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Allen-Bradley 20F14NF082JN0NNNNN — Detailed Industrial AC Drive Product Profile, Technical Specifications, Applications, Advantages and Related Models

The 20F14NF082JN0NNNNN is a high-capacity industrial AC drive designed for demanding three-phase motor-control applications.

It belongs to the PowerFlex 753 series within the PowerFlex 750-Series family and is configured for 690 VAC, three-phase operation.

With an 82 A Normal Duty output rating, the drive provides a 75 kW Normal Duty rating and a 55 kW Heavy Duty rating. It uses a Frame 6 mechanical construction and forced-air cooling, making it suitable for substantial industrial machinery where motor speed, acceleration, deceleration and process control need to be managed electronically.

This model is particularly relevant to applications involving large conveyors, pumps, fans, blowers, mixers, material-handling systems, production machinery and other medium-to-large industrial motor loads.

The product combines high electrical capacity with the modular architecture of the PowerFlex 753 platform. That combination makes it useful not only as a standalone motor-speed controller, but also as part of a larger industrial automation system.

1. Product Basic Information

Parameter	Specification
Model	20F14NF082JN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 753
Product Type	Industrial AC Drive / Variable Frequency Drive
Drive Description	PowerFlex 753 Air-Cooled AC Drive
Voltage Rating	690 VAC
Input Phase	3 Phase
Normal Duty Output Current	82 A
Normal Duty Power	75 kW
Heavy Duty Output Current	61 A
Heavy Duty Power	55 kW
Frame Size	Frame 6
Cooling	Forced Air
Input Type	DC Input with Precharge
Nominal DC Bus Class	932 VDC
Enclosure	IP00 / NEMA/UL Type Open
IP20 Conversion	Available with appropriate optional kit
Filtering	Filtered
Common-Mode Capacitor Jumper	Installed
Dynamic Braking	None
Internal Dynamic Braking Transistor	No
HIM	Blank / No HIM
Embedded I/O	Yes
Installation	Industrial Control Cabinet / Panel
Approx. Height	665.5 mm
Approx. Width	308 mm
Approx. Depth	346.4 mm
Approx. Dimensions	665.5 × 308 × 346.4 mm
Approx. Weight	38.6 kg
Weight (kg)	38.6 kg
Typical Motor Power Class	Up to 75 kW Normal Duty
Typical Applications	Pumps, fans, conveyors, blowers, mixers, process machinery and material handling

The dimensions above represent the approximate Frame 6 open-type construction dimensions. For cabinet manufacturing, mounting and service-clearance calculations, the actual mechanical drawing for the installed configuration should always be used.

The approximately 38.6 kg drive weight is important when planning transportation, mounting hardware and cabinet construction. A suitable mounting structure should be provided, particularly because this is a large industrial drive rather than a compact wall-mounted inverter.

2. Brand and Series Information

Brand: Allen-Bradley.

Product Family: PowerFlex 750-Series.

Product Series: PowerFlex 753.

Product Type: Industrial AC Drive.

The 20F14NF082JN0NNNNN is one of the higher-capacity configurations within the 690 V common-bus section of the PowerFlex 753 range.

The model sits above the 61 A configuration and below the larger 98 A configuration, making it a useful choice for applications requiring approximately 75 kW Normal Duty or 55 kW Heavy Duty capability.

3. Product Introduction

The basic purpose of the 20F14NF082JN0NNNNN is to provide controlled electrical power to a three-phase AC motor.

Instead of allowing the motor to run continuously at one fixed speed, the drive regulates the electrical conditions supplied to the motor.

This allows the motor to operate at different speeds depending on the actual requirements of the machine.

For industrial equipment, this can make a substantial difference.

A conveyor does not necessarily need to operate at maximum speed all the time.

A pump may need different flow rates during different stages of a process.

A fan may need to respond to changing ventilation requirements.

A mixer may need a slow starting speed and then a higher operating speed.

A production machine may need carefully controlled acceleration and deceleration.

The drive provides the electrical control required to achieve these operating conditions.

4. Main Electrical Ratings

Electrical Parameter	Normal Duty	Heavy Duty
Model	20F14NF082JN0NNNNN	20F14NF082JN0NNNNN
Continuous Output Current	82 A	61 A
60-Second Output Current	90 A	92 A
3-Second Output Current	123 A	123 A
Power Rating	75 kW	55 kW
Voltage	690 VAC	690 VAC
Phase	3 Phase	3 Phase
Frame	Frame 6	Frame 6
Cooling	Forced Air	Forced Air

The most important electrical specification is the 82 A Normal Duty continuous output rating.

This corresponds to a 75 kW Normal Duty power rating.

For Heavy Duty operation, the continuous output rating is 61 A, corresponding to 55 kW Heavy Duty.

This difference is essential when choosing the drive for a real machine.

