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Allen-Bradley 20F14NF030JN0NNNNN — Detailed Product Specifications, Introduction, Applications, Advantages and Recommended Models

1. Product Overview

The 20F14NF030JN0NNNNN is a high-voltage industrial PowerFlex 753 AC Drive designed for demanding variable-speed motor-control applications.

This model is rated for 690 VAC, three-phase operation, with a 30 A Normal-Duty output rating and a 22 kW Normal-Duty power rating. Under Heavy-Duty operation, it is rated at 23 A and 18.5 kW.

The drive uses a 932 VDC nominal common-bus input with precharge, making it particularly suitable for machinery and industrial systems built around a shared DC-bus power architecture.

The catalog configuration is air cooled, Frame 6, open type, filtered, with the common-mode capacitor jumper installed, without an internal dynamic-braking transistor, and supplied without a HIM.

This combination makes the model particularly attractive for medium-power industrial machinery where high motor voltage, relatively high current capacity, common-DC-bus operation and integration into a larger automation system are important.

The 30 A rating places this model above the 23 A version in the same 690 V common-bus family. It therefore represents a useful step up when the motor current or application load has exceeded the practical range of smaller Frame 6 models.

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2. Brand and Product Series

The model is identified as a PowerFlex 753 air-cooled 690 V AC drive with a 30 A rating, 22 kW Normal-Duty rating, 18.5 kW Heavy-Duty rating and Frame 6 construction.

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3. Detailed Product Parameters

The Frame 6 dimensions for the open-type PowerFlex 753 configuration are approximately 665.5 × 308 × 346.4 mm, with an approximate weight of 38.6 kg.

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4. Electrical Rating

The most important electrical characteristic of the 20F14NF030JN0NNNNN is its 30 A Normal-Duty output rating.

The drive provides 22 kW Normal-Duty power capacity and 18.5 kW Heavy-Duty power capacity.

The overload capability is important for machines that experience short-term increases in motor current.

The Normal-Duty rating is generally more suitable for applications where the load is relatively smooth.

Heavy-Duty sizing should be considered when the machine has higher torque requirements, frequent acceleration, difficult starting conditions or substantial short-duration overload requirements.

The published PowerFlex 753 common-bus rating table places the 30 A model at 22 kW Normal Duty and 18.5 kW Heavy Duty, with 33 A and 45 A short-term Normal-Duty ratings and 34.5 A and 45 A Heavy-Duty ratings.

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5. 690 VAC Voltage Class

The 20F14NF030JN0NNNNN is designed for a 690 VAC three-phase industrial power system.

This is an important distinction because it is not a conventional low-voltage 230 VAC or 480 VAC compact inverter.

A 690 V motor system is often selected for industrial equipment where relatively high motor power needs to be distributed efficiently.

For a given motor power, increasing motor voltage can reduce the required operating current.

This can offer practical benefits in large industrial installations, including:

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

The motor nameplate voltage and actual electrical system must always be compatible with the drive configuration.

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6. 932 VDC Common-Bus Input

A particularly important feature of this model is its 932 VDC nominal common-bus input architecture.

The drive is not simply a conventional standalone AC-input inverter.

It is configured for DC input with precharge, allowing it to participate in a shared DC-bus system.

This can be useful when a machine contains several motor drives.

For example, a large production machine may contain:

• Conveyor motors
• Feed motors
• Roller motors
• Winding motors
• Pump motors
• Auxiliary motors

A common DC-bus architecture can provide a coordinated power structure for these drive sections.

This is one of the main reasons why the model is particularly relevant to complex industrial machinery.

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7. Precharge Function

The catalog configuration specifies DC input with precharge.

Precharge is important in a high-voltage DC-bus system because the drive contains DC-link capacitors that must be charged during startup.

If the capacitors were connected directly to a high-voltage DC source without appropriate current management, the initial charging current could be very large.

The precharge function helps control this initial energization process.

When installing the drive, the following should therefore be considered as part of the complete system:

• DC-bus source
• Precharge arrangement
• Disconnecting system
• DC protection
• Grounding
• Bus capacitors
• Bus voltage
• Control sequence

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8. Filtering and Common-Mode Jumper

The 20F14NF030JN0NNNNN is configured as Filtered, CM Jumper Installed.

This configuration is important when designing an industrial electrical system with multiple electronic devices.

Variable-frequency drives use high-frequency switching devices, which naturally generate electrical noise.

The filtering arrangement can help reduce unwanted conducted interference.

However, filtering should not be viewed as a substitute for good electrical installation practice.

