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Allen-Bradley 20F14NF023JN0NNNNN — Detailed Product Specifications, Product Introduction, Applications, Advantages and Recommended Models

1. Product Overview

The Allen-Bradley 20F14NF023JN0NNNNN is a PowerFlex 753 AC Drive designed for medium-power and high-voltage industrial motor-control applications.

It is a 690 VAC, three-phase, 23 A, Frame 6, air-cooled drive with an 18.5 kW Normal-Duty rating and a 15 kW Heavy-Duty rating.

The model is configured for DC input with precharge, making it particularly suitable for industrial systems using a common DC-bus architecture.

The catalog configuration also specifies a filtered input arrangement with the common-mode capacitor jumper installed, no internal dynamic-braking transistor, and a blank/no-HIM configuration.

With its 23 A current rating, this model sits above the 20 A version in the same 690 V PowerFlex 753 range and provides a useful step up for applications where additional motor current and power capacity are required.

It is well suited to conveyors, pumps, fans, blowers, mixers, compressors, material-handling systems, process machinery and other automated industrial equipment.

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2. Brand and Product Series

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3. Detailed Technical Parameters

The 23 A / 18.5 kW Normal-Duty rating is the main electrical characteristic of this model.

For Heavy-Duty operation, the continuous current rating is 20 A, with a 15 kW Heavy-Duty rating.

The short-term current ratings provide additional overload capability for acceleration and other transient operating conditions.

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4. Normal-Duty and Heavy-Duty Ratings

The difference between Normal Duty and Heavy Duty is especially important when selecting this drive for a particular machine.

Under Normal-Duty conditions, the drive is rated at 23 A continuous and 18.5 kW.

Under Heavy-Duty conditions, the drive is rated at 20 A continuous and 15 kW.

Normal Duty is generally suitable for applications where the load is relatively smooth and the motor does not experience severe overload conditions.

Heavy Duty is more appropriate when the machine has higher torque requirements, frequent acceleration, heavy starting loads or significant short-term overload demands.

The motor’s actual nameplate current remains more important than simply matching the motor’s kW rating.

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5. Voltage Specification

The 20F14NF023JN0NNNNN belongs to the 690 VAC three-phase class.

This voltage level is commonly associated with industrial motors and plant power-distribution systems.

Compared with lower-voltage motor systems, a higher motor voltage can allow the same approximate motor power to be transmitted at lower current.

This can provide practical benefits such as:

• Reduced conductor current
• Lower cable losses
• Reduced voltage drop
• More efficient power distribution
• Better suitability for industrial motor systems
• Practical operation of medium-power motors over longer cable distances

The actual motor and electrical system must, of course, be matched to the drive’s voltage requirements.

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6. 932 VDC Common-Bus Input

One of the most distinctive features of the 20F14NF023JN0NNNNN is its DC-input/common-bus architecture.

The nominal DC input associated with this configuration is approximately 932 VDC.

Instead of treating the drive as a conventional standalone AC-input inverter, this model can be incorporated into a shared DC-bus system.

That makes it particularly useful for machinery containing multiple drives.

A machine may have several motors operating at different speeds and loads.

A common DC-bus architecture can provide a centralized approach to supplying these drive sections.

This type of arrangement is often considered for:

• Multi-drive production machines
• Conveyors
• Material-handling systems
• Winding machines
• Unwinding systems
• Process lines
• Large automated equipment
• Coordinated motor systems

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7. DC Input with Precharge

The drive is configured with DC input and precharge.

Precharge is an important part of a high-voltage DC-bus system.

When the DC bus is initially energized, the drive’s internal capacitors must be charged in a controlled manner.

The precharge function helps limit the initial charging current.

This makes the power-up sequence more manageable and helps protect the electrical system from excessive inrush conditions.

When integrating this drive into a machine, the DC source, disconnecting arrangement, protection system and precharge architecture should all be considered together.

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8. Filtering and CM Jumper

The 20F14NF023JN0NNNNN is configured as Filtered, CM Jumper Installed.

This configuration is relevant to electromagnetic compatibility and high-frequency electrical noise.

Industrial motor drives generate switching waveforms, and these waveforms can create high-frequency electrical noise.

Filtering and correct common-mode configuration can help reduce unwanted interference.

However, the filter is only one part of the overall EMC installation.

Proper attention should also be given to:

• Motor cable routing
• Grounding
• Cable shielding
• Cabinet bonding
• Separation of control and power cables
• Cable length
• Motor grounding
• Installation practices

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9. Dynamic Braking Configuration

The model is configured with no internal dynamic-braking transistor.

