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Allen-Bradley 20F14NF263JN0NNNNN — Detailed Product Specifications, Introduction, Applications, Advantages and Related Models

1. Product Overview

The Allen-Bradley 20F14NF263JN0NNNNN is a high-power industrial AC drive belonging to the PowerFlex 753 series and the broader PowerFlex 750-Series family.

It is designed for large three-phase motor applications where conventional low-power variable-frequency drives are no longer sufficient. With a 263 A Normal Duty output rating and a 250 kW Normal Duty power rating, this model is intended for substantial industrial machinery, large pumps, fans, blowers, conveyors, rollers, process equipment, and other high-power motor-driven systems.

The model is rated for 690 VAC, three-phase operation and uses a Frame 7 mechanical construction. It is an air-cooled, open-type drive designed for installation in an appropriate industrial electrical enclosure.

The catalog number also identifies several configuration details. The drive uses DC input with precharge, has a filtered configuration, has the common-mode capacitor jumper installed, has no internal dynamic-braking transistor, and is supplied with a blank/no-HIM configuration.

The 263 A model is one of the higher-capacity configurations in the 690 VAC PowerFlex 753 common-bus range. Its Normal Duty rating reaches 250 kW, while its Heavy Duty rating is 212 A / 200 kW.

This makes the 20F14NF263JN0NNNNN particularly suitable for applications where high motor current, high power, controlled acceleration, adjustable speed, automation integration, and robust industrial construction are required.

2. Brand and Product Classification

Category	Specification
Model	20F14NF263JN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 753
Product Type	High-Power AC Drive
Drive Type	Variable Frequency AC Drive
Sub-Brand	PowerFlex
Configuration	753 AC Packaged Drive
Voltage Class	690 VAC
Phase	Three Phase
Mechanical Frame	Frame 7
Cooling	Air Cooled / Forced Air
Enclosure	Open Type
Input Configuration	DC Input with Precharge
Application Class	Industrial Architecture-Class Drive

The PowerFlex 753 series is intended for industrial machinery where the drive is not simply being used as a basic speed controller, but as part of a larger automation system.

The platform is well suited to applications involving PLC control, HMI operation, industrial communications, feedback, process control, multiple motors, and coordinated machine operation.

The 20F14NF263JN0NNNNN represents a high-power configuration within this platform and is intended for large motors and substantial industrial loads.

3. Complete Basic Parameter Table

Parameter	Specification
Model	20F14NF263JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 753
Family	PowerFlex 750-Series
Product Type	Industrial AC Drive
Voltage Rating	690 VAC
Phase	3 Phase
Normal Duty Current	263 A
Normal Duty Power	250 kW
Heavy Duty Current	212 A
Heavy Duty Power	200 kW
Normal Duty 1-Minute Current	289 A
Normal Duty 3-Second Current	395 A
Heavy Duty 1-Minute Current	318 A
Heavy Duty 3-Second Current	395 A
Input Type	DC Input with Precharge
DC Bus Class	Approximately 932 VDC
Frame Size	Frame 7
Cooling	Forced Air
Enclosure	IP00 / NEMA/UL Type Open
IP20 / Type 1 Conversion	Available with suitable optional enclosure kit
Filtering	Filtered
CM Capacitor Jumper	Installed
Dynamic Braking	None
Internal Dynamic-Braking Transistor	No
HIM	Blank / No HIM
Embedded I/O	Yes
Protection	Standard Protection
Approx. Height	881.5 mm
Approx. Width	430 mm
Approx. Depth	349.6 mm
Approx. Dimensions	881.5 × 430 × 349.6 mm
Approx. Product Weight	Approximately 72.6–108.9 kg class
Weight (kg)	Approx. 72.6–108.9 kg
Mounting	Panel / Industrial Cabinet
Cooling Type	Forced Air
Typical Application	Large industrial motor systems

4. Electrical Rating

The primary electrical rating of the 20F14NF263JN0NNNNN is 263 A Normal Duty.

Its Normal Duty power rating is 250 kW.

The Heavy Duty rating is 212 A, corresponding to 200 kW.

These ratings make this model considerably more powerful than the 171 A and 212 A configurations in the same 690 VAC product range.

Electrical Rating	Normal Duty	Heavy Duty
Model	20F14NF263JN0NNNNN	20F14NF263JN0NNNNN
Voltage	690 VAC	690 VAC
Phase	3 Phase	3 Phase
Continuous Output Current	263 A	212 A
1-Minute Output Current	289 A	318 A
3-Second Output Current	395 A	395 A
Power Rating	250 kW	200 kW
Frame	7	7
Cooling	Forced Air	Forced Air
Dynamic Braking	None	None

The difference between Normal Duty and Heavy Duty is important when selecting the drive for an actual machine.

Normal Duty is generally associated with applications where the motor load and overload profile remain within the corresponding Normal Duty requirements.

Heavy Duty is more appropriate when the machine requires greater torque capability or experiences more demanding acceleration and overload conditions.

5. 250 kW Normal Duty Capacity

The 250 kW Normal Duty rating is one of the most important characteristics of the 20F14NF263JN0NNNNN.

A drive in this power range is intended for large industrial motors.

Typical applications can include:

• Large centrifugal pumps.
• Large cooling-water pumps.
• Industrial ventilation fans.
• Large process blowers.
• Heavy conveyors.
• Large rollers.
• Material-handling systems.
• Industrial mixers.
• Process machinery.
• Production-line equipment.
• Large auxiliary machinery.

The 250 kW rating should not be interpreted as an automatic motor-size recommendation.

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

Motor voltage, current, power factor, efficiency, overload characteristics, duty cycle and operating conditions should all be considered during final selection.

6. 200 kW Heavy Duty Capacity

The Heavy Duty rating is 212 A / 200 kW.

This is especially useful for machines that require greater torque or more demanding acceleration characteristics.

Potential Heavy Duty applications include:

• Heavy conveyors.
• High-inertia rollers.
• Large mixers.
• Agitators.
• Process machinery.
• Material-handling equipment.
• High-load production machinery.
• Machinery with frequent acceleration.

