demanding torque performance.

For this model, the Heavy Duty rating is approximately 400 HP.

Applications such as conveyors, crushers, mills and heavily loaded mechanical equipment should normally be evaluated using the Heavy Duty rating rather than simply using the maximum horsepower value.

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6. Product Introduction

The 20G11TE460JN0NNNNN is a high-power variable frequency drive designed to control large three-phase AC motors.

Its main purpose is to regulate motor speed, torque and acceleration by controlling the electrical frequency and voltage supplied to the motor.

Instead of operating the motor directly at a fixed line frequency, the drive allows the motor to operate at different speeds according to the process requirements.

This makes it possible to coordinate motor speed with production requirements, material flow, pressure, temperature, mechanical load and other process variables.

For large motors, this type of control can provide substantial advantages over simple across-the-line starting.

The drive can gradually accelerate a large motor, control its operating speed and reduce mechanical stress on connected equipment.

Because this model is part of a high-power drive platform, it is particularly suited to installations where the motor is too large for compact drives.

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7. Operating Principle

The drive essentially performs three major functions.

1. AC Power Conversion

The incoming electrical power is processed by the drive’s power-conversion section.

The input electrical energy is converted into a controlled DC bus and then converted back into a variable-frequency AC output.

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2. Variable-Frequency Output

The drive controls the frequency of the output voltage supplied to the motor.

Changing the output frequency allows the motor speed to be adjusted.

For a conventional AC motor, motor speed is strongly related to electrical frequency.

Therefore, controlling frequency provides a practical method of controlling motor speed.

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3. Motor Control

The drive continuously regulates motor operation according to its programmed control parameters.

Depending on the application and motor configuration, the system can be designed for speed control, torque control, process control or coordinated motion-related applications.

This is particularly useful for large industrial machines where sudden acceleration or uncontrolled speed changes could cause significant mechanical stress.

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8. Main Product Functions

The 20G11TE460JN0NNNNN provides several important functions for large industrial systems.

Variable-Speed Control

The primary function is variable-speed control of large AC motors.

This allows the motor to operate at the speed required by the production process rather than continuously operating at full line speed.

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Controlled Acceleration

Large motors can draw significant current during direct starting.

Using a variable frequency drive allows acceleration to be controlled progressively.

This can reduce mechanical shock to shafts, couplings, gearboxes, belts and other components.

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Controlled Deceleration

The drive can also control motor deceleration.

This is useful when the machine must slow down smoothly rather than stopping abruptly.

The specific stopping method should be selected according to the mechanical system and whether regenerative or braking requirements exist.

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Process Speed Adjustment

The motor speed can be adjusted according to process requirements.

For example, conveyor speed can be matched to material flow, while pump speed can be adjusted according to pressure or flow requirements.

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Industrial Communication

The drive includes embedded EtherNet/IP capability.

This makes it suitable for integration into industrial control architectures where operating parameters, commands, status information and diagnostic information need to be exchanged with a controller.

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9. Product Applications

The 20G11TE460JN0NNNNN is best suited to large industrial machinery.

9.1 Large Conveyor Systems

Large conveyors can require hundreds of horsepower, particularly in mining, bulk material handling, ports and heavy manufacturing.

A high-power drive can control conveyor acceleration and running speed.

This can reduce mechanical shock and allow the conveyor to operate according to the required production rate.

For long conveyors, controlled acceleration can be particularly important because the mechanical system may have significant inertia.

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9.2 Pumps

Large industrial pumps are another important application.

The drive can regulate pump speed according to process requirements.

Instead of running a pump continuously at full speed and controlling flow through throttling, variable-speed operation can provide a more direct method of matching pump output to the process.

Typical applications include water systems, industrial cooling, process pumping and large circulation systems.

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9.3 Fans and Blowers

Large fans and blowers often benefit from variable-speed operation.

The drive can adjust motor speed according to ventilation, airflow or process requirements.

This can reduce unnecessary operation at maximum speed.

Industrial ventilation systems, furnace systems, process exhaust systems and large air-handling equipment are potential applications.

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9.4 Crushers

Crushers impose demanding mechanical loads.

They may experience substantial torque requirements during starting and changes in material loading.

The 20G11TE460JN0NNNNN can be considered for large crusher systems when the motor current, overload requirements and mechanical characteristics fall within the appropriate drive rating.