This should be considered carefully when the machine requires rapid deceleration.

When a motor slows down, mechanical energy can flow back toward the drive.

If the machine has high inertia and needs to stop quickly, that energy needs to be managed.

Applications requiring particular attention to braking include:

• High-inertia conveyors
• Large fans
• Centrifuges
• Rollers
• Winders
• Unwinders
• High-speed machinery
• Rapid-stop systems

The braking solution should be designed according to motor power, inertia, deceleration time and stopping frequency.

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10. HIM Configuration

The model is supplied in a blank/no-HIM configuration.

HIM refers to the local Human Interface Module.

A drive without a local HIM can be useful in automated machinery where the drive is operated through another control system.

For example, the machine may use:

• PLC control
• HMI control
• Network control
• Centralized operator stations
• Supervisory control systems

For highly automated equipment, eliminating an unnecessary local keypad can provide a cleaner cabinet arrangement.

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11. Product Introduction

The 20F14NF023JN0NNNNN is designed to control the speed, torque and operation of three-phase AC motors.

A conventional motor connected directly to a fixed-frequency power supply normally operates at a relatively fixed speed.

A variable-frequency drive changes the electrical conditions supplied to the motor so that motor speed can be adjusted according to the machine’s requirements.

This allows the motor to:

• Start smoothly
• Accelerate gradually
• Operate at adjustable speed
• Decelerate in a controlled manner
• Follow an external speed reference
• Respond to process requirements
• Participate in automated control sequences

This is particularly valuable in modern industrial machinery where motors are expected to operate as part of a coordinated production system.

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12. Main Product Characteristics

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13. Motor-Control Capabilities

The PowerFlex 753 platform is designed for a variety of industrial motor-control applications.

Depending on the overall configuration and application, control strategies can include:

The most appropriate control method depends on the motor, mechanical load and machine-control requirements.

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14. Application: Conveyor Systems

The 20F14NF023JN0NNNNN is well suited to appropriately sized conveyor systems.

Conveyor motors often benefit from controlled acceleration.

Instead of applying full torque immediately, the drive can increase motor speed in a controlled manner.

This can reduce stress on:

• Conveyor belts
• Gearboxes
• Shafts
• Couplings
• Bearings
• Rollers
• Mechanical structures

Controlled deceleration can also reduce product movement and mechanical shock.

For larger conveyors, the 23 A rating provides additional capacity compared with smaller models in the same series.

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15. Application: Pumps

Industrial pump systems are another common application.

The drive can adjust motor speed according to the actual process requirement.

For example, a pump may operate at lower speed when the required flow rate decreases.

Typical applications include:

• Industrial water systems
• Cooling-water systems
• Process pumps
• Circulation pumps
• Filtration systems
• Wastewater systems
• Utility systems

Variable-speed operation can also provide energy-saving potential for variable-torque pump loads.

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16. Application: Fans and Blowers

Industrial fans frequently operate under changing airflow requirements.

A fixed-speed fan may operate at full speed even when the process only requires partial airflow.

With variable-speed control, the motor can operate at a lower speed when demand is lower.

Typical applications include:

• Industrial ventilation
• Dust collection
• Furnace exhaust
• Cooling systems
• Air-handling equipment
• Process exhaust
• Industrial ventilation systems

For variable-torque fans, speed reduction can provide substantial energy savings.

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17. Application: Mixers and Agitators

Mixers can have significantly different torque requirements during different stages of operation.

An empty mixer may require relatively little torque.

A mixer filled with heavy or viscous material can require considerably more torque.

The drive can provide controlled acceleration and adjustable operating speed.

Applications include:

• Chemical processing
• Food production
• Paint manufacturing
• Plastics
• Water treatment
• Building materials
• Industrial process systems

Different speeds can be used for filling, mixing and discharge operations.

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18. Application: Compressors

The drive can be applied to suitably sized industrial compressors.

Variable-speed operation can help match compressor operation to production demand.

Potential applications include:

• Industrial compressed-air systems
• Process compressors
• Manufacturing utilities
• Process-gas systems
• Refrigeration equipment

Compressor selection requires careful attention to starting torque, acceleration and motor current.

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19. Application: Material Handling

Material-handling systems often require coordinated speed control.

The 20F14NF023JN0NNNNN can be used for suitably rated:

• Feeders
• Conveyors
• Rollers
• Transfer systems
• Sorting equipment
• Packaging equipment
• Material-processing systems

In multi-motor systems, several drives can operate according to coordinated machine-control commands.