A proper installation should also consider:

• Motor cable shielding
• Grounding
• Cabinet bonding
• Cable routing
• Separation of power and control cables
• Motor cable length
• Grounding of the motor frame
• Control-system noise sensitivity

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9. Dynamic-Braking Configuration

The 20F14NF030JN0NNNNN has no internal dynamic-braking transistor.

This is an important configuration detail.

When an AC motor decelerates, the mechanical energy stored in the rotating system can return to the drive.

If the machine requires rapid stopping, this regenerated energy must be managed correctly.

Applications requiring special attention include:

• High-inertia conveyors
• Large fans
• Centrifuges
• Heavy rollers
• Winding machines
• Unwinding machines
• High-speed production equipment
• Rapid-stop machinery

The appropriate braking method depends on motor size, inertia, stopping time and the number of braking cycles.

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10. HIM Configuration

The model uses a Blank / No HIM configuration.

HIM means Human Interface Module.

A drive without a local HIM can be a practical choice when the drive is part of an automated machine.

Instead of having a local keypad, the machine may use:

• PLC control
• HMI control
• Industrial communication
• Centralized operator control
• Remote parameter management

This arrangement is particularly suitable for machines where operators interact with the machine through a centralized HMI rather than directly with each individual drive.

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11. Product Introduction

The 20F14NF030JN0NNNNN is a medium-power industrial variable-frequency drive intended to control the speed and torque of three-phase AC motors.

Its primary function is to control how electrical power is delivered to the motor.

Instead of allowing a motor to run at only one fixed operating condition, the drive can vary motor operating frequency and voltage according to the application.

This allows controlled:

• Starting
• Acceleration
• Running speed
• Deceleration
• Stopping
• Torque response
• Process-speed adjustment

This type of control is widely used in automated industrial machinery.

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12. Motor-Control Functionality

The PowerFlex 753 platform is intended for applications requiring more flexibility than a basic motor starter.

Depending on the overall system configuration, it can be used for applications involving:

The exact control method should be selected based on the motor and mechanical load.

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13. Application — Conveyor Systems

Conveyor systems are an excellent application for this model when the motor rating falls within the appropriate electrical range.

A conveyor does not necessarily need to run at full speed continuously.

Different production stages may require different conveyor speeds.

The drive can provide controlled acceleration rather than applying the full mechanical load immediately.

This can reduce stress on:

• Belts
• Rollers
• Gearboxes
• Couplings
• Shafts
• Bearings
• Mechanical structures

Controlled deceleration can also reduce sudden movement of products.

The 30 A capacity provides a useful margin for larger conveyor motors compared with the 20 A and 23 A models in the same range.

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14. Application — Pumps

Industrial pumps can benefit significantly from variable-speed control.

A pump may not need to operate at full speed at all times.

The drive can adjust motor speed according to the required:

• Flow
• Pressure
• Tank level
• Process demand
• Cooling requirement

Typical applications include:

• Industrial water circulation
• Cooling-water systems
• Process pumps
• Filtration systems
• Wastewater equipment
• Utility systems
• Industrial fluid handling

For variable-torque pump applications, reduced speed can also provide substantial energy-saving potential.

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15. Application — Fans and Blowers

Fans and blowers frequently operate with changing process requirements.

A fixed-speed fan can waste energy when maximum airflow is not required.

A variable-frequency drive allows the fan to operate closer to the actual airflow requirement.

Potential applications include:

• Factory ventilation
• Dust extraction
• Furnace exhaust
• Cooling systems
• Industrial air handling
• Process exhaust
• Ventilation systems

This can improve both process control and energy efficiency.

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16. Application — Mixers and Agitators

Mixers and agitators often experience changing torque conditions.

The required torque can be much lower when a vessel is empty than when it is full of dense material.

The drive can provide controlled acceleration and adjustable speed.

Potential applications include:

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

The ability to adjust speed can also improve product consistency.

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17. Application — Compressors

The drive can be used for suitably rated industrial compressor systems.

Variable-speed control allows the compressor motor to operate according to demand.

Potential applications include:

• Industrial compressed-air systems
• Process compressors
• Manufacturing utilities
• Process-gas equipment
• Specialized industrial machinery

Compressor applications require careful consideration of motor starting current and torque.

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18. Application — Material Handling

Material-handling systems frequently use several motors operating at coordinated speeds.

The 20F14NF030JN0NNNNN can be suitable for larger sections of such machinery.