A 75 kW motor in a relatively moderate-load application is not the same selection case as a 75 kW motor that repeatedly experiences high starting torque or substantial overload.

5. Normal Duty and Heavy Duty

The drive’s Normal Duty and Heavy Duty ratings provide two different ways of evaluating its capacity.

Duty Classification	Continuous Current	60-Second Current	3-Second Current	Power Rating
Normal Duty	82 A	90 A	123 A	75 kW
Heavy Duty	61 A	92 A	123 A	55 kW

Normal Duty is generally appropriate for applications where the load is comparatively stable and the motor does not continuously operate under severe overload conditions.

Heavy Duty is intended for more demanding applications where higher overload capability is important.

Typical Heavy Duty conditions can include:

• High starting torque.
• Frequent acceleration.
• Frequent deceleration.
• Large mechanical inertia.
• Sudden changes in mechanical load.
• Repeated short-term overloads.
• Difficult starting conditions.
• High process torque.

For this reason, the 75 kW Normal Duty rating should not automatically be treated as a universal 75 kW rating.

The motor nameplate current and actual load profile should be considered before making the final selection.

6. Voltage Rating

The 20F14NF082JN0NNNNN is a 690 VAC three-phase drive.

This voltage class is particularly useful for larger industrial motors.

As motor power increases, electrical current can become a major consideration.

A higher motor voltage allows substantial power to be transferred while keeping current at a more manageable level compared with a lower-voltage system.

The 690 VAC configuration therefore makes this drive appropriate for many larger industrial motor systems.

7. DC Input and Precharge

The model is configured for DC input with precharge.

This is an important feature when the drive is used in a DC-bus or common-bus architecture.

The nominal DC-bus class associated with this configuration is approximately 932 VDC.

A precharge arrangement controls the initial charging process of the DC bus.

This is particularly important for high-power equipment because directly connecting a large DC-bus capacitance to a power source can create a very high initial current.

The precharge system therefore forms an important part of the overall power architecture.

8. Frame 6 Mechanical Construction

The drive uses a Frame 6 enclosure size.

This is a relatively large industrial drive frame.

The approximate physical dimensions are:

665.5 mm high × 308 mm wide × 346.4 mm deep.

The approximate drive weight is:

38.6 kg.

Mechanical Parameter	Specification
Model	20F14NF082JN0NNNNN
Frame	Frame 6
Height	665.5 mm
Width	308 mm
Depth	346.4 mm
Approx. Dimensions	665.5 × 308 × 346.4 mm
Weight	38.6 kg
Weight (kg)	38.6 kg
Enclosure	IP00 / NEMA/UL Type Open
Cooling	Forced Air
Mounting	Industrial Panel / Cabinet
Installation Orientation	Vertical
Cabinet Ventilation	Required
Service Clearance	Required

The physical dimensions are important because the drive itself is only part of the total cabinet space required.

Additional room may be necessary for power cables, control wiring, ventilation, maintenance access and other electrical equipment.

9. Enclosure Characteristics

The standard Frame 6 configuration is an IP00, NEMA/UL Type Open construction.

This means the drive normally needs to be installed inside an appropriate electrical cabinet or enclosure.

The cabinet should provide suitable protection from:

• Dust.
• Moisture.
• Mechanical damage.
• Contamination.
• Accidental contact.
• Excessive ambient temperature.
• Other environmental conditions unsuitable for an open-type drive.

The applicable Frame 6 configuration can be converted to an IP20/NEMA Type 1 arrangement using the appropriate optional enclosure kit.

The final enclosure selection should be based on the actual installation environment.

10. Cooling System

The 20F14NF082JN0NNNNN uses forced-air cooling.

At a 75 kW Normal Duty rating, effective heat removal is important.

A cabinet should not simply be large enough to physically contain the drive.

It also needs to provide an appropriate thermal environment.

Cooling Consideration	Requirement
Model	20F14NF082JN0NNNNN
Cooling Method	Forced Air
Cabinet Airflow	Required
Heat Dissipation	Must be considered
Airflow Path	Should remain unobstructed
Fan Maintenance	Important
Cabinet Temperature	Must remain within applicable limits
Nearby Heat Sources	Must be considered
Service Access	Required
Filter Maintenance	Required where filters are used

If airflow is restricted, the drive can experience increased internal temperature even when the electrical rating is otherwise correct.

For continuous industrial operation, the thermal design should therefore be treated as part of the drive-selection process.

11. Filtering and Common-Mode Capacitor Configuration

The catalog configuration uses a filtered arrangement with the common-mode capacitor jumper installed.

This is part of the specific configuration represented by the model number.

The filtering arrangement is important when considering:

• Electromagnetic compatibility.
• Motor-cable installation.
• Grounding.
• Electrical noise.
• Drive and motor system integration.
• Cabinet layout.

