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Allen-Bradley 20G14TC567JN0NNNNN PowerFlex 755 AC Drive — Detailed Product Specifications, Applications, Advantages, and Related Models

1. Product Overview

The Allen-Bradley 20G14TC567JN0NNNNN is a high-power PowerFlex 755 air-cooled AC drive designed for demanding industrial motor-control applications where high current capacity, common-DC-bus operation, reliable speed control, and integration with industrial automation systems are important.

This model belongs to the PowerFlex 755 family within the broader PowerFlex 750-Series range. It is a large-frame industrial drive intended for applications substantially above the power range normally associated with compact machine drives. Its 567 A Normal Duty rating places it in the high-capacity section of the PowerFlex 755 range.

The drive is configured for 400 VAC, three-phase systems and uses a DC input with precharge. This makes it particularly suitable for common-DC-bus architectures, regenerative systems, multi-drive installations, and large industrial machines where several drive sections may share a common DC power system.

The model provides three principal current-duty classifications:

• 612 A Light Duty
• 567 A Normal Duty
• 472 A Heavy Duty

The corresponding power ratings are approximately:

• 355 kW Light Duty
• 315 kW Normal Duty
• 250 kW Heavy Duty

This combination makes the drive particularly useful for large motors and heavy industrial loads that require substantial continuous current.

The unit uses forced-air cooling and is constructed as an Open Type / Frame 8 drive. Because of its physical size and electrical capacity, installation normally involves a properly engineered industrial enclosure, appropriate ventilation, suitable protection equipment, and careful consideration of cable routing, grounding, heat dissipation, and DC-bus protection.

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2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 755
Product Type	Air-Cooled AC Drive
Model / Catalog Number	20G14TC567JN0NNNNN
Drive Category	High-Power Industrial AC Drive
Cooling Method	Forced Air
Input Configuration	DC Input with Precharge
Voltage Class	400 VAC
Phase	3 Phase
Frame	Frame 8
Enclosure Construction	Open Type
Communication	Embedded EtherNet/IP
Human Interface Module	Blank / No HIM
Dynamic Braking	None
EMC / CM Configuration	Filtered, CM Jumper Installed

The PowerFlex 755 series is intended for applications where a standard small or medium-duty variable-frequency drive is not sufficient. It is particularly well suited to large industrial machinery, process equipment, material-handling systems, pumps, fans, compressors, conveyors, and other high-power motor loads.

The PowerFlex 755 architecture also provides a modular approach to control, feedback, communication, and application-specific functionality. Depending on the installation, additional option modules can be incorporated to meet encoder-feedback, I/O, communication, safety, or specialized control requirements.

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3. Complete Technical Parameter Table

Parameter	Specification
Model / Part Number	20G14TC567JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	Air-Cooled AC Drive
Voltage Class	400 VAC
Input Phase	3 Phase
Input Type	DC Input with Precharge
Nominal DC Input Class	540 VDC
Light Duty Current	612 A
Light Duty Power	355 kW
Normal Duty Current	567 A
Normal Duty Power	315 kW
Heavy Duty Current	472 A
Heavy Duty Power	250 kW
Frame Size	Frame 8
Enclosure	Open Type
Cooling	Forced Air
Dynamic Braking	None
Internal Braking Transistor	Not included
Internal Braking Resistor	Not included
Filtering	Filtered
CM Jumper	Installed
Human Interface Module	Blank / No HIM
Embedded Communication	EtherNet/IP
Operating Temperature	Approximately 0 to 50 °C, configuration dependent
Relative Humidity	Approximately 5 to 95%, non-condensing
Storage Temperature	Approximately -40 to +70 °C
Approx. Dimensions	2145 × 778 × 421 mm
Approx. Weight	162 kg
Installation Type	Industrial enclosure / open-frame installation
Typical Application	Large industrial motor control
DC Bus Application	Common DC Bus
Typical Motor Power Range	Up to approximately 315 kW ND
Drive Duty	Light Duty / Normal Duty / Heavy Duty
Control Platform	PowerFlex 750-Series architecture

The dimensions and weight above should be treated as approximate physical reference values for the Frame 8 drive configuration. Final cabinet dimensions, mounting arrangements, ducts, terminals, option modules, and associated equipment can change the overall installation footprint.