Potential applications include:

• Feed systems
• Rollers
• Conveyors
• Transfer machines
• Sorting systems
• Packaging equipment
• Bulk-material systems

The common-DC-bus architecture can be particularly attractive in machines with multiple coordinated drive sections.

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19. Application — Process Machinery

The model can also be used in process machinery where motor speed needs to follow production requirements.

Potential applications include:

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

A variable-speed drive can improve process control and reduce mechanical shock.

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20. Main Advantage — 30 A Output

The 30 A Normal-Duty output rating is the defining advantage of this model compared with smaller versions.

The progression within this 690 V common-bus group is significant:

The 30 A version therefore provides a substantial increase in capacity over the 23 A model while remaining within the same general Frame 6 common-bus family.

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21. Main Advantage — 22 kW Normal-Duty Capacity

The 22 kW Normal-Duty rating makes this model suitable for a wide range of medium-power industrial machines.

Potential applications include:

• Medium-large conveyors
• Pumps
• Fans
• Blowers
• Mixers
• Process machinery
• Rollers
• Material-handling systems

For applications with relatively smooth loads, this capacity can provide a useful balance between power and physical size.

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22. Main Advantage — 18.5 kW Heavy-Duty Capacity

The 18.5 kW Heavy-Duty rating is particularly useful for constant-torque machinery.

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

This makes the model attractive for machinery such as:

• Heavy conveyors
• Mixers
• Material feeders
• Industrial rollers
• Process machinery
• High-inertia equipment

The actual motor current must still be checked against the drive rating.

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23. Main Advantage — 690 VAC

The 690 V class is an important advantage for industrial applications.

A higher motor voltage can reduce current for a given power level.

This can provide benefits in large industrial installations where long motor cables and substantial motor power are involved.

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24. Main Advantage — Common DC Bus

The common-bus configuration makes this model particularly suitable for multi-drive systems.

A machine may contain several motor sections.

Instead of treating each drive as an independent AC-input unit, the system can be designed around a shared DC-bus architecture.

This can be useful for:

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

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25. Main Advantage — Frame 6

Frame 6 gives the drive a substantial electrical capacity without moving into the larger Frame 7 physical class.

The approximate open-type dimensions are:

665.5 mm H × 308 mm W × 346.4 mm D

with an approximate weight of:

38.6 kg

This makes mechanical planning particularly important, but the package remains practical for large industrial cabinets.

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26. Main Advantage — Air-Cooled Construction

Air cooling is a practical approach for industrial cabinet applications.

It avoids the additional plumbing and maintenance associated with liquid cooling.

However, air cooling means cabinet ventilation must be designed correctly.

Important factors include:

• Ambient temperature
• Internal cabinet temperature
• Airflow
• Fan operation
• Dust
• Heat from adjacent equipment
• Cabinet ventilation

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27. Main Advantage — Filtered Configuration

The filtered configuration helps manage electrical noise generated by high-frequency switching.

This can be useful in cabinets containing:

• PLCs
• HMIs
• Industrial communication modules
• Sensors
• Instrumentation
• Other variable-frequency drives

Correct grounding and cable routing are still essential.

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28. Main Advantage — No-HIM Configuration

The blank/no-HIM configuration can be beneficial in highly automated equipment.

A machine can be designed around a central operator interface rather than installing an individual keypad on every drive.

This can provide a cleaner control architecture.

It is especially suitable for:

• Automated production lines
• PLC-controlled machines
• Remote-operated machinery
• Centralized control systems

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29. Dimensions and Weight

Mechanical dimensions are particularly important for this model because it is a Frame 6 drive with a substantial physical footprint.

The approximate open-type dimensions are:

These approximate dimensions and weight correspond to the Frame 6 open-type PowerFlex 753 mechanical envelope.

The 38.6 kg weight is an important consideration during cabinet assembly and maintenance.

A sufficiently rigid mounting plate should be provided.

Additional cabinet space should also be reserved around the drive for wiring, airflow and maintenance.

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30. Cabinet Installation

Because this is an open-type industrial drive, it should be installed inside an appropriate enclosure.

The cabinet should provide protection against:

• Dust
• Moisture
• Condensation
• Corrosive contaminants
• Mechanical damage
• Excessive ambient heat

The cabinet should also provide sufficient space for:

• DC-bus wiring
• Motor wiring
• Control wiring
• Grounding
• Cable routing
• Airflow
• Maintenance access

The dimensions of 665.5 × 308 × 346.4 mm should be treated as the drive’s basic physical envelope rather than the entire required cabinet space.

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31. Thermal Management

A Frame 6 air-cooled drive can produce a meaningful amount of heat during operation.