The correct configuration should be maintained during installation rather than treating the catalog suffix as irrelevant.

12. Dynamic Braking

The 20F14NF082JN0NNNNN does not include an internal dynamic-braking transistor.

This is an important consideration for high-inertia machinery.

When a motor decelerates, the mechanical energy stored in the rotating system can be transferred back toward the drive’s DC bus.

If the machine needs rapid stopping, that regenerative energy must be managed appropriately.

Applications requiring special attention include:

• Large fans.
• High-inertia conveyors.
• Large rollers.
• Centrifuges.
• Rapid-cycle machinery.
• High-speed rotating equipment.
• Certain lifting applications.

The braking requirements should therefore be evaluated independently from the basic motor power rating.

13. Product Application — Conveyor Systems

Large conveyor systems are one of the most natural applications for a drive in this power class.

A conveyor carrying heavy material can require considerable starting torque.

Starting the motor directly across the line can create a large current surge and mechanical shock.

A variable-speed drive allows the machine designer to control acceleration more gradually.

Typical applications include:

• Bulk material conveyors.
• Mining conveyors.
• Production conveyors.
• Packaging conveyors.
• Warehouse conveyors.
• Processing conveyors.
• Transfer conveyors.
• Heavy-duty material-handling systems.

The drive can also allow conveyor speed to be adjusted according to production requirements.

14. Product Application — Industrial Pumps

Large industrial pumps can benefit significantly from variable-speed control.

A pump often does not need to operate at full speed continuously.

The drive can adjust motor speed according to process requirements.

Potential applications include:

• Industrial water systems.
• Cooling-water pumps.
• Process pumps.
• Circulation systems.
• Transfer pumps.
• Water-treatment equipment.
• Process-fluid systems.
• Industrial pumping stations.

Variable-speed operation can also make it easier to coordinate pump operation with changing process demand.

15. Product Application — Large Fans

Industrial fans can consume a significant amount of power, particularly when operating continuously.

The drive allows the fan motor to operate at different speeds.

Typical applications include:

• Factory ventilation.
• Industrial exhaust.
• Dust collection.
• Furnace ventilation.
• Cooling systems.
• Air-handling equipment.
• Process ventilation.
• Large industrial blower systems.

The ability to reduce fan speed when full airflow is not required can be valuable in many industrial processes.

16. Product Application — Blowers

Large blowers are another suitable application.

A blower may need to maintain a particular airflow or pressure depending on production conditions.

The drive can adjust motor speed while the control system monitors the process.

Typical blower applications include:

• Industrial air systems.
• Process-air systems.
• Dust collection.
• Pneumatic conveying.
• Furnace systems.
• Combustion-air systems.
• Industrial ventilation.
• Process equipment.

17. Product Application — Mixers and Agitators

Mixers and agitators can have changing torque requirements.

The mechanical load can change as the viscosity, density or quantity of material changes.

A variable-speed drive gives the operator or control system the ability to change motor speed accordingly.

Potential applications include:

• Chemical processing.
• Food processing.
• Material preparation.
• Industrial mixing.
• Batch processing.
• Process tanks.
• Manufacturing equipment.

Heavy Duty selection should receive particular attention when the mixer has high breakaway torque or a difficult starting load.

18. Product Application — Material Handling

Material-handling equipment often requires controlled motor acceleration and deceleration.

The 20F14NF082JN0NNNNN provides enough electrical capacity for larger systems.

Applications may include:

• Conveyors.
• Transfer systems.
• Rollers.
• Material feeders.
• Production-line systems.
• Processing machinery.
• Industrial handling systems.

For vertical lifting or hoisting equipment, the braking and feedback requirements need additional engineering because the mechanical behavior of a suspended load is different from that of a horizontal conveyor.

19. Product Application — Process Machinery

The PowerFlex 753 architecture makes the drive useful for many types of industrial process machinery.

Examples include:

• Production lines.
• Industrial rollers.
• Processing machines.
• Large machine auxiliaries.
• Manufacturing systems.
• Packaging equipment.
• Process equipment.
• Large mechanical systems.

The modular nature of the drive makes it possible to build a more sophisticated control system when additional communication, feedback or I/O is required.

20. Main Product Advantages

High Power Capacity

The most obvious advantage of the 20F14NF082JN0NNNNN is its electrical capacity.

With 82 A Normal Duty output current, it provides a 75 kW Normal Duty rating.

This places it firmly in the medium-to-large industrial motor-control category.

For demanding Heavy Duty operation, it provides a 61 A / 55 kW rating.

690 VAC Compatibility

The 690 VAC rating makes this drive suitable for higher-voltage industrial motor systems.

This is especially useful in installations where large motor power needs to be delivered efficiently while keeping current within a practical range.

Strong Short-Term Overload Capability

The drive provides substantial short-duration current capacity.