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20. Application: Industrial Process Machinery

The drive can be used in a wide range of process applications.

Potential examples include:

• Industrial rollers
• Processing machines
• Production lines
• Extrusion equipment
• Mixing systems
• Packaging equipment
• Manufacturing machinery
• Material-processing systems

The ability to adjust speed according to the process can improve production consistency.

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21. Major Advantage — 23 A Output Capacity

The 23 A output rating is one of the main advantages of this model.

It provides a meaningful step up from the 20 A version while remaining within the same general Frame 6 family.

This makes it useful when:

• A 20 A model is too close to the motor’s rated current
• Additional current margin is required
• The motor has higher operating current
• The machine has more demanding acceleration requirements
• A larger model is not yet necessary

The additional capacity can provide more flexibility during drive selection.

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22. Major Advantage — 18.5 kW Normal-Duty Rating

The 18.5 kW Normal-Duty rating makes this model suitable for medium-power industrial motors.

This capacity is useful for applications such as:

• Larger conveyors
• Pumps
• Fans
• Blowers
• Mixers
• Process machinery
• Material-handling equipment

The actual motor full-load current should still be checked before selecting the drive.

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23. Major Advantage — 15 kW Heavy-Duty Rating

For demanding constant-torque applications, the 15 kW Heavy-Duty rating is particularly useful.

It gives the machine designer a higher-current operating profile than would be available when using a Normal-Duty rating alone.

Applications with frequent acceleration or high starting torque can benefit from appropriate Heavy-Duty sizing.

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24. Major Advantage — 690 V Operation

The 690 V rating allows the drive to work with high-voltage industrial motor systems.

This is especially useful where the plant or machine is already standardized around 690 V motors.

It can also reduce current requirements compared with equivalent lower-voltage systems at similar power levels.

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25. Major Advantage — Common-DC-Bus Architecture

For machines with several motors, the common-bus architecture can be a significant advantage.

A shared DC power system can allow multiple drive sections to operate within a coordinated electrical architecture.

This can be especially useful in:

• Multi-drive machines
• Production lines
• Material-handling systems
• Winding systems
• Processing equipment

It also makes this model fundamentally different from a conventional standalone AC-input drive.

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26. Major Advantage — Frame 6

The Frame 6 construction provides a useful balance between power capacity and physical size.

The model is capable of handling substantially more power than smaller compact drives while remaining smaller than many high-current industrial drive configurations.

For cabinet designers, this makes the Frame 6 platform a practical middle ground.

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27. Major Advantage — Air-Cooled Design

The air-cooled design is practical for industrial cabinet installations.

It avoids the additional complexity of a liquid-cooling system.

The cabinet must nevertheless provide:

• Adequate airflow
• Heat dissipation
• Appropriate ventilation
• Clean air
• Suitable ambient conditions

Cooling should be considered carefully when multiple drives are installed in the same cabinet.

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28. Major Advantage — Filtered Configuration

The filtered configuration helps with electrical-noise management.

This can be useful in cabinets containing sensitive electronics such as:

• PLCs
• HMIs
• Communication equipment
• Sensors
• Relays
• Switching power supplies
• Other drives

Good grounding and cable routing remain essential.

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29. Major Advantage — No-HIM Configuration

The blank/no-HIM arrangement is useful for automated machines.

The drive can be operated from a centralized control system rather than a local keypad.

This can make sense in:

• Production lines
• PLC-controlled machines
• Remote-control systems
• Automated process equipment
• Centralized operator systems

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30. Dimensions and Weight

Mechanical information is especially important when designing an enclosure around a Frame 6 drive.

The commonly listed length for this configuration is approximately 30.75 inches, or 781 mm.

The listed weight is approximately 32 lb, or 14.51 kg.

For this exact open-type configuration, the reliable dimensional information available identifies the overall length at approximately 781 mm.

Width and depth should be confirmed against the mechanical drawing for the actual drive configuration rather than filled in with an unsupported estimate.

This is especially important when designing a production cabinet with tight mechanical clearances.

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31. Electrical Parameter Table

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32. Installation and Cabinet Design

The 20F14NF023JN0NNNNN is an open-type drive, meaning the final machine enclosure must provide the necessary environmental protection.

The enclosure should protect the drive against:

• Dust
• Moisture
• Condensation
• Mechanical contamination
• Corrosive materials
• Excessive heat

Adequate space should also be provided for electrical connections and maintenance.

The cabinet designer should consider:

• DC-bus wiring
• Motor cables
• Grounding
• Control wiring
• Cable bending radius
• Airflow
• Heat generation
• Service access

The drive’s approximately 14.51 kg weight should also be considered when selecting the mounting structure.