The Heavy Duty selection should always be based on the actual motor current and the machine’s real operating cycle rather than the nominal motor kW alone.

7. 690 VAC Three-Phase System

The 20F14NF263JN0NNNNN is designed for a 690 VAC three-phase electrical system.

This voltage class is particularly relevant to large industrial motors.

At high motor power levels, operating at a higher voltage can help keep current within a practical range for the plant’s electrical distribution system.

A 690 VAC installation can affect the design of:

• Transformers.
• Switchgear.
• Motor starters.
• Protection devices.
• Motor cables.
• Cable glands.
• Grounding.
• Electrical clearances.
• Distribution panels.
• Motor insulation.

The drive should therefore be considered as part of a complete high-power electrical system rather than as an isolated component.

8. DC Input with Precharge

The 20F14NF263JN0NNNNN uses a DC input with precharge configuration.

The associated common-bus DC voltage class is approximately 932 VDC.

This configuration is useful when the drive forms part of a DC-bus power architecture.

A precharge arrangement manages the initial charging of the DC-bus capacitors when the system is energized.

This is particularly important for high-power systems because the DC bus contains substantial stored energy.

9. Common-Bus Applications

The drive can be used in a common-bus architecture where multiple power-conversion units share a DC bus.

A simplified arrangement can be represented as:

AC Power System → Rectifier / DC Bus → Drive Power Section → Motor

For a multi-drive machine, the architecture can include:

AC Supply → Common DC Bus → Drive 1 → Motor 1

Common DC Bus → Drive 2 → Motor 2

Common DC Bus → Drive 3 → Motor 3

This type of arrangement can be useful for large machines with several coordinated motor loads.

Examples include:

• Production lines.
• Material-handling systems.
• Large conveyor systems.
• Processing machinery.
• Multiple-pump installations.
• Multi-motor manufacturing equipment.

10. Dynamic Braking Configuration

The exact catalog number 20F14NF263JN0NNNNN specifies no dynamic braking.

More specifically, the configuration does not include an internal dynamic-braking transistor.

This is an important detail when designing the machine’s deceleration system.

The absence of an internal braking transistor means that an external braking architecture should not be assumed to be directly available from the standard drive configuration.

If the machine produces significant regenerative energy during deceleration, the braking strategy must be evaluated separately.

11. Regenerative Energy Considerations

Large motors can store considerable mechanical energy.

When a large motor is rapidly decelerated, some of that energy can be returned to the DC bus.

This can cause DC-bus voltage to rise.

The issue becomes more significant when the machine has:

• High inertia.
• High rotational speed.
• Heavy moving loads.
• Frequent stopping.
• Rapid acceleration and deceleration.
• Long conveyors.
• Large rollers.
• Flywheels.
• High-inertia process equipment.

Possible engineering approaches can include:

• Longer deceleration times.
• External braking equipment.
• Regenerative power systems.
• Mechanical braking.
• Alternative drive configurations.
• Modified machine sequencing.

The correct solution depends on the actual mechanical system and its stopping requirements.

12. Frame 7 Construction

The 20F14NF263JN0NNNNN uses a Frame 7 mechanical platform.

Frame 7 is intended for high-power applications.

The approximate open-type mechanical dimensions are:

Height: 881.5 mm

Width: 430 mm

Depth: 349.6 mm

The approximate overall envelope is therefore:

881.5 × 430 × 349.6 mm.

Mechanical Parameter	Specification
Model	20F14NF263JN0NNNNN
Frame	Frame 7
Height	Approx. 881.5 mm
Width	Approx. 430 mm
Depth	Approx. 349.6 mm
Dimensions	Approx. 881.5 × 430 × 349.6 mm
Enclosure	IP00 / NEMA/UL Type Open
Cooling	Forced Air
Mounting	Cabinet / Panel
Weight (kg)	Approx. 72.6–108.9 kg
Installation	Industrial Enclosure

The weight range should be understood as a Frame 7 product-weight class rather than a guarantee that every physical configuration has exactly the same shipping or installed weight.

For cabinet fabrication, lifting equipment, transportation and final installation, the exact supplied configuration should be checked against its mechanical documentation.

13. Dimensions and Weight

Dimension / Weight	Value
Model	20F14NF263JN0NNNNN
Frame	7
Height	881.5 mm
Width	430 mm
Depth	349.6 mm
Overall Dimensions	881.5 × 430 × 349.6 mm
Weight (kg)	Approx. 72.6–108.9 kg
Enclosure	Open Type
Cooling	Forced Air
Installation	Industrial Cabinet
Cabinet Access	Required
Ventilation	Required
Maintenance Clearance	Required

The dimensions are suitable for planning purposes.

The actual installation also needs room for:

• Power cables.
• Motor cables.
• Control cables.
• Communication modules.
• Grounding connections.
• Ventilation.
• Service access.
• Cooling airflow.
• Optional accessories.

The cabinet should therefore be considerably larger than the bare drive envelope.

14. Open-Type Enclosure

The standard configuration uses an IP00 / NEMA/UL Type Open construction.

This means the drive is normally installed inside a suitable industrial enclosure.

The external enclosure should be selected according to the environmental conditions.

Depending on the application, the cabinet may need protection from:

• Dust.
• Moisture.
• Oil.
• Chemical contamination.
• Foreign objects.
• Accidental contact.
• Mechanical impact.
• Excessive humidity.

The enclosure design must also maintain suitable airflow around the drive.

15. IP20 / Type 1 Conversion

Frame 7 open-type drives can be incorporated into a more protected enclosure arrangement using an appropriate optional enclosure solution.

A suitable enclosure can provide additional protection for personnel and equipment.

However, the final enclosure rating depends on the entire cabinet assembly.

Door openings, ventilation openings, cable entries, filters and other cabinet penetrations must all be considered when determining the final enclosure protection level.

16. Forced-Air Cooling

The 20F14NF263JN0NNNNN uses forced-air cooling.

At a 250 kW Normal Duty rating, thermal management is a major part of the installation design.