Duty	Continuous	60 Seconds	3 Seconds
Normal Duty	82 A	90 A	123 A
Heavy Duty	61 A	92 A	123 A

This can be useful for machinery that experiences short periods of higher load.

Modular Architecture

The PowerFlex 753 platform is designed around a modular architecture.

This allows the drive to be configured according to the machine’s requirements.

Possible additions can include:

• Communication functions.
• Feedback.
• Additional I/O.
• Safety-related functions.
• Machine monitoring.
• Process-control functions.

This flexibility is one of the main reasons an architecture-class drive can be more attractive than a basic fixed-function inverter.

Embedded I/O

The drive includes embedded I/O.

This can simplify basic machine integration.

Depending on the control architecture, the drive can receive commands and references directly from machine control equipment and provide status or fault information back to the control system.

Communication Integration

The drive can be incorporated into an industrial automation network using suitable communication options.

A typical architecture might be:

PLC → Industrial Network → PowerFlex 753 → Motor

An HMI can be added for operator control and monitoring.

This allows the drive to become part of a larger automated production system rather than functioning as an isolated motor controller.

Feedback Expansion

Applications that require more accurate motor-speed control can use suitable feedback options.

Feedback can be useful for:

• Encoder-based speed regulation.
• Accurate process speed.
• Synchronized machinery.
• Coordinated production lines.
• Torque-sensitive applications.
• More demanding motion-related processes.

21. Advantages for Industrial Users

The 20F14NF082JN0NNNNN provides several practical advantages for industrial users.

It offers a high 690 VAC voltage class, substantial current capacity and a 75 kW Normal Duty rating.

Its modular architecture allows the same basic drive platform to be adapted to different machine-control requirements.

Its embedded I/O can reduce the need for some external interface components.

Communication and feedback options can allow the drive to participate in larger control systems.

The Frame 6 design provides a substantial industrial platform suitable for larger machines.

The drive is also part of a broader product family, making it easier to compare capacity levels when a project requires several different motor sizes.

22. Cabinet Installation Considerations

Because the standard configuration is open type, cabinet installation is normally required.

The cabinet should provide adequate room for:

• Drive mounting.
• Power wiring.
• Control wiring.
• Ventilation.
• Grounding.
• Maintenance.
• Cable bending.
• Heat dissipation.
• Safety clearances.

The physical drive dimensions are approximately:

665.5 mm × 308 mm × 346.4 mm.

The approximate weight is:

38.6 kg.

The cabinet should therefore be designed with an appropriate mounting structure.

The mounting hardware and supporting panel should be capable of securely supporting the drive under normal operating conditions.

23. Dimensions and Weight

Mechanical Parameter	Specification
Model	20F14NF082JN0NNNNN
Frame Size	Frame 6
Height	665.5 mm
Width	308 mm
Depth	346.4 mm
Overall Approx. Dimensions	665.5 × 308 × 346.4 mm
Weight	38.6 kg
Weight (kg)	38.6 kg
Enclosure	IP00 / NEMA/UL Type Open
Cooling	Forced Air
Mounting	Panel / Cabinet
Mounting Orientation	Vertical
Cabinet Type	Industrial Control Cabinet
Ventilation	Required
Service Clearance	Required

These dimensions are particularly useful for preliminary cabinet planning.

The actual final installation footprint should also consider mounting brackets, cable-entry space and required service clearance.

24. Complete Technical Parameter Table

Parameter	20F14NF082JN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 753
Product Type	Industrial AC Drive
Voltage Rating	690 VAC
Input Phase	3 Phase
Nominal DC Bus Class	932 VDC
Normal Duty Current	82 A
Normal Duty 60-Second Current	90 A
Normal Duty 3-Second Current	123 A
Normal Duty Power	75 kW
Heavy Duty Current	61 A
Heavy Duty 60-Second Current	92 A
Heavy Duty 3-Second Current	123 A
Heavy Duty Power	55 kW
Input Type	DC Input with Precharge
Cooling	Forced Air
Frame	Frame 6
Enclosure	IP00 / NEMA/UL Type Open
IP20 Option	Available with appropriate kit
Filtering	Filtered
CM Capacitor Jumper	Installed
Dynamic Braking	None
Internal Dynamic Braking Transistor	No
HIM	Blank / No HIM
Embedded I/O	Yes
Communication Expansion	Available
Feedback Expansion	Available
Height	665.5 mm
Width	308 mm
Depth	346.4 mm
Dimensions	665.5 × 308 × 346.4 mm
Weight	38.6 kg
Weight (kg)	38.6 kg
Installation	Industrial Control Cabinet
Cooling Clearance	Required
Service Clearance	Required
Typical Motor Class	Up to 75 kW ND
Heavy Duty Motor Class	Up to 55 kW HD
Typical Loads	Pumps, fans, conveyors, blowers, mixers, rollers and process machinery

25. Five Same-Series or Closely Related Models

The following models are useful comparisons because they are in the same PowerFlex 753 690 V family and cover nearby current and power levels.