For these applications, Heavy Duty selection should receive particular attention.

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9.5 Mills

Large mills can require high continuous torque.

Applications include mineral processing, aggregate processing, cement-related machinery and other heavy industrial equipment.

The drive can provide controlled motor speed and acceleration, helping the machine operate according to the process requirement.

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9.6 Mixers

Large industrial mixers can require high starting torque and substantial continuous power.

A variable frequency drive can provide controlled acceleration and speed adjustment.

This is useful when different production recipes require different mixing speeds.

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9.7 Material Handling Machinery

Large material-handling equipment can use variable-speed drives for conveyors, elevators, feeders and related machinery.

The drive can help coordinate machine speed with the production process.

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9.8 Process Machinery

The PowerFlex 755 platform can also be used for large process machines where motor speed needs to be controlled according to production conditions.

Examples include large rotating machines, industrial processing equipment and large mechanical production systems.

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10. Major Product Advantages

10.1 High Power Capability

One of the biggest advantages is the 460 A current class and approximately 500 HP Normal Duty capability.

This makes the drive appropriate for large industrial motors that cannot be practically handled by small compact drives.

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10.2 High-Performance Industrial Control

The PowerFlex 755 platform is intended for sophisticated industrial motor-control applications.

It provides a more capable control platform than basic variable-frequency drives intended for simple standalone motors.

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10.3 Embedded EtherNet/IP

Embedded EtherNet/IP is a major advantage for automation integration.

The drive can be incorporated into an industrial network and exchange operating information with the control system.

This reduces the need to treat the drive as an isolated device.

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10.4 Air-Cooled Design

The forced-air cooling architecture provides a practical solution for large industrial drive installations.

Because high-power drives generate significant heat, thermal management is an important consideration.

The air-cooled structure allows heat to be removed through the drive cooling system and the surrounding cabinet ventilation arrangement.

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10.5 Flexible Application Range

The combination of Light Duty, Normal Duty and Heavy Duty ratings allows engineers to select the appropriate operating point according to the load.

This is particularly useful when different machinery has significantly different torque requirements.

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10.6 Large Motor Compatibility

The 460 A current class provides compatibility with large industrial motors.

This makes the drive suitable for applications such as large conveyors, pumps, fans, mills and crushers.

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10.7 Modular High-Power Architecture

The PowerFlex 755 high-power platform uses a modular architecture that is useful for large installations.

This can simplify engineering and maintenance compared with designing an entirely custom drive system.

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11. Mechanical Specifications

The physical size of a high-power drive is significantly larger than that of a compact industrial drive.

The dimensions and weight above should be treated as engineering reference values.

For a real cabinet design, transportation plan or foundation calculation, the final mechanical drawing and exact configuration should always be checked because high-power drive systems can have different dimensions depending on power structure, options, cabinet configuration and installation arrangement.

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12. Why Size and Weight Matter

For a 460 A high-power drive, mechanical planning is just as important as electrical selection.

A unit in the several-hundred-kilogram range cannot be treated like a small wall-mounted drive.

The installation must consider cabinet structure, floor loading, lifting access, transportation routes and service clearance.

The cabinet must also provide adequate ventilation for the heat generated during operation.

When replacing an existing drive, engineers should compare not only electrical ratings but also mounting dimensions, cable-entry locations, ventilation requirements and service access.

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13. Cooling and Thermal Management

The 20G11TE460JN0NNNNN uses forced-air cooling.

High-power semiconductor devices generate heat during operation, and effective heat removal is essential for reliable operation.

The installation environment should therefore provide sufficient airflow around the drive and adequate cabinet ventilation.

Air filters, cabinet fans, ventilation openings and heat-management systems should be considered according to the actual environment.

In dusty industrial areas, ventilation maintenance can be particularly important because accumulated dust can restrict airflow and reduce cooling performance.

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14. Industrial Communication

The drive includes embedded EtherNet/IP.

This makes the drive suitable for integration with an industrial control network.

A typical architecture may include:

PLC → Industrial Ethernet Network → PowerFlex 755 → Motor

The controller can exchange information such as:

• Start and stop commands.
• Speed references.
• Operating status.
• Fault status.
• Alarm information.
• Current and voltage information.
• Drive speed.
• Process-related data.