Proper thermal design is therefore essential.

If several drives are installed in one enclosure, the combined heat load must be calculated.

A cabinet cooling system should not be sized around the drive’s electrical power rating alone.

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32. Environmental Considerations

Industrial drives should be installed in an environment suitable for electronic power equipment.

A clean and well-ventilated cabinet can significantly improve operational reliability.

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33. Motor Selection

The drive should be selected according to actual motor current rather than simply motor kW.

For a motor near the drive’s maximum rating, the motor nameplate current should be checked carefully.

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34. Normal-Duty and Heavy-Duty Application Guide

The final selection should always be based on the actual motor current and machine load profile.

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35. Five Recommended Models from the Same Series

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

The 690 V common-bus range includes progressive current and power ratings, making these models useful for selecting a drive around the motor’s actual current requirement.

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36. Same-Series Comparison

The 30 A model is therefore a useful middle point between the 23 A and 34 A versions.

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37. Five Popular Related Models from the Same Brand

For applications where the 690 V common-bus architecture is not mandatory, other PowerFlex families can be considered.

These are related models rather than direct drop-in replacements.

The 20F14NF030JN0NNNNN has a specific 690 V common-bus DC-input configuration, so a lower-voltage AC-input drive should not be substituted without reviewing the complete electrical architecture.

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38. PowerFlex 753 Compared with PowerFlex 755

For large industrial machinery, the PowerFlex 755 family can be an alternative when additional functionality or significantly greater power capacity is required.

The PowerFlex 753 is a strong choice for general industrial motor control.

The PowerFlex 755 becomes more attractive when the machine requires larger capacity or a more extensive range of advanced control functions.

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39. PowerFlex 525 as a Compact Alternative

The PowerFlex 525 is aimed at smaller industrial applications.

It can be useful for:

• Small conveyors
• Small pumps
• Fans
• Packaging machinery
• Compact machine tools
• Small material-handling systems

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

However, it is not a direct electrical replacement for the 690 V common-bus 20F14NF030JN0NNNNN.

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40. PowerFlex 40 as a General-Purpose Alternative

A PowerFlex 40-class drive can be considered for applications where a simpler general-purpose variable-speed solution is needed.

Potential applications include:

• Fans
• Pumps
• Conveyors
• Basic process machinery
• Small production machines

It is more appropriate for simpler systems where the 690 V common-bus architecture and larger PowerFlex 753 platform are not required.

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41. Advantages for Machine Builders

For machine builders, the 20F14NF030JN0NNNNN provides a standardized drive platform for medium-power industrial machinery.

This can simplify:

• Electrical design
• Drive selection
• Machine programming
• Commissioning
• Maintenance
• Troubleshooting
• Spare-parts management

The PowerFlex 753 family also allows different drive ratings to be used while maintaining a consistent overall drive platform.

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42. Advantages for System Integrators

System integrators can benefit from the broad range of current ratings available in the PowerFlex 753 family.

For example, a machine may use:

• 15 A for a smaller motor
• 20 A for a medium motor
• 23 A for a larger motor
• 30 A for a 22 kW-class motor
• 34 A or 46 A for larger equipment

This makes the family useful for standardized machine architectures.

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43. Energy Efficiency

Variable-speed drives can offer significant energy-saving potential in suitable applications.

The strongest opportunity is generally associated with variable-torque equipment such as pumps and fans.

For these applications, reducing motor speed can significantly reduce the required power.

For constant-torque applications, the main advantages may instead be:

• Better process control
• Reduced mechanical shock
• Controlled acceleration
• Controlled deceleration
• Adjustable production speed
• Improved operating consistency

Actual energy savings depend on the machine and its operating profile.

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44. Maintenance and Diagnostics

The drive can provide valuable operating information during maintenance and commissioning.

Typical information available in a drive-control system can include:

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

This information can help technicians identify whether a problem is associated with the drive, motor, mechanical system, power supply or control network.

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45. Troubleshooting Approach

If the motor does not operate normally, it is useful to approach troubleshooting systematically.

A typical sequence is:

1. Check the DC-bus voltage.
2. Check the precharge circuit.
3. Verify motor nameplate data.
4. Check motor cable connections.
5. Check grounding.
6. Check mechanical loading.
7. Check acceleration settings.
8. Check deceleration settings.
9. Check current limits.
10. Check speed references.
11. Check communication signals.
12. Review fault history.
13. Review warning history.
14. Check cabinet temperature.
15. Check cooling airflow.

This process helps avoid replacing a drive when the actual problem is caused by the motor, machine, wiring or control system.