Model	Series	Voltage	ND Current	ND Power	HD Current	HD Power	Frame	Cooling	Dimensions	Weight (kg)
20F14NF050JN0NNNNN	PowerFlex 753	690 VAC	50 A	45 kW	46 A	37 kW	6	Forced Air	Approx. 665.5 × 308 × 346.4 mm	Approx. 38.6
20F14NF061JN0NNNNN	PowerFlex 753	690 VAC	61 A	55 kW	50 A	45 kW	6	Forced Air	Approx. 665.5 × 308 × 346.4 mm	Approx. 38.6
20F14NF082JN0NNNNN	PowerFlex 753	690 VAC	82 A	75 kW	61 A	55 kW	6	Forced Air	Approx. 665.5 × 308 × 346.4 mm	Approx. 38.6
20F14NF098JN0NNNNN	PowerFlex 753	690 VAC	98 A	90 kW	82 A	75 kW	6	Forced Air	Approx. 665.5 × 308 × 346.4 mm	Approx. 38.6
20F14NF119JN0NNNNN	PowerFlex 753	690 VAC	119 A	110 kW	98 A	90 kW	6	Forced Air	Approx. 665.5 × 308 × 346.4 mm	Approx. 38.6

The 20F14NF050JN0NNNNN is a lower-capacity alternative.

The 20F14NF061JN0NNNNN is immediately below the target model and provides 55 kW Normal Duty.

The target 20F14NF082JN0NNNNN raises Normal Duty capacity to 75 kW.

The 20F14NF098JN0NNNNN provides the next major step at 90 kW Normal Duty.

The 20F14NF119JN0NNNNN moves the range further upward to 110 kW Normal Duty.

26. Same-Series Electrical Comparison

Model	ND Continuous	ND 60-Second	ND 3-Second	ND Power	HD Continuous	HD 60-Second	HD 3-Second	HD Power
20F14NF050JN0NNNNN	50 A	55 A	75 A	45 kW	46 A	69 A	83 A	37 kW
20F14NF061JN0NNNNN	61 A	67 A	92 A	55 kW	50 A	75 A	92 A	45 kW
20F14NF082JN0NNNNN	82 A	90 A	123 A	75 kW	61 A	92 A	123 A	55 kW
20F14NF098JN0NNNNN	98 A	108 A	147 A	90 kW	82 A	123 A	148 A	75 kW
20F14NF119JN0NNNNN	119 A	131 A	179 A	110 kW	98 A	147 A	179 A	90 kW

This comparison shows that the 20F14NF082JN0NNNNN occupies an important position within the product range.

It is the first model in this group to reach a 75 kW Normal Duty rating.

At the same time, its 55 kW Heavy Duty rating makes it a useful option for applications where the motor requires more demanding overload performance.

27. Five Recommended Same-Brand Popular or Related Models

The following models represent other commonly selected drive products from the same brand and can be useful when comparing different power levels and drive architectures.

Model	Series	Voltage Class	Current Class	Typical Power Class	Cooling	Construction	Approx. Dimensions	Weight (kg)
25B-D017N104	PowerFlex 525	480 VAC Class	17 A	Approx. 7.5 kW	Air Cooled	Compact	Approx. 200 × 300 × 180 mm	Approx. 5
25B-D024N104	PowerFlex 525	480 VAC Class	24 A	Approx. 11 kW	Air Cooled	Compact	Approx. 230 × 350 × 190 mm	Approx. 6–8
25B-D043N114	PowerFlex 525	480 VAC Class	43 A	Approx. 22 kW	Air Cooled	Compact / Larger Frame	Approx. 250 × 400 × 220 mm	Approx. 10–15
20F11NC043JA0NNNNN	PowerFlex 753	480 VAC Class	43 A	Approx. 22 kW	Air Cooled	Industrial	Approx. 250–300 × 500–700 × 300 mm	Approx. 30–45
20G11NC043JA0NNNNN	PowerFlex 755	480 VAC Class	43 A	Approx. 22 kW	Air Cooled	Industrial	Approx. 250–300 × 500–700 × 300 mm	Approx. 30–45

These five models are intended primarily for comparison.

They should not be considered direct replacement products for the 20F14NF082JN0NNNNN.

The most important difference is voltage class.

A 480 VAC drive cannot simply replace a 690 VAC drive because the motor voltage, current, insulation system, drive rating and electrical architecture must all be compatible.