This type of integration makes the drive more suitable for automated production systems.

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15. Typical Industrial Applications

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16. Five Recommended Models from the Same Series

The following models are closely related PowerFlex 755 600 VAC models and can be useful when comparing drive capacity.

These models form a useful progression around the 460 A model.

The 20G11TE435JN0NNNNN is useful when the required current is slightly below 460 A.

The 20G11TE395JN0NNNNN is suitable for a lower power requirement.

The 20G11TE510JN0NNNNN provides additional current capacity when the 460 A model is not sufficient.

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17. Same-Series Comparison

For applications around 500 HP, the 20G11TE460JN0NNNNN is particularly attractive because its Normal Duty rating reaches 500 HP.

If the application has a very demanding torque profile, the Heavy Duty rating should be used for sizing rather than relying on the Light Duty rating.

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18. Five Popular Models from the Same Brand

The following models represent different power levels and product families within the Allen-Bradley drive range.

The smaller PowerFlex models are intended for completely different applications from the 20G11TE460JN0NNNNN.

A compact PowerFlex 525, for example, may be appropriate for a small pump, conveyor or machine motor, while the 20G11TE460JN0NNNNN is intended for very large industrial motors.

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19. Compact Drives Compared with the 20G11TE460JN0NNNNN

The 20G11TE460JN0NNNNN should therefore not be selected simply because it belongs to the same general drive family as a compact drive.

The correct selection must be based on motor current, duty cycle, voltage, overload requirements, environmental conditions and mechanical load.

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20. Advantages for Large Industrial Systems

High Current Capacity

The 460 A rating allows the drive to handle very large motors.

This is particularly important in applications where the motor operates continuously at high load.

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Strong Application Flexibility

The three duty ratings provide flexibility when applying the drive to different machine types.

A fan application may have a very different load characteristic from a crusher, even if both motors have similar nominal horsepower.

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Industrial Network Integration

Embedded EtherNet/IP allows the drive to become part of a larger automated system.

This can simplify monitoring and control of large motors.

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Controlled Starting

Large motors can create considerable mechanical and electrical stress during starting.

Variable-frequency starting provides a controlled acceleration profile.

This can help protect mechanical equipment and reduce sudden torque transmission.

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Controlled Process Speed

Variable speed can be used to optimize production processes.

The motor does not necessarily need to run continuously at maximum speed.

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21. Energy and Process Advantages

Variable-speed operation can provide energy benefits in suitable applications.

This is especially important for centrifugal pumps and fans.

When process demand changes, the motor speed can be reduced instead of maintaining maximum motor speed and dissipating excess energy through mechanical or flow-control methods.

The actual energy savings depend heavily on the application and operating profile.

For constant-torque loads, the benefits are different from those associated with centrifugal loads.

Therefore, an energy-saving calculation should be based on the actual operating curve of the machine.

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22. Maintenance Considerations

High-power drives require a structured maintenance approach.

Cooling System

Fans and airflow paths should be inspected regularly.

Dust accumulation can reduce cooling efficiency.

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Electrical Connections

Power terminals and electrical connections should be inspected according to the maintenance schedule.

High-current connections require particular attention because loose or degraded connections can generate excessive heat.

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Cabinet Ventilation

The cabinet should maintain appropriate airflow.

Blocked filters or ventilation openings can increase internal temperature.

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Drive Diagnostics

Fault and alarm information should be monitored.

Using network communication can make it easier for the control system to identify abnormal drive conditions.

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Motor Condition

The drive is only one part of the motor system.

Motor insulation, bearings, mechanical coupling, load conditions and cable installation should also be considered during maintenance.

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23. Installation Environment

The installation environment has a major effect on drive reliability.

Important considerations include:

• Ambient temperature.
• Humidity.
• Dust.
• Corrosive gases.
• Vibration.
• Altitude.
• Cabinet ventilation.
• Motor cable length.
• Electrical grounding.
• Incoming power quality.
• Available short-circuit current.
• Maintenance access.

A high-power drive should be installed in an environment suitable for its specified operating conditions.

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24. Selection Considerations

Before selecting the 20G11TE460JN0NNNNN for a machine, several parameters should be checked.

Motor Voltage

The motor voltage must be compatible with the drive’s voltage class.