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46. Braking Considerations

Because the 20F14NF030JN0NNNNN does not contain an internal dynamic-braking transistor, braking requirements should be evaluated before installation.

The machine’s stopping requirements should be analyzed according to:

• Motor power
• Motor speed
• Load inertia
• Deceleration time
• Number of stops
• Frequency of braking
• Mechanical transmission ratio

High-inertia machinery may require a dedicated braking solution.

This is especially important for:

• Large rollers
• Centrifuges
• Winding machines
• Heavy conveyors
• High-speed equipment

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47. Cabinet Space Planning

The physical envelope of the drive is approximately:

665.5 mm H × 308 mm W × 346.4 mm D

with an approximate weight of:

38.6 kg

The cabinet should not be designed to these dimensions alone.

Additional room should be provided for:

• Cable entry
• Power connections
• DC-bus wiring
• Motor wiring
• Grounding
• Cable bending
• Airflow
• Maintenance access

The 38.6 kg weight also means that the mounting plate and support structure should be sufficiently rigid.

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48. Mechanical Comparison with Nearby Models

For the Frame 6 open-type package, the published approximate mechanical envelope is 665.5 mm high, 308 mm wide, 346.4 mm deep and 38.6 kg.

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49. Five Same-Series Recommendations

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50. Five Popular Same-Brand Recommendations

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51. Complete Parameter Summary

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52. Key Advantages Summary

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53. Overall Product Evaluation

The 20F14NF030JN0NNNNN is a strong choice for industrial applications that require more capacity than the 20 A and 23 A versions of the 690 V PowerFlex 753 common-bus family.

Its 30 A Normal-Duty rating and 22 kW Normal-Duty capacity make it particularly suitable for medium-large industrial motors.

At the same time, its 23 A Heavy-Duty and 18.5 kW Heavy-Duty rating gives it useful capability for constant-torque machinery and applications with more demanding acceleration conditions.

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

The 932 VDC common-bus architecture makes it especially attractive for multi-drive machinery where several motors operate within one coordinated power system.

The Frame 6 air-cooled construction provides a practical industrial package, although the approximately 38.6 kg weight means that cabinet mounting and mechanical support should be carefully designed.

Its approximate dimensions of 665.5 mm × 308 mm × 346.4 mm should be incorporated into the cabinet layout from the beginning.

The filtered configuration and installed common-mode capacitor jumper are useful for industrial electrical-system design.

The blank/no-HIM configuration is also well suited to automated systems in which the drive is controlled through a PLC, HMI or industrial communication network.

One point that deserves particular attention is braking.

Because this particular configuration does not include an internal dynamic-braking transistor, applications involving high inertia or rapid stopping should be reviewed carefully before final drive selection.

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54. Final Conclusion

The Allen-Bradley 20F14NF030JN0NNNNN is a PowerFlex 753, 690 VAC, three-phase, Frame 6 industrial AC drive intended for medium-power motor-control applications.

Its primary electrical ratings are:

• 30 A Normal-Duty continuous current
• 22 kW Normal-Duty power
• 23 A Heavy-Duty continuous current
• 18.5 kW Heavy-Duty power
• 33 A Normal-Duty 1-minute current
• 45 A Normal-Duty 3-second current
• 34.5 A Heavy-Duty 1-minute current
• 45 A Heavy-Duty 3-second current
• 932 VDC nominal common-bus input
• DC input with precharge
• 690 VAC three-phase system
• Frame 6
• Air cooled
• Open type
• Filtered
• CM jumper installed
• No internal dynamic-braking transistor
• Blank / No HIM

Its mechanical characteristics are also substantial:

• Height: 665.5 mm
• Width: 308 mm
• Depth: 346.4 mm
• Weight: 38.6 kg

These dimensions and weight correspond to the Frame 6 open-type PowerFlex 753 package.

For a smaller application, the 20F14NF020JN0NNNNN or 20F14NF023JN0NNNNN can be considered.

For a larger application, the 20F14NF034JN0NNNNN or 20F14NF046JN0NNNNN provides additional capacity.

For applications that do not require a 690 V common-bus architecture, other PowerFlex families such as PowerFlex 525, PowerFlex 40 or PowerFlex 755 may be more appropriate depending on the motor voltage, power level, control requirements and physical installation.

Overall, the 20F14NF030JN0NNNNN is particularly well suited to applications where 22 kW Normal-Duty capacity, 18.5 kW Heavy-Duty capability, 690 V operation, 30 A output current, common-DC-bus architecture and Frame 6 industrial construction are required.