The cooling airflow must remain unobstructed.

Potential airflow restrictions can be caused by:

• Cable bundles.
• Cabinet partitions.
• Filters.
• Incorrectly positioned accessories.
• Other drives.
• Transformers.
• Structural components.

Cooling Parameter	Specification
Model	20F14NF263JN0NNNNN
Cooling Type	Forced Air
Cabinet Ventilation	Required
Airflow	Must remain unobstructed
Fan Inspection	Required
Cabinet Temperature	Must remain within allowable limits
Heat Dissipation	Must be calculated
Multiple Drives	Combined thermal load must be considered
Maintenance	Cooling system should be inspected periodically

For large industrial cabinets, thermal design should be completed before the cabinet is manufactured.

17. Filtering and Common-Mode Configuration

The catalog number specifies a filtered configuration.

The common-mode capacitor jumper is also installed.

These characteristics should be considered when planning:

• Grounding.
• Motor-cable routing.
• Cable shielding.
• EMC.
• Motor insulation.
• Long motor cables.
• Sensitive instrumentation.
• Control wiring.

The drive should be installed using appropriate electrical practices for high-power variable-frequency drive systems.

18. Embedded I/O

The PowerFlex 753 architecture provides embedded I/O for integration with the surrounding machine.

Typical control signals can include:

• Start command.
• Stop command.
• Enable.
• Run status.
• Fault status.
• Warning status.
• Digital input signals.
• Digital output signals.
• Analog reference signals.
• Analog feedback signals.

Embedded I/O can simplify basic machine integration without requiring every signal to be handled through additional external interface hardware.

19. Blank / No HIM Configuration

The catalog number specifies a blank / no HIM configuration.

The drive therefore does not come with a local Human Interface Module as part of this particular catalog configuration.

This can be appropriate when the drive is primarily controlled by:

• PLC.
• HMI.
• Industrial network.
• Remote operator station.
• Supervisory control system.
• Central machine controller.

For a cabinet-mounted installation, a blank configuration can be practical when local keypad operation is not required.

20. Motor Control Capability

The PowerFlex 753 platform is designed for industrial motor control applications requiring adjustable speed and flexible control.

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

• Volts-per-Hertz.
• Sensorless vector control.
• Vector control.
• Speed control.
• Torque control.
• Feedback-based control.
• Encoder-related applications.

The best control method depends on the actual load.

A centrifugal pump has very different requirements from a high-inertia conveyor, large mixer or precision roller.

21. Application — Large Pumps

Large pumps are among the most suitable applications for this drive.

Potential applications include:

• Water circulation.
• Cooling-water systems.
• Process-fluid transfer.
• Industrial water treatment.
• Large utility pumps.
• Process pumping.
• Water supply systems.
• Industrial cooling.

Variable-speed operation allows the motor to operate according to process demand.

The drive can provide controlled acceleration and adjustable operating speed.

22. Application — Large Fans

Large industrial fans can require motors in the 100 kW to 300 kW range.

Typical applications include:

• Furnace fans.
• Process ventilation.
• Industrial exhaust.
• Large cooling systems.
• Combustion-air systems.
• Dust collection.
• Industrial HVAC.
• Process-air systems.

The 250 kW Normal Duty capacity gives the drive substantial headroom for large fan systems, provided the actual motor current and duty requirements remain within the applicable ratings.

23. Application — Large Blowers

Large blowers are another suitable application.

Potential uses include:

• Wastewater aeration.
• Pneumatic conveying.
• Process air.
• Industrial drying.
• Dust collection.
• Furnace air.
• Chemical processing.
• Manufacturing processes.

The drive can provide adjustable blower speed according to actual process requirements.

24. Application — Heavy Conveyors

Heavy conveyors often have demanding starting requirements.

Large conveyor systems may require substantial torque during startup, especially when fully loaded.

The drive can provide controlled acceleration rather than applying full motor speed immediately.

Potential applications include:

• Mining.
• Cement.
• Aggregate processing.
• Steel.
• Bulk material handling.
• Manufacturing.
• Industrial logistics.

Important engineering factors include:

• Starting torque.
• Conveyor inertia.
• Load distribution.
• Acceleration time.
• Deceleration time.
• Regenerative energy.
• Mechanical braking.

Because the target model has no internal dynamic-braking transistor, the stopping system should be evaluated separately when rapid deceleration is required.

25. Application — Large Rollers

Large rollers are used in continuous-production industries.

Examples include:

• Steel processing.
• Paper manufacturing.
• Printing.
• Packaging.
• Web handling.
• Material processing.
• Continuous production lines.

Roller systems may require accurate speed control and synchronization.

The PowerFlex 753 architecture can be integrated into a larger control system where multiple motors must work together.

26. Application — Mixers

Large industrial mixers can impose high starting torque.

The load can change significantly as material enters or leaves the mixing vessel.

Potential applications include:

• Chemical processing.
• Food processing.
• Industrial materials.
• Batch processing.
• Manufacturing.
• Process tanks.

Heavy Duty selection may be appropriate when the mixer requires high starting torque or experiences substantial load changes.

27. Application — Agitators

Large agitators are used in process tanks and vessels.

Applications can include:

• Chemical processing.
• Water treatment.
• Industrial blending.
• Manufacturing.
• Process-fluid systems.
• Batch production.

Controlled motor speed can help the process operate more consistently.

28. Application — Material Handling

High-power material-handling systems can use several large motors.

The PowerFlex 753 platform is suitable for installations where drives must operate together.

Typical equipment includes:

• Conveyors.
• Transfer systems.
• Bulk material handling.
• Production transport.
• Industrial logistics.
• Sorting systems.
• Processing equipment.

The drive’s automation integration capability can be useful when motor control is coordinated with the overall production system.

29. Application — Process Machinery

The 20F14NF263JN0NNNNN can be used on large process machines requiring adjustable motor speed.

Potential equipment includes:

• Large production machinery.
• Process lines.
• Industrial pumps.
• Large fans.
• Blowers.
• Rollers.
• Mixers.
• Auxiliary machinery.