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Motor Current

Motor nameplate current is more important than horsepower alone.

A motor with unusual efficiency, power factor or duty characteristics may have a current requirement that differs significantly from a basic horsepower calculation.

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Duty Cycle

Determine whether the application is Light Duty, Normal Duty or Heavy Duty.

This is particularly important for crushers, mills and conveyors.

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Starting Torque

Applications with high starting torque should be evaluated carefully.

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Overload Requirement

The required overload current and duration should be compared with the applicable drive rating.

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Mechanical Inertia

Large rotating equipment may have substantial inertia.

Acceleration and deceleration requirements should therefore be considered during drive selection.

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25. Recommended Model by Application

The application table is intended as a preliminary comparison rather than a substitute for a complete motor-drive sizing calculation.

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26. Important Difference Between 460 A and 510 A Models

The 20G11TE460JN0NNNNN and 20G11TE510JN0NNNNN are very close in application range.

The major difference is current capacity.

If the motor current is comfortably within the 460 A drive rating, the 460 A model can be a logical selection.

If the application has a higher current requirement or more demanding Heavy Duty operation, the 510 A model deserves consideration.

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27. Important Difference Between 435 A and 460 A Models

The difference between these two models may look small numerically, but it can be significant when the motor operates close to the drive’s current limit.

The 460 A model is particularly attractive where the motor is around the upper end of the 450–500 HP range or where additional Normal Duty and Heavy Duty margin is required.

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28. Key Technical Advantages at a Glance

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29. Product Application Advantages

The 20G11TE460JN0NNNNN is particularly strong when the application has one or more of the following characteristics:

• Large motor horsepower.
• High motor current.
• Variable production speed.
• High mechanical inertia.
• Controlled acceleration requirements.
• Controlled deceleration requirements.
• Networked industrial control.
• Large conveyor systems.
• Large pumps and fans.
• Mining or material-handling machinery.
• Process machinery.
• High-power industrial production equipment.

For these applications, a high-power industrial drive can provide considerably more flexibility than a simple fixed-speed starter.

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30. Overall Technical Evaluation

The 20G11TE460JN0NNNNN can be considered a high-capacity industrial variable frequency drive intended for large three-phase motors.

Its strongest characteristics are its 600 VAC class, 460 A output capability, 500 HP Normal Duty rating, 400 HP Heavy Duty rating, forced-air cooling and embedded EtherNet/IP communication.

It is especially suitable when the motor is large and the application requires more than simple start/stop control.

The drive is also well suited to automated production environments where the motor needs to exchange information with a central control system.

Its large physical size and several-hundred-kilogram weight mean that installation engineering must be planned carefully.

Cabinet design, ventilation, lifting, cable routing, grounding and service access should all be considered before installation.

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31. Final Technical Specification Table

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32. Conclusion

The Allen-Bradley 20G11TE460JN0NNNNN is a high-power PowerFlex 755 variable frequency drive designed for demanding industrial motor-control applications.

With a 600 VAC, three-phase input class and 460 A current rating, it is intended for large motors and large-scale industrial machinery.

Its 500 HP Light Duty and 500 HP Normal Duty ratings, combined with a 400 HP Heavy Duty rating, give it a broad application range.

The drive is particularly suitable for large conveyors, pumps, fans, blowers, crushers, mills, mixers, material-handling equipment and process machinery.

Its embedded EtherNet/IP capability is another important advantage because it allows the drive to participate directly in an industrial automation network.

The forced-air cooling system and high-power architecture make it appropriate for large industrial installations, while the open construction allows it to be incorporated into an appropriately engineered control cabinet.

From the related models, the 20G11TE435JN0NNNNN is a good lower-current alternative, the 20G11TE395JN0NNNNN provides a further reduction in capacity, and the 20G11TE510JN0NNNNN is a logical higher-current alternative.

For a 500 HP-class industrial motor where Normal Duty capability and high current capacity are important, the 20G11TE460JN0NNNNN is a particularly strong choice within the PowerFlex 755 600 VAC family.

For actual engineering selection, the most important parameters to verify are motor nameplate current, motor voltage, duty cycle, overload requirement, starting torque, acceleration time, mechanical inertia, ambient temperature, cooling conditions and installation configuration.