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33. Cooling and Thermal Management

Air-cooled drives generate heat during normal operation.

The cabinet should therefore provide sufficient heat removal.

Important factors include:

When several drives are installed together, the total heat load must be considered.

A cabinet that is suitable for one drive may require additional cooling when multiple drives are installed.

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34. Environmental Considerations

The long-term reliability of an industrial drive depends strongly on its environment.

Good cabinet design can significantly improve drive service life.

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35. Motor Selection Guidelines

The drive should be selected according to the motor’s actual electrical requirements.

The motor’s full-load current is often more important than the nominal kW rating.

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36. Normal-Duty or Heavy-Duty?

This is a general engineering guide.

The final selection should always be based on motor current, load profile and operating conditions.

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37. Five Recommended Models from the Same Series

The following models are useful alternatives within the same general PowerFlex 753, 690 V common-bus range.

Among these models, the 20F14NF020JN0NNNNN is the closest lower-capacity alternative.

The 20F14NF030JN0NNNNN is the most natural higher-capacity choice if 23 A is no longer sufficient.

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38. Same-Series Comparison

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39. Five Related Popular Models from the Same Brand

If the application does not specifically require the 690 V common-bus architecture, other popular drive families can be considered.

These models are related choices rather than direct electrical replacements.

The 20F14NF023JN0NNNNN uses a 690 V common-bus configuration, while several of the alternatives above use different voltage classes and input architectures.

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40. PowerFlex 755 Compared with PowerFlex 753

The PowerFlex 755 family is a logical choice for applications requiring larger power capacity or more advanced system functionality.

The PowerFlex 753 is a strong choice for general industrial applications and common-bus motor control.

The PowerFlex 755 is more attractive when the machine requires a broader range of advanced functions or substantially greater power capacity.

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41. PowerFlex 525 as a Compact Alternative

The PowerFlex 525 family is better suited to smaller industrial equipment.

It can be considered for:

• Small conveyors
• Small pumps
• Small fans
• Packaging machines
• Small material-handling systems
• Compact automation equipment

Its compact physical design can be a major advantage where cabinet space is limited.

However, it should not be considered a direct replacement for a 690 V common-bus PowerFlex 753 drive.

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42. PowerFlex 40 as a Simple Alternative

A PowerFlex 40-class drive can be considered when the machine requires a relatively straightforward variable-speed solution.

It may be suitable for:

• Basic conveyors
• Fans
• Pumps
• Simple process equipment
• Small industrial machinery

It is generally more appropriate when advanced common-bus architecture and higher-level system functions are not required.

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43. Advantages for Machine Builders

For machine builders, the 20F14NF023JN0NNNNN provides a standardized industrial drive platform.

This can help simplify:

• Electrical design
• Drive selection
• Programming
• Commissioning
• Maintenance
• Operator training
• Spare-parts management

The same general drive family can be used at several power levels.

This can reduce the number of different drive platforms that a machine builder needs to support.

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44. Advantages for System Integrators

System integrators can benefit from the flexibility of the PowerFlex 753 platform.

For example, a production system might use:

• A smaller 12 A drive for a small pump
• A 15 A drive for a fan
• A 20 A drive for a medium conveyor
• The 23 A model for a larger process motor
• A 30 A or 34 A model for a larger machine section

This makes the family convenient for standardized industrial automation projects.

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45. Energy-Saving Potential

Variable-speed drives can reduce energy consumption in certain applications.

The greatest potential is generally found in variable-torque loads.

For example, pumps and fans often do not need to operate at maximum speed continuously.

Reducing speed can significantly reduce the power required by these loads.

For conveyors and mixers, the main advantages may instead be:

• Controlled speed
• Soft acceleration
• Controlled stopping
• Reduced mechanical shock
• Better production control
• Improved process consistency

Energy savings therefore depend strongly on the machine’s actual operating profile.

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46. Maintenance and Diagnostics

A modern industrial drive provides more than speed control.

It can also provide useful information for commissioning and troubleshooting.

Typical information may include:

• Output current
• Output frequency
• Motor speed
• Drive temperature
• DC-bus voltage
• Operating state
• Fault status
• Warning status
• Communication status
• Load-related information

This information can help maintenance technicians determine whether a problem originates from:

• The motor
• The drive
• The mechanical load
• The control system
• The power supply
• The communication network

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47. Troubleshooting Approach

If the motor does not operate correctly, the drive should not automatically be considered defective.