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4. Electrical Rating

The most important characteristic of the 20G14TC567JN0NNNNN is its high current capability.

The drive is rated at 567 A under Normal Duty, corresponding to approximately 315 kW. For applications with different load profiles, the drive can also be selected according to Light Duty or Heavy Duty requirements.

Duty Rating	Continuous Output Current	Approx. Power Rating
Light Duty	612 A	355 kW
Normal Duty	567 A	315 kW
Heavy Duty	472 A	250 kW

The distinction between these ratings is important when selecting a drive for a real machine.

A motor that appears to be within the 315 kW range may still require a larger drive if it experiences frequent acceleration, overload conditions, high starting torque, repeated starts and stops, or other demanding operating cycles.

For a relatively smooth load such as a large fan or pump, the Light Duty rating may be applicable.

For general industrial applications, the 567 A / 315 kW Normal Duty rating is the most useful reference point.

For high-torque applications with significant overload requirements, the 472 A / 250 kW Heavy Duty rating should be considered rather than simply selecting the drive based on motor nameplate horsepower or kilowatts.

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5. 400 VAC Three-Phase Configuration

The 20G14TC567JN0NNNNN is intended for a 400 VAC, three-phase industrial electrical system.

This voltage class is widely used in industrial installations, particularly in regions where 380–415 VAC three-phase distribution is common.

The drive’s voltage class should always be matched to the actual electrical system and the motor requirements.

A 400 VAC class drive is not simply interchangeable with every 480 VAC, 575 VAC, or 690 VAC PowerFlex configuration. The DC bus voltage, insulation requirements, motor operating voltage, protective devices, and overall system design all need to be considered.

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6. DC Input with Precharge

One of the defining characteristics of the 20G14TC567JN0NNNNN is its DC input with precharge configuration.

This makes the drive especially useful in common-DC-bus systems.

Rather than treating each drive as a completely independent AC-fed device, a common-DC-bus architecture can distribute DC power among multiple drive sections.

This arrangement is particularly attractive when several motors operate as part of the same machine or process.

For example, a production line might have:

• A large conveyor motor
• A material-feeding motor
• A take-up motor
• A winder motor
• A process-roll motor
• Several auxiliary motors

Instead of creating completely independent power structures for each drive, the system can use a common DC power architecture where appropriate.

The integrated precharge arrangement is important because large DC-link capacitors cannot simply be connected to a high-energy DC source without controlled charging.

Precharge limits the initial charging current and helps protect the DC bus components and associated power system.

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7. Common DC Bus Applications

The 20G14TC567JN0NNNNN is particularly appropriate for large common-DC-bus installations.

Common applications include:

Application	Typical Reason for Using Common DC Bus
Steel processing	Multiple coordinated motor sections
Metal processing	Energy sharing between drives
Winding systems	Controlled energy flow between motor sections
Printing machinery	Multiple synchronized axes
Paper machinery	Coordinated rolls and sections
Large conveyors	Multiple drive sections
Cranes	Shared DC architecture and coordinated motion
Material handling	Multiple high-power motor groups
Process lines	Centralized DC distribution
Large machine tools	Coordinated high-power axes

A common DC bus can also make it possible for energy generated by one motor during deceleration to be used by another motor, depending on the overall system architecture.

That can be particularly useful in machinery containing both motoring and generating sections.

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8. Filtering and CM Jumper Configuration

The J configuration in the requested catalog number indicates the default configuration with the filter installed and CM jumper installed.

This is an important distinction when comparing the model with similar catalog numbers.

For example, the following two catalog numbers can have very similar current and power ratings while differing in their filtering/CM configuration:

20G14TC567JN0NNNNN

and

20G14TC567AN0NNNNN

The J configuration is the preferred configuration with the filter and common-mode jumper installed.

This can be advantageous in installations where electromagnetic compatibility and conducted-noise management are important considerations.

The final EMC arrangement should nevertheless be evaluated against the motor cable length, motor type, grounding arrangement, installation environment, cabinet construction, and applicable electrical requirements.

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9. Dynamic Braking Configuration

The 20G14TC567JN0NNNNN is specified with:

• No dynamic braking option
• No internal braking transistor
• No internal braking resistor

This does not mean that the drive cannot be used in applications requiring controlled deceleration.

It means that the selected catalog configuration does not include the internal dynamic-braking hardware.

