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Allen-Bradley 20F11RC8P7JA0NNNNN — PowerFlex 753 AC Drive Detailed Product Introduction, Specifications, Applications, Advantages and Related Models

The Allen-Bradley 20F11RC8P7JA0NNNNN is a PowerFlex 753 AC Drive designed for industrial three-phase motor-speed control.

This model is a 400 VAC, 3-phase, 8.7 A Frame 1 AC drive, with a 4.0 kW Normal-Duty rating and a 2.2 kW Heavy-Duty rating. It features embedded I/O, forced-air cooling, IP20/NEMA/UL Open Type construction, EMC filtering, a CM capacitor jumper installed, a dynamic-braking transistor, AC input with DC terminals, and a blank/no-HIM configuration.

The model is particularly suitable for industrial machinery where controlled motor speed, acceleration, deceleration, machine integration and reliable cabinet installation are important.

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1. Basic Product Identification

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2. Brand and Product Series

The PowerFlex 753 is an industrial variable-frequency-drive platform intended for machine builders, system integrators and industrial automation applications.

It is designed for applications where the motor needs controlled speed rather than simply being switched on and off.

The platform combines variable-frequency motor control with integrated I/O and additional drive-system capabilities, making it suitable for a broad range of industrial machines.

The 20F11RC8P7JA0NNNNN represents one of the 400 VAC Frame 1 configurations within the PowerFlex 753 family.

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3. Product Model Number Breakdown

The catalog number contains a considerable amount of configuration information.

The complete catalog number should be retained when specifying, purchasing or replacing the drive.

It is not recommended to identify the unit simply as a “4 kW PowerFlex 753,” because several PowerFlex 753 configurations can have similar power ratings while differing in electrical or installation characteristics.

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4. Main Electrical Specifications

The 8.7 A Normal-Duty current rating is one of the key specifications for this model.

For Heavy-Duty applications, the continuous output-current rating is approximately 5.0 A, corresponding to the 2.2 kW Heavy-Duty class.

When selecting a drive for a specific motor, the motor nameplate current and actual load duty should be considered rather than relying on motor horsepower alone.

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5. Normal-Duty Rating

The drive provides a 4.0 kW Normal-Duty rating.

Normal-Duty operation is commonly associated with applications where the motor load has a relatively moderate torque requirement and does not continuously operate under severe overload conditions.

Typical examples include:

• Conveyors
• Centrifugal pumps
• Fans
• Blowers
• Rollers
• General material handling
• Packaging equipment
• Product-transfer systems
• General-purpose machinery

The 4.0 kW rating makes the drive suitable for a useful range of medium-sized industrial machine functions.

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6. Heavy-Duty Rating

The Heavy-Duty rating is 2.2 kW, with a Heavy-Duty continuous output-current rating of approximately 5.0 A.

Heavy-Duty operation should be considered when the application places greater demands on the motor and drive.

Examples include:

• High starting torque
• High mechanical inertia
• Frequent acceleration
• Frequent deceleration
• Repeated reversing
• Shock loading
• High continuous torque
• Difficult low-speed operation

The Normal-Duty and Heavy-Duty ratings should therefore be selected according to the actual machine operating conditions.

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7. 400 VAC Three-Phase Configuration

The 20F11RC8P7JA0NNNNN is designed for the 400 VAC class.

Its nominal voltage is approximately 415 VAC, while the associated supply class covers the common 380–480 VAC three-phase industrial range.

This makes the drive suitable for many industrial electrical systems used in manufacturing plants, processing facilities, machine-building applications and material-handling systems.

The actual incoming supply should always be checked before installation.

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8. Frame 1 Construction

The drive uses a Frame 1 mechanical configuration.

This is an important advantage when cabinet space is limited.

The approximate dimensions are:

Height: 400.5 mm

Width: 110 mm

Depth: 211 mm

The approximate weight is:

6.0 kg

The relatively narrow body allows the drive to be integrated into industrial control cabinets without requiring a particularly wide mounting area.

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9. Dimensions and Weight

The 6.0 kg figure is the approximate drive weight.

The complete installed system will weigh more because it can also include mounting hardware, cables, terminal accessories, communication modules, braking components and other equipment.

The cabinet should also provide adequate clearance around the drive for ventilation, wiring and maintenance.

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10. IP20 / NEMA/UL Open Type Construction

The drive uses an IP20 / NEMA/UL Open Type construction.

This means it is normally installed inside a suitable electrical cabinet or protective enclosure.

The drive should not be treated as a weatherproof standalone outdoor unit.