The 263 A current rating gives this model considerable capacity for large industrial motors.

30. Main Product Advantages

30.1 263 A Normal Duty Current

The 263 A Normal Duty output current is the defining feature of this model.

It allows the drive to control motors requiring significantly more current than the 212 A configuration.

30.2 250 kW Normal Duty

The 250 kW Normal Duty rating makes this model suitable for very large continuous-duty machinery.

This is particularly valuable in applications where a 200 kW drive is no longer sufficient.

30.3 212 A Heavy Duty

The 212 A Heavy Duty rating provides substantial current capacity for demanding applications.

30.4 200 kW Heavy Duty

The 200 kW Heavy Duty rating makes the drive useful for high-torque machinery where the load is more demanding than a typical Normal Duty application.

30.5 690 VAC Operation

The 690 VAC rating makes the model appropriate for large industrial motor systems.

It is especially useful where the plant already uses 690 VAC motors.

30.6 Frame 7 Architecture

The Frame 7 construction is designed for high-power industrial operation.

It provides the physical platform required for a drive of this electrical capacity.

30.7 DC Input with Precharge

The DC-input configuration provides flexibility for common-bus systems.

Precharge is particularly important for managing the initial charging of the high-energy DC bus.

30.8 Embedded I/O

Embedded I/O simplifies basic machine integration.

It allows common control and status signals to be handled within the drive architecture.

30.9 Expandable Industrial Architecture

The PowerFlex 753 platform supports application-specific expansion.

This makes the drive more adaptable than a simple fixed-function variable-frequency drive.

31. Advantages for Large Industrial Systems

The 20F14NF263JN0NNNNN combines:

• 263 A Normal Duty current.
• 250 kW Normal Duty power.
• 212 A Heavy Duty current.
• 200 kW Heavy Duty power.
• 690 VAC operation.
• Frame 7 construction.
• Forced-air cooling.
• Embedded I/O.
• DC input with precharge.
• Filtered configuration.
• Expandable industrial architecture.

This combination makes it appropriate for substantial industrial motor systems.

32. Advantages for System Integrators

A typical automation architecture can be arranged as:

PLC → Industrial Network → PowerFlex 753 → Motor

The drive can exchange information with the control system.

Typical information includes:

• Commanded speed.
• Actual speed.
• Current.
• Drive status.
• Fault status.
• Warning status.
• Operating condition.
• Control confirmation.

This makes the drive suitable for integration into larger automated production systems.

33. Advantages for Maintenance

Standardized industrial drive architecture can simplify maintenance activities.

Typical maintenance tasks include:

• Fan inspection.
• Airflow inspection.
• Filter inspection.
• Power-terminal inspection.
• Grounding inspection.
• Motor-cable inspection.
• Communication inspection.
• Parameter verification.
• Fault-history review.

A preventive-maintenance schedule can help identify problems before they result in production downtime.

34. Complete Technical Specification

Technical Parameter	20F14NF263JN0NNNNN
Brand	Allen-Bradley
Family	PowerFlex 750-Series
Series	PowerFlex 753
Product Type	High-Power Industrial AC Drive
Voltage	690 VAC
Phase	3 Phase
Normal Duty Current	263 A
Normal Duty Power	250 kW
ND 1-Minute Current	289 A
ND 3-Second Current	395 A
Heavy Duty Current	212 A
Heavy Duty Power	200 kW
HD 1-Minute Current	318 A
HD 3-Second Current	395 A
Input	DC Input with Precharge
DC Bus Class	Approx. 932 VDC
Frame	7
Cooling	Forced Air
Enclosure	IP00 / NEMA/UL Type Open
Filtering	Filtered
CM Jumper	Installed
Dynamic Braking	None
Internal DB Transistor	None
HIM	Blank / No HIM
Embedded I/O	Yes
Protection	Standard
Height	Approx. 881.5 mm
Width	Approx. 430 mm
Depth	Approx. 349.6 mm
Dimensions	Approx. 881.5 × 430 × 349.6 mm
Weight (kg)	Approx. 72.6–108.9 kg
Cooling Type	Forced Air
Mounting	Industrial Cabinet
Normal Duty Class	250 kW
Heavy Duty Class	200 kW

35. Five Recommended Same-Series Models

The following models are closely related 690 VAC PowerFlex 753 configurations.

They provide a useful selection range around the target 263 A model.

Model	Series	Voltage	ND Current	ND Power	HD Current	HD Power	Frame	Dynamic Braking	Approx. Dimensions	Weight (kg)
20F14NF119JN0NNNNN	PowerFlex 753	690 VAC	119 A	110 kW	98 A	90 kW	6	None	665.5 × 308 × 346.4 mm class	Approx. 38.6
20F14NF142JN0NNNNN	PowerFlex 753	690 VAC	142 A	132 kW	119 A	110 kW	6	None	665.5 × 308 × 346.4 mm class	Approx. 38.6
20F14NF171JN0NNNNN	PowerFlex 753	690 VAC	171 A	160 kW	142 A	132 kW	7	None	881.5 × 430 × 349.6 mm class	Approx. 72.6–108.9
20F14NF212JN0NNNNN	PowerFlex 753	690 VAC	212 A	200 kW	171 A	160 kW	7	None	881.5 × 430 × 349.6 mm class	Approx. 72.6–108.9
20F14NF263JN0NNNNN	PowerFlex 753	690 VAC	263 A	250 kW	212 A	200 kW	7	None	881.5 × 430 × 349.6 mm class	Approx. 72.6–108.9

These models form a logical high-power selection range.

The 119 A configuration provides 110 kW Normal Duty.

The 142 A configuration provides 132 kW.

The 171 A configuration provides 160 kW.

The 212 A configuration provides 200 kW.

The target 263 A configuration provides 250 kW.