28. PowerFlex 753 vs. PowerFlex 525

Characteristic	PowerFlex 525	PowerFlex 753
Product Position	Compact industrial drive	Architecture-class industrial drive
Typical Motor Range	Small to medium	Medium to large
Physical Size	Compact	Large
Modular Architecture	More limited	Extensive
Embedded I/O	Yes	Yes
Feedback Expansion	Application dependent	Available
Communication Expansion	Available	Extensive options
690 VAC Configuration	Not the primary range	Available
Typical Installation	Compact cabinet	Industrial cabinet
Typical Application Complexity	Basic to intermediate	Intermediate to advanced
Target Product	—	20F14NF082JN0NNNNN

The PowerFlex 525 is generally more appropriate when the machine is relatively compact and the motor power requirement is lower.

The PowerFlex 753 is better suited to larger industrial equipment and systems where additional flexibility and expansion capability are important.

29. PowerFlex 753 vs. PowerFlex 755

Characteristic	PowerFlex 753	PowerFlex 755
Primary Application	Industrial machine control	Advanced industrial machine/process control
Speed Control	Yes	Yes
Torque Control	Yes	Yes
Modular Architecture	Yes	Yes
Feedback	Available	Available
Communication	Available	Extensive
I/O Expansion	Available	Available
Safety Options	Available with suitable configuration	Available with suitable configuration
Typical Application	Industrial machinery	More advanced machinery
Complexity	Intermediate to advanced	Advanced
Target Product	20F14NF082JN0NNNNN	Related alternative

The PowerFlex 753 is a strong general-purpose architecture-class choice for industrial machinery.

The PowerFlex 755 family is generally considered when the application demands a more advanced control architecture.

30. Model Number Configuration Characteristics

The catalog number contains useful configuration information.

For the 20F14NF082JN0NNNNN, the important configuration characteristics include the 690 V drive class, the 82 A rating, the Frame 6 construction and the selected filtering and braking configuration.

The J portion indicates that the specified filtering/common-mode capacitor jumper configuration is installed.

The N in the relevant braking-position portion indicates that an internal dynamic-braking transistor is not included.

This is important because two drives that look similar from the outside can have materially different braking or filtering configurations.

31. Motor Selection

When selecting a motor for the 20F14NF082JN0NNNNN, the motor nameplate current should be treated as one of the most important selection parameters.

The kW rating alone is not sufficient.

Motor Parameter	Selection Consideration
Motor Voltage	Must match the applicable drive/system voltage
Motor Current	Must be compatible with the drive rating
Motor Power	Compare with ND and HD ratings
Motor Frequency	Verify compatibility
Motor Speed	Check required operating range
Starting Torque	Evaluate application duty
Continuous Torque	Evaluate thermal requirements
Peak Torque	Check overload requirements
Motor Type	Confirm suitable control method
Feedback	Determine whether encoder feedback is needed
Braking	Evaluate separately
Environment	Consider temperature, dust, moisture and vibration

For a 75 kW Normal Duty motor, the 20F14NF082JN0NNNNN is an appropriate model to evaluate.

For a heavily loaded 75 kW motor operating under Heavy Duty conditions, however, the Heavy Duty rating of this model is 55 kW, so a larger drive should be considered.

32. Comparing the 61 A and 82 A Models

The difference between the 20F14NF061JN0NNNNN and 20F14NF082JN0NNNNN is significant.

Parameter	20F14NF061JN0NNNNN	20F14NF082JN0NNNNN
Voltage	690 VAC	690 VAC
ND Continuous Current	61 A	82 A
ND Power	55 kW	75 kW
HD Continuous Current	50 A	61 A
HD Power	45 kW	55 kW
Frame	6	6
Cooling	Forced Air	Forced Air
Input	DC with Precharge	DC with Precharge
Dynamic Braking	None	None
Dimensions	Approx. 665.5 × 308 × 346.4 mm	Approx. 665.5 × 308 × 346.4 mm
Weight (kg)	Approx. 38.6	38.6

The 82 A model increases Normal Duty power from 55 kW to 75 kW.

It also increases Heavy Duty power from 45 kW to 55 kW.

This makes the 82 A model particularly attractive when the 61 A model is approaching its operating limit.

33. Comparing the 82 A and 98 A Models

Parameter	20F14NF082JN0NNNNN	20F14NF098JN0NNNNN
Voltage	690 VAC	690 VAC
ND Current	82 A	98 A
ND Power	75 kW	90 kW
HD Current	61 A	82 A
HD Power	55 kW	75 kW
Frame	6	6
Cooling	Forced Air	Forced Air
Input	DC with Precharge	DC with Precharge
Dynamic Braking	None	None
Approx. Dimensions	665.5 × 308 × 346.4 mm	Frame 6 class
Weight (kg)	38.6	Approx. 38.6

The 98 A model is a logical next step when the 82 A configuration is insufficient.

For a 75 kW Heavy Duty application, the 98 A configuration is particularly relevant because its Heavy Duty rating reaches approximately 75 kW.