A sensible troubleshooting process includes:

1. Check the DC-bus supply.
2. Check the precharge system.
3. Check motor nameplate parameters.
4. Check motor cable connections.
5. Check grounding.
6. Check mechanical load.
7. Check acceleration parameters.
8. Check deceleration parameters.
9. Check current limits.
10. Check control references.
11. Check communication signals.
12. Review fault history.
13. Review warning history.
14. Check cabinet temperature.
15. Check cooling airflow.

This approach can prevent unnecessary component replacement.

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48. Braking Considerations

Because this specific model has no internal dynamic-braking transistor, the braking requirements of the machine should be evaluated during design.

A machine with low inertia and a long stopping time may not require a sophisticated braking arrangement.

A machine with high inertia and rapid stopping requirements may require additional braking equipment.

Examples include:

• High-speed rollers
• Large fans
• Centrifuges
• Winding machines
• Heavy conveyors
• Rapid-stop machinery

Braking requirements should be evaluated from the actual stored mechanical energy and required stopping time.

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49. Cabinet Space Planning

The approximate 781 mm length is an important planning dimension.

However, the physical drive envelope is only part of the cabinet calculation.

Additional space should be reserved for:

• Power wiring
• DC-bus wiring
• Motor wiring
• Control wiring
• Grounding
• Cable bends
• Airflow
• Maintenance
• Inspection

The 14.51 kg weight should also be considered when designing the mounting plate and cabinet structure.

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50. Replacement Checklist

When replacing another drive with the 20F14NF023JN0NNNNN, the following points should be checked.

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51. Recommended Models by Application

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52. Complete Product Parameter Summary

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53. Key Advantages at a Glance

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54. Overall Product Evaluation

The 20F14NF023JN0NNNNN occupies an important position within the PowerFlex 753 690 V common-bus product range.

It is more powerful than the 12 A, 15 A and 20 A versions and provides 23 A Normal-Duty output with an 18.5 kW Normal-Duty rating.

At the same time, it remains a Frame 6 air-cooled drive, making it a practical choice for medium-power industrial equipment.

The 15 kW Heavy-Duty rating gives the model additional value for machines with higher torque requirements.

Its 690 VAC operating class makes it suitable for high-voltage industrial motor systems.

The 932 VDC common-bus input makes it especially relevant to multi-drive machinery and shared-DC industrial architectures.

The filtered configuration and installed CM jumper are useful features for industrial electrical-system design.

The no-HIM configuration makes it a natural choice for automated machines where operation is handled through a PLC, HMI or networked control system.

The absence of an internal dynamic-braking transistor is an important design detail rather than a simple disadvantage. It means that applications requiring aggressive braking should be evaluated with an appropriate external braking strategy.

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55. Final Conclusion

The Allen-Bradley 20F14NF023JN0NNNNN is a high-voltage, medium-power PowerFlex 753 AC drive designed for demanding industrial motor-control applications.

Its key electrical specifications are:

• 690 VAC
• Three Phase
• 23 A Normal-Duty continuous current
• 18.5 kW Normal-Duty
• 20 A Heavy-Duty continuous current
• 15 kW Heavy-Duty
• 25.3 A Normal-Duty 60-second current
• 34.5 A Normal-Duty 3-second current
• 30 A Heavy-Duty 60-second current
• 36 A Heavy-Duty 3-second current
• 932 VDC nominal common-bus input
• DC input with precharge
• Frame 6
• Air Cooled
• Open Type
• Filtered
• CM jumper installed
• No internal dynamic-braking transistor
• Blank / No HIM

From a mechanical perspective, the drive weighs approximately 14.51 kg and has an overall length of approximately 781 mm / 30.75 inches.

The exact width and depth should be confirmed from the applicable mechanical drawing before designing a production cabinet.

The model is particularly suitable for industrial conveyors, pumps, fans, blowers, mixers, compressors, material-handling systems and process machinery where adjustable motor speed and controlled operation are required.

For a slightly smaller motor, the 20F14NF020JN0NNNNN is a logical alternative.

For a larger motor, the 20F14NF030JN0NNNNN or 20F14NF034JN0NNNNN can provide additional capacity.

For applications that do not require a 690 V common-bus architecture, the PowerFlex 525, PowerFlex 40 and PowerFlex 755 families provide different approaches depending on motor size, voltage and automation requirements.

Overall, the 20F14NF023JN0NNNNN is a strong choice when the application requires a 690 V, 23 A, 18.5 kW Normal-Duty industrial drive with common-DC-bus capability, Frame 6 construction, air cooling and flexible PowerFlex 753 motor-control functionality.