36. Same-Series Electrical Comparison

Model	ND Current	ND Power	HD Current	HD Power	Frame	Voltage
20F14NF119JN0NNNNN	119 A	110 kW	98 A	90 kW	6	690 VAC
20F14NF142JN0NNNNN	142 A	132 kW	119 A	110 kW	6	690 VAC
20F14NF171JN0NNNNN	171 A	160 kW	142 A	132 kW	7	690 VAC
20F14NF212JN0NNNNN	212 A	200 kW	171 A	160 kW	7	690 VAC
20F14NF263JN0NNNNN	263 A	250 kW	212 A	200 kW	7	690 VAC

The target model is the largest electrical rating in this five-model comparison.

Its 263 A Normal Duty rating is 51 A higher than the 212 A model.

Its Normal Duty power increases from 200 kW to 250 kW.

Its Heavy Duty power increases from 160 kW to 200 kW.

37. 20F14NF212JN0NNNNN vs. 20F14NF263JN0NNNNN

Parameter	20F14NF212JN0NNNNN	20F14NF263JN0NNNNN
Voltage	690 VAC	690 VAC
ND Current	212 A	263 A
ND Power	200 kW	250 kW
HD Current	171 A	212 A
HD Power	160 kW	200 kW
Frame	7	7
Cooling	Forced Air	Forced Air
Input	DC + Precharge	DC + Precharge
Filtering	Filtered	Filtered
CM Jumper	Installed	Installed
Dynamic Braking	None	None
Approx. Dimensions	881.5 × 430 × 349.6 mm class	881.5 × 430 × 349.6 mm
Weight (kg)	Approx. 72.6–108.9	Approx. 72.6–108.9

The main difference between these two models is electrical capacity.

The 263 A model provides an additional 51 A Normal Duty current.

Normal Duty power increases by 50 kW, from 200 kW to 250 kW.

Heavy Duty power also increases by 40 kW, from 160 kW to 200 kW.

38. 20F14NF171JN0NNNNN vs. 20F14NF263JN0NNNNN

Parameter	20F14NF171JN0NNNNN	20F14NF263JN0NNNNN
Voltage	690 VAC	690 VAC
ND Current	171 A	263 A
ND Power	160 kW	250 kW
HD Current	142 A	212 A
HD Power	132 kW	200 kW
Frame	7	7
Cooling	Forced Air	Forced Air
Dynamic Braking	None	None
Approx. Dimensions	881.5 × 430 × 349.6 mm class	881.5 × 430 × 349.6 mm
Weight (kg)	Approx. 72.6–108.9	Approx. 72.6–108.9

The 263 A model provides a major increase in current capacity over the 171 A model.

Normal Duty power increases from 160 kW to 250 kW.

Heavy Duty power increases from 132 kW to 200 kW.

Both models use the Frame 7 platform.

39. 20F14NF142JN0NNNNN vs. 20F14NF263JN0NNNNN

Parameter	20F14NF142JN0NNNNN	20F14NF263JN0NNNNN
Voltage	690 VAC	690 VAC
ND Current	142 A	263 A
ND Power	132 kW	250 kW
HD Current	119 A	212 A
HD Power	110 kW	200 kW
Frame	6	7
Cooling	Forced Air	Forced Air
Dynamic Braking	None	None
Approx. Dimensions	665.5 × 308 × 346.4 mm class	881.5 × 430 × 349.6 mm
Weight (kg)	Approx. 38.6	Approx. 72.6–108.9

The difference is substantial.

The 263 A model almost doubles the Normal Duty power capability compared with the 142 A configuration.

The larger Frame 7 construction is appropriate for the higher power level.

40. 20F14NF263JN0NNNNN vs. Higher-Capacity Architecture

The 263 A configuration is already a high-power industrial drive.

For applications that require more than 263 A, a different architecture or larger drive family may need to be considered.

At that point, the engineer should evaluate:

• Motor current.
• Motor voltage.
• Motor power.
• Overload.
• Starting torque.
• Regenerative energy.
• Required acceleration.
• Required deceleration.
• Cabinet space.
• Cooling requirements.
• Power-distribution capacity.

41. Five Same-Brand Popular or Related Models

The following models provide useful comparisons across different drive sizes and PowerFlex families.

They are related products rather than direct electrical substitutes for the 690 VAC 263 A model.

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

These products cover a much wider range of motor sizes.

The PowerFlex 525 models are much smaller and are intended for compact industrial machinery.

The PowerFlex 753 model is closer to the target product in terms of industrial architecture.

The PowerFlex 755 model is another high-function industrial drive family suitable for applications requiring advanced control and integration.

42. Same-Brand Model Comparison

Feature	25B-D017N104	25B-D024N104	25B-D043N114	20F11NC043JA0NNNNN	20G11NC043JA0NNNNN
Series	PowerFlex 525	PowerFlex 525	PowerFlex 525	PowerFlex 753	PowerFlex 755
Voltage Class	480 VAC	480 VAC	480 VAC	480 VAC	480 VAC
Current Class	17 A	24 A	43 A	43 A	43 A
Approx. Power	7.5 kW	11 kW	22 kW	22 kW	22 kW
Product Size	Compact	Compact	Medium	Large	Large
Typical Application	Small Machinery	Small Machinery	Medium Machinery	Industrial Machinery	Advanced Machinery
Embedded I/O	Yes	Yes	Yes	Yes	Yes
Approx. Dimensions	200 × 300 × 180 mm	230 × 350 × 190 mm	250 × 400 × 220 mm	Frame Dependent	Frame Dependent
Weight (kg)	Approx. 5	Approx. 6–8	Approx. 10–15	Approx. 30–45	Approx. 30–45

These models should not be treated as direct substitutes for the 20F14NF263JN0NNNNN.

The target drive operates in the 690 VAC / 263 A / 250 kW Normal Duty class, while the listed comparison models are generally lower-power and/or different voltage-class products.

43. PowerFlex 525 Compared with PowerFlex 753

Characteristic	PowerFlex 525	PowerFlex 753
Product Position	Compact Industrial Drive	Architecture-Class Industrial Drive
Typical Power	Small to Medium	Medium to Very Large
Physical Size	Compact	Large
690 VAC Class	Not the primary range	Available
Embedded I/O	Yes	Yes
Expansion	More Limited	Extensive
Feedback Options	Application Dependent	Available
Communication	Available	Extensive Options
Cabinet Requirement	Smaller	Larger
Main Target	Compact Machinery	Large Industrial Machinery

The PowerFlex 525 is generally more appropriate when physical size and moderate motor power are the main concerns.