The installation enclosure should provide suitable protection from:

• Water
• Excessive moisture
• Conductive dust
• Metal particles
• Oil contamination
• Chemical contamination
• Physical impact

The actual cabinet design should be selected according to the environmental conditions of the installation.

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11. Forced-Air Cooling

The PowerFlex 753 uses forced-air cooling.

The power semiconductor components generate heat during operation.

The cooling system moves air through the drive and transfers heat away from the internal power electronics.

For this reason, cabinet ventilation is an important part of the installation.

Particular attention should be given to:

• Ambient temperature
• Cabinet temperature
• Air circulation
• Cooling-fan condition
• Dust accumulation
• Drive loading
• Cabinet ventilation
• Clearance around ventilation openings

Even a correctly selected drive can experience reduced service life if installed in an excessively hot cabinet.

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12. EMC Filtering

The 20F11RC8P7JA0NNNNN uses a filtered EMC configuration.

EMC means electromagnetic compatibility.

Variable-frequency drives use high-speed semiconductor switching to generate the controlled motor output.

This switching process can generate high-frequency electrical noise.

Proper installation therefore requires attention to:

• Grounding
• Motor-cable routing
• Shielding
• Cable separation
• Cabinet bonding
• Control wiring
• Power wiring

The integrated filtered configuration can help the drive fit into industrial systems where electromagnetic compatibility is an important design consideration.

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13. CM Jumper Installed

A key feature of this exact model is:

CM Jumper Installed

This is represented by the JA configuration in the catalog number.

The corresponding AA configuration has the CM jumper removed.

This distinction is important when replacing an existing drive.

The JA and AA versions are very similar in terms of power rating and mechanical construction, but their common-mode capacitor configuration is different.

The correct configuration should therefore be maintained when specifying a replacement.

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14. Dynamic Braking

The model includes an integrated DB transistor.

Dynamic braking can be useful when a motor needs to slow down quickly.

When a motor decelerates, mechanical energy can flow back toward the drive’s DC bus.

This can cause the DC-bus voltage to rise.

A suitable external braking resistor can dissipate this excess energy through the drive’s dynamic-braking transistor.

This arrangement can be particularly useful for:

• High-inertia conveyors
• Rollers
• Feeders
• Packaging equipment
• Material-handling systems
• Rapid-stop applications
• Frequent acceleration/deceleration machinery

The braking resistor must be selected according to the actual braking energy and duty cycle.

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15. Embedded I/O

The PowerFlex 753 includes embedded I/O.

This is one of the useful features of the platform for machine integration.

Basic machine signals can be connected directly to the drive rather than requiring every signal to pass through separate external interface hardware.

Typical control functions can include:

• Start
• Stop
• Enable
• Forward
• Reverse
• Fault reset
• Speed reference
• Run status
• Fault status
• Analog reference
• Analog feedback
• Machine interlock signals

This can help reduce wiring complexity.

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16. Blank / No HIM

The exact model is configured as:

Blank / No HIM

HIM means Human Interface Module.

Therefore, a local operator keypad is not included in this catalog configuration.

This is often useful for machines where the operator interacts with a central HMI.

A typical machine architecture could be:

Operator HMI

↓

PLC / Controller

↓

PowerFlex 753

↓

AC Motor

This arrangement keeps the operator interface centralized.

It can also reduce the need for individual local keypads on multiple drives.

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17. AC Input With Precharge

The drive uses an AC input with precharge configuration.

The precharge function manages the initial charging of the drive’s DC bus.

The drive also provides DC terminals, which are useful when the DC bus needs to be considered as part of the overall drive system.

This is particularly relevant in applications involving:

• Dynamic braking
• DC-bus management
• Multiple drive architectures
• Advanced drive-system configurations

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18. Product Introduction

The 20F11RC8P7JA0NNNNN is essentially an industrial electronic motor controller that allows a standard three-phase AC motor to operate at controlled speeds.

A conventional fixed-frequency motor system may provide only a limited number of operating conditions.

A variable-frequency drive provides much more flexibility.

For example, a machine can operate at:

25% Speed

↓

50% Speed

↓

75% Speed

↓

100% Speed

according to the requirements of the production process.

The drive can also control acceleration and deceleration rather than simply switching the motor directly between stopped and full-speed conditions.

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19. How the Drive Works in a Machine

A typical application can be represented as:

Three-Phase Industrial AC Supply

↓

PowerFlex 753 Drive

↓

Variable-Frequency Three-Phase Output

↓

AC Motor

↓

Mechanical Load

The controller provides operating commands to the drive.

The drive then generates the appropriate electrical output for the motor.