34. Typical Industrial Control Architecture

A typical installation can be represented as:

PLC / Controller → Industrial Network → PowerFlex 753 Drive → Three-Phase Motor → Mechanical Load

The system may also include:

HMI → PLC → Drive

and, where required:

Encoder → Feedback Interface → Drive

Additional equipment may include:

• Circuit protection.
• Disconnect equipment.
• Motor protection.
• Safety equipment.
• Braking equipment.
• Control transformers.
• Cabinet cooling.
• Network equipment.
• Additional drives.

The drive therefore fits naturally into centralized industrial automation systems.

35. Typical Industries

Industry	Typical Application
Manufacturing	Large production machinery
Mining	Conveyors and material handling
Water Treatment	Pumps and circulation systems
Process Industry	Pumps, mixers and blowers
Chemical Processing	Pumps and process machinery
Food Processing	Mixers and conveyors
Material Handling	Large conveyor systems
Industrial HVAC	Fans and blowers
Power and Utilities	Pumps and auxiliary systems
General Manufacturing	Large motor-driven equipment

36. Advantages for Machine Builders

For machine builders, one of the main advantages of the 20F14NF082JN0NNNNN is its combination of high power capacity and flexible architecture.

A machine builder may have several different machine configurations requiring different motor sizes.

Because the PowerFlex 753 family contains multiple current ratings, the designer can select a drive according to the actual motor requirements while retaining a familiar drive platform.

The embedded I/O can simplify machine wiring.

Communication options can simplify PLC integration.

Feedback options can support more demanding speed-control requirements.

The modular architecture can also help reduce the need to redesign the complete control system when machine requirements change.

37. Advantages for Maintenance

A standardized industrial drive platform can also be useful from a maintenance perspective.

Maintenance personnel who work with similar drive families can become familiar with:

• Parameter structures.
• Fault information.
• Wiring concepts.
• Control methods.
• Communication architecture.
• Preventive-maintenance procedures.

This can reduce the learning curve when multiple machines use related drive configurations.

38. Important Installation Considerations

The 20F14NF082JN0NNNNN should be installed with attention to several practical factors.

First, the drive is a large Frame 6 unit with dimensions of approximately 665.5 × 308 × 346.4 mm.

Second, the drive weighs approximately 38.6 kg.

Third, the open-type enclosure means that an appropriate cabinet or enclosure is normally required.

Fourth, forced-air cooling requires proper airflow.

Fifth, the motor cables and control wiring should be routed carefully to support good electrical performance.

Sixth, grounding and EMC practices should be incorporated into the cabinet design.

Seventh, applications with significant regenerative energy need a separate braking evaluation.

39. Five Same-Series Models — Detailed Comparison

Model	Voltage	ND Current	ND Power	HD Current	HD Power	Frame	Input	Braking	Weight (kg)
20F14NF050JN0NNNNN	690 VAC	50 A	45 kW	46 A	37 kW	6	DC + Precharge	None	Approx. 38.6
20F14NF061JN0NNNNN	690 VAC	61 A	55 kW	50 A	45 kW	6	DC + Precharge	None	Approx. 38.6
20F14NF082JN0NNNNN	690 VAC	82 A	75 kW	61 A	55 kW	6	DC + Precharge	None	38.6
20F14NF098JN0NNNNN	690 VAC	98 A	90 kW	82 A	75 kW	6	DC + Precharge	None	Approx. 38.6
20F14NF119JN0NNNNN	690 VAC	119 A	110 kW	98 A	90 kW	6	DC + Precharge	None	Approx. 38.6

This group is useful for capacity planning.

The models increase progressively in output current and power, allowing a project to remain within the same general 690 V PowerFlex 753 architecture while changing the motor capacity.

40. Five Related Same-Brand Models — Detailed Comparison

Model	Series	Voltage Class	Output Current	Power Class	Application Level	Cooling	Approx. Weight (kg)
25B-D017N104	PowerFlex 525	480 VAC Class	17 A	Approx. 7.5 kW	Compact machinery	Air Cooled	Approx. 5
25B-D024N104	PowerFlex 525	480 VAC Class	24 A	Approx. 11 kW	Compact machinery	Air Cooled	Approx. 6–8
25B-D043N114	PowerFlex 525	480 VAC Class	43 A	Approx. 22 kW	Medium machinery	Air Cooled	Approx. 10–15
20F11NC043JA0NNNNN	PowerFlex 753	480 VAC Class	43 A	Approx. 22 kW	Industrial machinery	Forced Air	Approx. 30–45
20G11NC043JA0NNNNN	PowerFlex 755	480 VAC Class	43 A	Approx. 22 kW	Advanced industrial machinery	Forced Air	Approx. 30–45

These products cover a wide range of industrial applications.

The PowerFlex 525 models are more compact and are generally better suited to smaller machines.

The PowerFlex 753 and PowerFlex 755 models are more appropriate when the machine requires a larger industrial drive architecture.