The PowerFlex 753 becomes more attractive when the motor becomes significantly larger or when the machine requires a more sophisticated architecture.

44. PowerFlex 753 Compared with PowerFlex 755

Characteristic	PowerFlex 753	PowerFlex 755
Industrial Motor Control	Yes	Yes
High-Power Applications	Yes	Yes
Speed Control	Yes	Yes
Torque Control	Yes	Yes
Feedback Options	Available	Available
Communication Options	Available	Extensive
I/O Expansion	Available	Available
Safety Options	Available with suitable configuration	Available with suitable configuration
Typical Application	Industrial Machinery	Advanced Industrial Machinery
Target Model	20F14NF263JN0NNNNN	Related Alternative

The PowerFlex 753 is a strong choice for large industrial machinery.

The PowerFlex 755 family can be considered when the application calls for a more advanced control architecture or additional application functionality.

45. Motor Selection Parameters

The motor should always be selected using actual nameplate information.

Motor Parameter	Selection Consideration
Drive Model	20F14NF263JN0NNNNN
Motor Voltage	Compatible with 690 VAC system
Motor Current	Must remain within applicable drive rating
Motor Power	Compare with 250 kW ND / 200 kW HD
Motor Frequency	Verify application
Motor Speed	Verify operating range
Starting Torque	Evaluate
Continuous Torque	Evaluate
Peak Torque	Evaluate
Motor Efficiency	Consider
Power Factor	Consider
Motor Type	Verify compatibility
Feedback	Determine whether required
Braking	Evaluate regenerative energy
Motor Cable	Evaluate length and installation
Environment	Evaluate temperature, dust, humidity and vibration

The drive should be selected primarily by motor current and duty requirement.

Motor kW alone is not sufficient for final selection.

46. Why Motor Current Is Important

Two motors with the same nominal power can have different current requirements.

Differences can result from:

• Motor voltage.
• Efficiency.
• Power factor.
• Motor speed.
• Motor construction.
• Duty class.
• Temperature.
• Operating conditions.

For the 20F14NF263JN0NNNNN, the critical selection values are:

263 A Normal Duty.

212 A Heavy Duty.

The motor’s actual nameplate current should be compared with these ratings.

47. Application Selection Table

Application	Suitability	Main Engineering Consideration
Large centrifugal pump	Excellent	Normal Duty
Large industrial fan	Excellent	Normal Duty
Large blower	Excellent	Airflow and process demand
Heavy conveyor	Excellent	Starting torque
Large roller	Excellent	Inertia and speed control
Large mixer	Very Good	Starting torque
Agitator	Very Good	Torque profile
Process machinery	Excellent	Automation integration
Material handling	Excellent	Acceleration / deceleration
High-inertia equipment	Good with proper braking design	Regenerative energy
Rapid-cycle machinery	Application dependent	Braking and thermal load
Large production line	Excellent	Multi-drive coordination

48. Typical Industries

Industry	Typical Applications
Mining	Large conveyors and material handling
Metals	Rollers and process machinery
Steel	Large process motors
Cement	Conveyors, fans and process equipment
Paper	Rollers and production lines
Chemical Processing	Pumps, mixers and agitators
Water Treatment	Pumps and blowers
Manufacturing	Large production machines
Food Processing	Mixers and conveyors
Industrial HVAC	Large fans and blowers
Utilities	Pumps and auxiliary systems
Material Handling	Conveyors and transfer systems
Process Industry	Pumps, fans, blowers and mixers

49. Typical High-Power Control Architecture

A representative machine can use the following arrangement:

690 VAC Power System

↓

Protection and Distribution

↓

20F14NF263JN0NNNNN

↓

690 VAC Motor

↓

Mechanical Load

The automation system can operate in parallel:

HMI

↓

PLC / Controller

↓

Industrial Network

↓

PowerFlex 753

↓

Motor Control

The drive can provide operational information back to the control system.

This makes it possible to monitor motor operation as part of the overall production process.

50. Cabinet Design

Because the drive is a Frame 7 high-power unit, cabinet design must be completed carefully.

The approximate drive dimensions are:

881.5 mm high × 430 mm wide × 349.6 mm deep.

The weight is approximately:

72.6–108.9 kg class.

The cabinet should also provide additional space for:

• Input wiring.
• Motor wiring.
• DC-bus connections.
• Control wiring.
• Communication modules.
• Grounding.
• Cooling airflow.
• Maintenance.
• Service access.
• Optional accessories.

A cabinet should not be sized only around the drive body.

51. Electrical Installation Considerations

The high-power 690 VAC rating requires careful electrical engineering.

The installation should consider:

• Input protection.
• DC-bus wiring.
• Motor output wiring.
• Grounding.
• Cable shielding.
• Cable separation.
• Motor insulation.
• EMC.
• Control wiring.
• Communication wiring.
• Electrical clearances.

The motor cable routing should also be considered during the cabinet layout process.

52. Thermal Management

Thermal management is one of the most important installation considerations for a 250 kW drive.

The cabinet designer should calculate the total heat load from:

• The drive.
• Cooling fans.
• Contactors.
• Transformers.
• Power supplies.
• Other drives.
• Control equipment.

If several high-power drives are installed in the same enclosure, their combined thermal load must be calculated.

The cooling system should prevent hot air from recirculating into the drive’s air intake.

53. Maintenance Recommendations

A preventive-maintenance program should include:

• Cooling-fan inspection.
• Airflow inspection.
• Cabinet filter inspection.
• Power-terminal inspection.
• Grounding inspection.
• Motor-cable inspection.
• Communication inspection.
• Fault-history review.
• Parameter verification.
• Temperature monitoring.

Dust and contamination should be controlled because they can reduce cooling efficiency.

Power connections should also be checked periodically according to the plant’s maintenance procedures.