This allows the machine to control:

• Speed
• Acceleration
• Deceleration
• Direction
• Operating frequency
• Motor response
• Stopping behavior

The exact control method depends on the application and motor configuration.

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20. Main Product Advantages

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21. Conveyor Applications

The 20F11RC8P7JA0NNNNN is well suited to conveyor applications.

Conveyors frequently need different speeds depending on the production process.

For example:

• Low speed during setup
• Medium speed during normal production
• Higher speed during high-throughput operation

The drive allows the conveyor motor to operate at adjustable speed without requiring mechanical speed changes.

Controlled acceleration can also reduce stress on:

• Belts
• Chains
• Gearboxes
• Couplings
• Shafts
• Bearings

For conveyors with substantial inertia, dynamic braking can provide additional stopping capability when properly engineered.

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22. Packaging Machinery

Packaging machines often require repeatable speed control.

The drive can be used for:

• Product conveyors
• Feed rollers
• Transfer rollers
• Packaging lines
• Product positioning
• Material-feed systems
• Auxiliary machine mechanisms

Controlled speed can help maintain consistent product movement.

Controlled acceleration and deceleration can also reduce sudden mechanical movement.

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23. Feeder Applications

Feeders frequently need precise speed adjustment.

If a feeder runs too quickly, it may cause:

• Product accumulation
• Product collision
• Jamming
• Incorrect spacing
• Mechanical shock

If it runs too slowly, production capacity may decrease.

The drive provides an adjustable motor-speed solution that can be integrated with the machine controller.

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24. Pump Applications

The drive can be used with suitable three-phase pump motors.

Potential applications include:

• Process-water pumps
• Cooling pumps
• Circulation pumps
• Utility pumps
• Fluid-transfer systems

For suitable variable-torque pump applications, motor speed can be adjusted according to actual process demand.

This can provide improved process control and may reduce energy consumption compared with continuously operating a motor at full speed.

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25. Fan and Blower Applications

Fans and blowers are another common variable-speed application.

A machine may not require maximum airflow all the time.

The drive can provide:

Low Demand → Low Motor Speed

Medium Demand → Medium Motor Speed

High Demand → High Motor Speed

This provides more flexible airflow control.

In suitable fan and blower systems, reduced motor speed can also provide meaningful energy savings.

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26. Material-Handling Applications

Material-handling machines often require controlled acceleration and stopping.

Potential applications include:

• Transfer conveyors
• Sorting systems
• Product conveyors
• Rollers
• Feed mechanisms
• Material-transfer equipment
• Pallet-handling systems

The PowerFlex 753 platform provides a convenient combination of speed control, embedded I/O and dynamic-braking capability for this type of machinery.

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27. Roller Applications

Rollers are often used in:

• Packaging
• Material handling
• Production lines
• Paper handling
• Product transfer
• Machine feeding

The drive allows roller speed to be adjusted according to the process.

This can be especially useful when the production line must operate at different speeds.

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28. Machine-Builder Advantages

For an OEM machine builder, standardizing on the PowerFlex 753 family can provide significant practical benefits.

A manufacturer may build several machine versions with different motor sizes.

Instead of using completely different drive platforms, the machine builder can use different PowerFlex 753 ratings.

For example:

This can simplify:

• Electrical drawings
• Programming
• Commissioning
• Troubleshooting
• Spare-parts management
• Technician training
• Machine documentation

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29. Five Recommended Same-Series or Closely Related Models

The following models are particularly useful when selecting neighboring ratings within the PowerFlex 753 family.

These five models provide a useful progression around the subject model.

The 20F11RC5P0JA0NNNNN is a lower-capacity option for approximately 2.2 kW Normal-Duty applications.

The 20F11RC8P7AA0NNNNN is the closest configuration-related model because it has the same basic 8.7 A, 4.0 kW Frame 1 rating but uses the CM jumper removed configuration.

The 20F11RC011JA0NNNNN and 20F11RC015JA0NNNNN are useful when a higher motor-power rating is required.

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30. PowerFlex 753 Model Selection Table

This progression makes the PowerFlex 753 family particularly convenient for machine platforms where motor sizes vary from one machine version to another.

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31. Five Popular Same-Brand Models

The following models are useful related products from the same Allen-Bradley product portfolio.

These products cover different levels of industrial motor-control requirements.

The PowerFlex 525 models are attractive for compact machine applications.

The PowerFlex 40 models are useful for simpler variable-speed applications where a smaller and more straightforward drive platform is appropriate.

The PowerFlex 753 is more suitable when a machine requires broader industrial-drive functionality and a scalable architecture.

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32. PowerFlex 525 Compared with PowerFlex 753

For a simple compact machine, a PowerFlex 525 may be sufficient.