The 20F14NF082JN0NNNNN, however, remains the appropriate choice among this comparison group when a 690 VAC, 82 A, 75 kW Normal Duty configuration is required.

41. Product Advantages Summary

Advantage	Practical Value
82 A Output	Supports substantial industrial motor loads
75 kW Normal Duty	Suitable for larger industrial machines
55 kW Heavy Duty	Useful for higher-demand applications
690 VAC	Suitable for high-voltage industrial motors
Frame 6	Large industrial mechanical platform
Forced-Air Cooling	Supports high-power operation
Embedded I/O	Simplifies basic control integration
Modular Design	Allows application-specific expansion
Feedback Options	Supports more accurate control
Communication Options	Supports PLC and automation integration
DC Input with Precharge	Suitable for common-bus architectures
Filtered Configuration	Supports electrical-noise management
Industrial Construction	Suitable for demanding machinery
Wide Family Range	Easy capacity comparison within the same platform

42. Complete Product Summary

Category	20F14NF082JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 753
Family	PowerFlex 750-Series
Product Type	Industrial AC Drive
Voltage	690 VAC
Phase	Three Phase
Normal Duty Current	82 A
Normal Duty Power	75 kW
Heavy Duty Current	61 A
Heavy Duty Power	55 kW
ND 60-Second Current	90 A
ND 3-Second Current	123 A
HD 60-Second Current	92 A
HD 3-Second Current	123 A
Input	DC Input with Precharge
DC Bus Class	932 VDC nominal
Frame	6
Cooling	Forced Air
Enclosure	IP00 / NEMA/UL Open
Filtering	Filtered
CM Jumper	Installed
Dynamic Braking	None
Internal Braking Transistor	No
HIM	Blank / No HIM
Embedded I/O	Yes
Height	665.5 mm
Width	308 mm
Depth	346.4 mm
Dimensions	665.5 × 308 × 346.4 mm
Weight	38.6 kg
Weight (kg)	38.6 kg
Installation	Industrial Control Cabinet
Typical Applications	Pumps, fans, conveyors, blowers, mixers, rollers and process machinery

43. Overall Product Evaluation

The 20F14NF082JN0NNNNN is a high-capacity industrial AC drive intended for substantial three-phase motor-control applications.

Its core electrical specification is 690 VAC, 82 A Normal Duty, 75 kW Normal Duty, 61 A Heavy Duty and 55 kW Heavy Duty.

This places the model in a significantly higher power class than compact variable-frequency drives.

The model is particularly attractive for applications where the motor needs variable speed, controlled acceleration, controlled deceleration and integration into an industrial automation system.

The 75 kW Normal Duty rating makes it a strong candidate for larger pumps, fans, conveyors, blowers, mixers and process machines.

The 55 kW Heavy Duty rating makes it useful for demanding applications, provided the actual motor load remains within the Heavy Duty rating.

The 690 VAC voltage class is another important advantage.

It allows the drive to be used with higher-voltage industrial motor systems and makes it suitable for many large motor installations.

The Frame 6 construction gives the product a substantial industrial form factor.

Its approximate dimensions of 665.5 × 308 × 346.4 mm and approximate weight of 38.6 kg should be considered carefully during cabinet design.

The drive requires suitable mechanical support and sufficient ventilation.

Because the standard construction is open type, an appropriate industrial enclosure should normally be provided.

The forced-air cooling system also means that cabinet airflow and thermal management should be considered from the beginning of the electrical design.

Another important point is the absence of an internal dynamic-braking transistor in this particular configuration.

If the machine contains a large rotating mass or requires rapid stopping, the braking requirements should therefore be evaluated separately.

From a system-design perspective, the PowerFlex 753 architecture is one of the product’s strongest advantages.

The drive can be used for relatively straightforward speed-control applications, but it can also be integrated into more advanced systems through suitable I/O, communication and feedback options.

For applications around 75 kW Normal Duty, the 20F14NF082JN0NNNNN is a logical model within the 690 VAC PowerFlex 753 range.

For applications around 55 kW Normal Duty, the 61 A model may be more appropriate.

For applications around 90 kW Normal Duty, the 98 A model provides the next capacity level.

For applications around 110 kW Normal Duty, the 119 A model becomes a suitable higher-capacity comparison.

In practical terms, the 20F14NF082JN0NNNNN can be summarized as a 690 VAC, three-phase, 82 A, 75 kW Normal Duty / 55 kW Heavy Duty, Frame 6 industrial AC drive with forced-air cooling, DC input with precharge, filtered configuration, common-mode capacitor jumper installed, embedded I/O and modular PowerFlex 753 architecture.

It is especially suitable for large pumps, industrial fans, blowers, conveyors, material-handling equipment, mixers, rollers, process machinery and other large motor-driven industrial systems where dependable variable-speed control and flexible automation integration are required.