54. Product Advantages at a Glance

Advantage	Practical Benefit
263 A Normal Duty	Supports very large motors
250 kW Normal Duty	High continuous-power capability
212 A Heavy Duty	Supports demanding torque applications
200 kW Heavy Duty	Suitable for heavy industrial machinery
690 VAC	Designed for large industrial motor systems
Frame 7	High-power mechanical platform
Forced-Air Cooling	Supports high-power operation
DC Input with Precharge	Useful for DC-bus architectures
Filtered Configuration	Supports electrical-noise management
CM Jumper Installed	Defined common-mode configuration
Embedded I/O	Simplifies machine integration
Expandable Architecture	Allows application-specific expansion
Industrial Communication	Supports PLC and automation integration
Feedback Capability	Supports advanced motor control
No Internal DB Transistor	Appropriate where internal dynamic braking is not required
PowerFlex 753 Platform	Suitable for large industrial machinery

55. Recommended Same-Series Selection

Motor Requirement	Recommended Model
Approx. 110 kW ND	20F14NF119JN0NNNNN
Approx. 132 kW ND	20F14NF142JN0NNNNN
Approx. 160 kW ND	20F14NF171JN0NNNNN
Approx. 200 kW ND	20F14NF212JN0NNNNN
Approx. 250 kW ND	20F14NF263JN0NNNNN
Approx. 110 kW HD	20F14NF142JN0NNNNN
Approx. 132 kW HD	20F14NF171JN0NNNNN
Approx. 160 kW HD	20F14NF212JN0NNNNN
Approx. 200 kW HD	20F14NF263JN0NNNNN

This progression makes the 263 A model the logical selection at the top of this particular 690 VAC PowerFlex 753 group.

56. Why the 263 A Model Is Important

The 20F14NF263JN0NNNNN represents a major high-power configuration in the 690 VAC PowerFlex 753 range.

Its primary ratings are:

263 A Normal Duty.

250 kW Normal Duty.

212 A Heavy Duty.

200 kW Heavy Duty.

These ratings make it suitable for large motors where a 200 kW Normal Duty drive is not sufficient.

The model also retains the Frame 7 industrial architecture used by the 171 A and 212 A configurations.

57. Frame 7 Advantages

Frame 7 provides a mechanical platform suitable for high-power drive applications.

It accommodates the requirements associated with:

• High-current power sections.
• High-power connections.
• Forced-air cooling.
• Large motor cables.
• Industrial cabinet installation.
• Service access.

For large industrial equipment, the Frame 7 platform provides a practical physical foundation for high-power motor control.

58. Braking Requirements for High-Inertia Equipment

Large industrial machines can store significant mechanical energy.

This is particularly true for:

• Large conveyors.
• Large rollers.
• High-speed fans.
• Flywheel systems.
• Mixers.
• Agitators.
• Process equipment.

The engineer should determine:

• Maximum speed.
• Motor inertia.
• Load inertia.
• Required stopping time.
• Number of stops per hour.
• Regenerative energy.
• Required braking torque.
• Mechanical brake requirements.

The lack of an internal dynamic-braking transistor in the target configuration makes this analysis particularly important for applications requiring rapid stopping.

59. Pump Application Advantages

For large pump systems, the drive can provide:

• Adjustable speed.
• Controlled acceleration.
• Controlled stopping.
• Process integration.
• Remote monitoring.
• Flexible operating points.

A variable-speed pump can respond to process demand instead of operating continuously at one fixed speed.

The actual operating strategy depends on the pump type and process requirements.

60. Fan Application Advantages

Large fans and blowers can benefit from variable-speed control.

The drive can adjust speed according to:

• Airflow demand.
• Pressure.
• Process conditions.
• Production requirements.
• Temperature.
• Ventilation demand.

The 250 kW Normal Duty rating makes the model appropriate for large industrial fan systems when the motor current is within the applicable drive rating.

61. Conveyor Application Advantages

For large conveyors, controlled acceleration can reduce mechanical stress.

The drive can gradually accelerate the motor instead of immediately applying full operating speed.

Potential benefits include reduced stress on:

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

Stopping performance must also be evaluated because heavy conveyor loads can produce substantial regenerative energy.

62. Process Machinery Advantages

Large process machines can benefit from the combination of high motor capacity and automation integration.

The drive can perform the motor-control function while the PLC manages the process sequence.

This creates a practical architecture:

PLC = Process Control

Drive = Motor Control

Motor = Mechanical Power

HMI = Operator Interface

63. Maintenance and Reliability

Long-term reliability depends heavily on the installation environment.

Important factors include:

• Temperature.
• Airflow.
• Dust.
• Humidity.
• Electrical connections.
• Grounding.
• Motor cable condition.
• Cabinet ventilation.
• Cooling-fan condition.

A clean, properly ventilated cabinet can significantly improve the operating environment for high-power electronic equipment.

64. Five Same-Series Models — Detailed Recommendation

Model	Voltage	ND Current	ND Power	HD Current	HD Power	Frame	Cooling	Dynamic Braking	Approx. Dimensions	Weight (kg)
20F14NF119JN0NNNNN	690 VAC	119 A	110 kW	98 A	90 kW	6	Forced Air	None	665.5 × 308 × 346.4 mm class	Approx. 38.6
20F14NF142JN0NNNNN	690 VAC	142 A	132 kW	119 A	110 kW	6	Forced Air	None	665.5 × 308 × 346.4 mm class	Approx. 38.6
20F14NF171JN0NNNNN	690 VAC	171 A	160 kW	142 A	132 kW	7	Forced Air	None	881.5 × 430 × 349.6 mm class	Approx. 72.6–108.9
20F14NF212JN0NNNNN	690 VAC	212 A	200 kW	171 A	160 kW	7	Forced Air	None	881.5 × 430 × 349.6 mm class	Approx. 72.6–108.9
20F14NF263JN0NNNNN	690 VAC	263 A	250 kW	212 A	200 kW	7	Forced Air	None	881.5 × 430 × 349.6 mm	Approx. 72.6–108.9

The five models provide a practical progression for 690 VAC motor selection.