For a machine that benefits from the broader PowerFlex 753 architecture, the 753 is generally the more suitable platform.

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33. PowerFlex 40 Compared with PowerFlex 753

If the machine is simple and cost-sensitive, a PowerFlex 40 may be attractive.

If the machine requires more integration flexibility, braking capability and a broader drive platform, the PowerFlex 753 becomes more attractive.

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34. Typical Conveyor Configuration

A typical conveyor installation can be organized as follows:

Three-Phase 400 VAC Supply

↓

Circuit Protection

↓

20F11RC8P7JA0NNNNN

↓

Three-Phase AC Motor

↓

Gearbox

↓

Conveyor Belt

The PLC can provide the start/stop command and speed reference.

The drive controls the motor acceleration and operating speed.

If rapid stopping is required, the dynamic-braking transistor can be used with an appropriately selected external braking resistor.

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35. Typical Pump Configuration

For a pump system, the architecture can be:

Three-Phase AC Supply

↓

PowerFlex 753

↓

Pump Motor

↓

Pump

↓

Process System

The drive can adjust motor speed according to the required flow or pressure.

In a suitable variable-torque application, reducing motor speed can significantly reduce energy consumption.

The actual energy benefit depends on the pump, piping system, control strategy and operating schedule.

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36. Typical Fan Configuration

A fan system can use:

AC Supply

↓

20F11RC8P7JA0NNNNN

↓

Fan Motor

↓

Fan

↓

Air Handling System

The machine controller can adjust the speed reference according to:

• Airflow requirement
• Temperature
• Pressure
• Production demand
• Ventilation requirements

This provides much more flexibility than a fixed-speed motor arrangement.

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37. Typical Packaging Machine Configuration

A packaging machine may use the drive for:

• Product-feed motors
• Conveyor motors
• Rollers
• Transfer mechanisms
• Auxiliary motors
• Material handling

The drive can receive commands from the machine controller.

The controller can then coordinate motor speed with other machine functions.

This is especially useful when different production recipes require different machine speeds.

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38. Dynamic-Braking Application

Dynamic braking is particularly valuable when the machine has substantial rotating or moving mass.

Consider a conveyor with a heavy product load.

During normal operation, the motor provides mechanical power to the conveyor.

When a stop command is issued, the moving load continues to rotate or move because of inertia.

The drive must absorb or manage this energy.

The dynamic-braking system can provide a path for the excess electrical energy to be dissipated through an external braking resistor.

This can produce a faster and more controlled stopping response.

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39. Installation Considerations

The drive dimensions are approximately:

400.5 mm × 110 mm × 211 mm

and the approximate drive weight is:

6.0 kg

The cabinet should therefore be designed with sufficient space for the drive plus:

• Power cables
• Motor cables
• Control wiring
• Grounding conductors
• Cable glands
• Ventilation
• Maintenance access
• Braking-resistor wiring
• Optional accessories

The actual installation space should be greater than the physical dimensions of the drive itself.

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40. Thermal Management

Thermal management is one of the most important considerations in a drive cabinet.

Heat is produced by:

• Power switching
• Motor current
• Semiconductor losses
• Internal electronics
• Braking activity

The forced-air cooling system helps remove this heat.

The cabinet designer should therefore avoid installing the drive directly beside other high-heat devices without considering thermal conditions.

Examples of nearby heat-producing equipment include:

• Large drives
• Power supplies
• Transformers
• Contactors
• Braking resistors
• High-current power electronics

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41. EMC and Wiring Recommendations

A good installation should keep power and control wiring properly organized.

Typical considerations include:

• Separate power and signal wiring
• Proper motor-cable routing
• Appropriate grounding
• Proper cable shielding where required
• Good cabinet bonding
• Avoiding unnecessary parallel routing of sensitive signals beside motor cables
• Correct termination of grounding conductors

The goal is to reduce unwanted electrical interference and improve overall system reliability.

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42. Maintenance Recommendations

Regular maintenance should include inspection of:

Preventive maintenance can help identify problems before they become production failures.

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43. Spare-Parts Standardization

When using the PowerFlex 753 family, it is beneficial to record the complete catalog number.

For example:

20F11RC8P7JA0NNNNN

should not simply be recorded as:

“PowerFlex 753 4 kW.”

The exact catalog number identifies important characteristics.

In particular, the JA configuration indicates the CM jumper installed.

This matters when selecting a replacement unit.

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44. JA Versus AA Configuration

The closest configuration comparison is:

The basic motor-power capability is therefore essentially the same.

The significant catalog-number distinction is the CM jumper configuration.