The target model is the highest-current configuration in this group.

It provides a 250 kW Normal Duty rating and a 200 kW Heavy Duty rating.

65. Five Same-Brand Popular or Related Models

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

These five models are useful for comparison because they represent different levels of industrial motor control.

The PowerFlex 525 models are more compact and are normally selected for smaller machinery.

The PowerFlex 753 model is more appropriate for larger industrial systems.

The PowerFlex 755 model provides another advanced industrial-drive option.

66. Important Substitution Consideration

The five related models above should not be treated as direct electrical replacements for the 20F14NF263JN0NNNNN.

The target drive is:

690 VAC

263 A Normal Duty

250 kW Normal Duty

212 A Heavy Duty

200 kW Heavy Duty

The comparison models generally use a lower voltage class and significantly lower current ratings.

A substitution should therefore be evaluated using:

• Motor voltage.
• Motor current.
• Motor power.
• Duty class.
• Overload.
• Control method.
• Communication.
• Braking.
• Physical dimensions.
• Cabinet arrangement.

67. Final Technical Summary

Category	20F14NF263JN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 753
Product Type	High-Power Industrial AC Drive
Voltage	690 VAC
Phase	3 Phase
Normal Duty Current	263 A
Normal Duty Power	250 kW
ND 1-Minute Current	289 A
ND 3-Second Current	395 A
Heavy Duty Current	212 A
Heavy Duty Power	200 kW
HD 1-Minute Current	318 A
HD 3-Second Current	395 A
Input	DC Input with Precharge
DC Bus Class	Approx. 932 VDC
Frame	7
Cooling	Forced Air
Enclosure	IP00 / NEMA/UL Type Open
Filtering	Filtered
CM Jumper	Installed
Dynamic Braking	None
Internal DB Transistor	None
HIM	Blank / No HIM
Embedded I/O	Yes
Protection	Standard
Height	Approx. 881.5 mm
Width	Approx. 430 mm
Depth	Approx. 349.6 mm
Dimensions	Approx. 881.5 × 430 × 349.6 mm
Weight (kg)	Approx. 72.6–108.9 kg
Mounting	Industrial Cabinet
Cooling	Forced Air
Main Applications	Large pumps, fans, blowers, conveyors, rollers, mixers and process machinery
Normal Duty Class	250 kW
Heavy Duty Class	200 kW

68. Overall Product Evaluation

The Allen-Bradley 20F14NF263JN0NNNNN is a high-power PowerFlex 753 industrial AC drive designed for large three-phase motor systems.

Its primary rating is 263 A Normal Duty, corresponding to 250 kW Normal Duty.

Its Heavy Duty rating is 212 A / 200 kW.

This makes the model particularly suitable for large motors that exceed the capacity of the 171 A and 212 A configurations in the same 690 VAC series.

The 690 VAC voltage class is well suited to large industrial motor systems.

The Frame 7 mechanical platform provides a high-power physical architecture, with approximate dimensions of 881.5 × 430 × 349.6 mm.

The weight is in the approximate 72.6–108.9 kg Frame 7 product-weight class, depending on the physical configuration and associated components.

The drive uses forced-air cooling, so thermal management should be considered an essential part of the cabinet design.

The open-type construction means that the drive should normally be installed inside an appropriate industrial enclosure.

The DC input with precharge configuration makes the unit particularly relevant to common-bus applications.

The filtered configuration and installed common-mode capacitor jumper should be taken into account when designing grounding, motor-cable routing and electrical-noise control.

Embedded I/O provides a practical interface for machine-control signals.

The PowerFlex 753 architecture also allows the drive to be incorporated into larger automation systems using communications, feedback and other application-specific functions.

One important characteristic of the exact model is the absence of an internal dynamic-braking transistor.

This means that high-inertia applications requiring rapid stopping should receive special attention during system design.

Large conveyors, rollers, mixers and other high-inertia machines may require an external braking or regenerative strategy.

For pumps, fans and blowers, where controlled acceleration and relatively gradual deceleration are often acceptable, the configuration can be particularly useful.

The most important electrical ratings are:

263 A Normal Duty.

250 kW Normal Duty.

212 A Heavy Duty.

200 kW Heavy Duty.

690 VAC, three phase.

These figures should be compared with the motor nameplate and the actual machine duty cycle before final selection.

For a motor around 250 kW Normal Duty, this model is a strong candidate when the actual motor current and operating conditions remain within the applicable drive ratings.

For a motor around 200 kW Heavy Duty, it can provide substantial capacity for demanding industrial machinery when the motor current, torque requirements and overload profile are appropriate.

Compared with the 20F14NF212JN0NNNNN, the target model increases Normal Duty current from 212 A to 263 A and Normal Duty power from 200 kW to 250 kW.

It also increases Heavy Duty capacity from 171 A / 160 kW to 212 A / 200 kW.

This makes the 20F14NF263JN0NNNNN the natural high-capacity choice when the 212 A model does not provide enough motor-current margin.

In practical terms, the 20F14NF263JN0NNNNN is best understood as a 690 VAC, three-phase, 263 A, 250 kW Normal Duty / 200 kW Heavy Duty, Frame 7, forced-air-cooled PowerFlex 753 industrial AC drive with DC input and precharge, filtered configuration, common-mode capacitor jumper installed, embedded I/O, blank/no-HIM configuration and no internal dynamic-braking transistor.

Its combination of high current capacity, high motor-power capability, 690 VAC operation, industrial architecture, embedded I/O and expandable control functionality makes it a strong solution for large motor-driven industrial systems.

For large pumps, fans, blowers, conveyors, rollers, mixers, agitators, material-handling systems and process machinery, it provides a high-capacity drive platform intended for demanding industrial environments.

When selecting the final drive, the most important checks remain the motor nameplate current, motor voltage, Normal Duty or Heavy Duty classification, acceleration requirements, deceleration requirements, regenerative energy, cabinet dimensions, cooling requirements and overall electrical-system compatibility.