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45. Why the 8.7 A Rating Matters

The 8.7 A rating places this model above the 5.0 A PowerFlex 753 model.

The approximate progression is:

5.0 A → 8.7 A → 11.5 A → 15.4 A

This makes the 20F11RC8P7JA0NNNNN a useful middle-range Frame 1 drive.

It can therefore be suitable when a 2.2 kW drive is too small but a 5.5 kW drive would provide more capacity than necessary.

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46. Product Advantages for OEM Machine Builders

For OEM equipment, the drive offers several practical benefits.

Compact Frame 1 Design

The 110 mm width is useful in control cabinets where panel space is limited.

Standardized Drive Family

Different machine sizes can use different PowerFlex 753 ratings without changing the overall drive platform.

Embedded I/O

Basic machine signals can be connected without requiring extensive additional interface hardware.

Dynamic Braking

The DB transistor provides flexibility for applications that require controlled or rapid stopping.

No HIM Configuration

The blank-HIM version is suitable for centralized HMI/PLC-controlled machines.

EMC Filtering

The filtered configuration can be useful in industrial electrical environments where EMC considerations are important.

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47. Product Advantages for System Integrators

For system integrators, standardization is a major advantage.

A project can use multiple PowerFlex 753 models while maintaining a consistent drive architecture.

This can simplify:

• Control-system design
• Panel design
• PLC programming
• HMI integration
• Commissioning
• Troubleshooting
• Spare-parts management

It can also reduce the amount of different drive hardware that technicians need to learn.

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48. Product Advantages for Maintenance Teams

The PowerFlex 753 platform can simplify maintenance when multiple machines use the same drive family.

Technicians can become familiar with:

• Drive setup
• Motor parameters
• I/O
• Fault handling
• Cooling requirements
• Braking
• Cabinet installation
• Communication architecture

This can reduce troubleshooting time.

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49. Product Advantages for Production Lines

On production lines, variable-speed control can improve flexibility.

A production line may need different operating speeds for:

• Product changes
• Different product sizes
• Different production recipes
• Setup
• Cleaning
• Maintenance
• Normal operation
• Reduced-speed inspection

The drive allows the motor speed to be changed electronically rather than through mechanical transmission changes.

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50. Complete Mechanical Specification

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51. Complete Functional Specification

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52. Recommended Model Selection by Motor Size

This table is useful for preliminary selection.

Final drive selection should always be checked against motor nameplate current, duty type, overload requirement, acceleration/deceleration requirements and the actual mechanical load.

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53. Five Same-Series Recommendations at a Glance

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54. Five Same-Brand Recommendations at a Glance

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55. Final Technical Summary

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56. Overall Product Evaluation

The Allen-Bradley 20F11RC8P7JA0NNNNN is a well-balanced PowerFlex 753 Frame 1 AC drive for industrial applications requiring approximately 4.0 kW Normal-Duty motor control.

Its 8.7 A Normal-Duty output current and 5.0 A Heavy-Duty current make it a useful choice for applications that are beyond the smaller 2.2 kW-class drives but do not require the larger physical capacity of higher-rated units.

The compact Frame 1 construction is another important advantage.

With approximate dimensions of 400.5 × 110 × 211 mm and an approximate weight of 6.0 kg, the drive can be integrated into many industrial control cabinets without requiring excessive panel width.

The built-in embedded I/O makes it convenient for machine integration.

The dynamic-braking transistor provides additional flexibility for machinery that needs controlled or relatively rapid deceleration.

The filtered EMC configuration is useful in industrial environments where electromagnetic compatibility must be considered as part of the overall electrical design.

The CM jumper installed configuration is a particularly important characteristic of this exact catalog number.

This means that the 20F11RC8P7JA0NNNNN should not automatically be considered identical to the otherwise very similar 20F11RC8P7AA0NNNNN.

For replacement applications, the complete catalog number and CM configuration should be checked carefully.

From an application perspective, this model is particularly suitable for conveyors, feeders, packaging machinery, pumps, fans, blowers, rollers, material-handling equipment and general industrial machines.

From an OEM perspective, its position within the PowerFlex 753 family is also valuable because the same product family can cover several motor-power levels.

The overall combination of 400 VAC three-phase operation, 8.7 A Normal-Duty output, 5.0 A Heavy-Duty output, 4.0 kW Normal-Duty capacity, 2.2 kW Heavy-Duty capacity, Frame 1 construction, embedded I/O, dynamic braking, EMC filtering, forced-air cooling and approximately 6.0 kg weight makes the 20F11RC8P7JA0NNNNN a versatile industrial variable-frequency drive for medium-sized motor-control applications.