If an application has substantial regenerative energy, rapid deceleration requirements, or a load that tends to drive the motor during deceleration, the system designer may need to consider an external braking solution, regenerative architecture, or a different drive configuration.

Typical examples include:

• High-inertia machinery
• Large rotating drums
• Heavy conveyors
• Hoisting systems
• Centrifugal equipment
• Large fans
• High-speed process machinery

For high-inertia systems, braking should be evaluated early during system design rather than added after the drive has already been selected.

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10. Mechanical Specifications

The drive is a Frame 8 PowerFlex 755 configuration.

Mechanical Parameter	Approximate Specification
Model / Part Number	20G14TC567JN0NNNNN
Frame	8
Construction	Open Type
Height	Approximately 2145 mm
Width	Approximately 778 mm
Depth	Approximately 421 mm
Approx. Weight	Approximately 162 kg
Cooling	Forced Air
Installation	Industrial cabinet / enclosure
Mounting	Heavy-duty industrial mounting arrangement

The size of this drive is significantly larger than compact PowerFlex drives intended for smaller motors.

A height of roughly 2.1 meters means that cabinet planning is an important part of the installation.

The drive should not be treated like a small wall-mounted VFD.

The installation needs to provide sufficient room for:

• Power connections
• DC bus connections
• Control wiring
• Communication wiring
• Cooling air
• Maintenance access
• Cable bending radius
• Grounding conductors
• Protective equipment
• Associated cabinet components

For Frame 8–10 installations, specialized handling equipment may also be necessary during cabinet installation and power wiring work.

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11. Weight and Handling

At approximately 162 kg, the drive is a substantial piece of industrial electrical equipment.

This weight should be considered when designing the cabinet frame, mounting structure, floor support, lifting procedure, and service access.

The drive should be moved using suitable industrial lifting and handling equipment.

During installation, the weight of the drive is only part of the overall cabinet load. The completed system can become considerably heavier after adding:

• Input equipment
• DC bus equipment
• Disconnects
• Fuses
• Contactors
• Busbars
• Control transformers
• Cooling equipment
• Cable ducts
• Terminal assemblies
• Communication equipment
• Additional drives

Consequently, cabinet structural calculations should be based on the complete installation rather than the drive alone.

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12. Cooling and Thermal Management

The 20G14TC567JN0NNNNN uses forced-air cooling.

At this power level, thermal management is a major part of reliable operation.

Power electronics generate heat during normal operation. Although modern power semiconductor technology is highly efficient, a 300-kW-class industrial drive can still produce a significant amount of thermal energy.

The cabinet therefore needs an appropriate air-management strategy.

Important considerations include:

• Cooling airflow
• Cabinet temperature
• Air inlet location
• Exhaust air path
• Filter condition
• Fan condition
• Ambient temperature
• Cabinet heat accumulation
• Separation of hot and cool air
• Maintenance access to cooling components

Blocked airflow can increase internal temperature and reduce component life.

Regular inspection of the cooling path is therefore particularly important for large drives.

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13. Environmental Characteristics

The typical operating environment for this model is approximately:

Environmental Parameter	Typical Value
Operating Temperature	0 to 50 °C
Relative Humidity	5 to 95%, non-condensing
Storage Temperature	-40 to +70 °C
Cooling	Forced Air
Installation Environment	Industrial
Enclosure	Open Type

The actual permissible temperature and derating requirements should always be considered together with the final configuration.

Temperature has a direct influence on the thermal stress experienced by power semiconductors, capacitors, fans, control electronics, and other internal components.

For high-power equipment, maintaining a stable cabinet environment can be just as important as selecting the correct current rating.

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14. Embedded EtherNet/IP Communication

The model includes embedded EtherNet/IP communication.

This is a major advantage for industrial automation systems because it allows the drive to participate directly in an Ethernet-based control architecture.

Typical functions can include:

• Drive command control
• Speed reference
• Status monitoring
• Fault monitoring
• Parameter access
• Diagnostic information
• Process integration
• PLC-based drive control

For a modern production line, this can greatly simplify the relationship between the drive and the machine-control system.

Instead of relying entirely on hardwired signals, important drive information can be exchanged through the industrial network.

For large installations containing several PowerFlex drives, networked communication can also make diagnostics and centralized monitoring more practical.

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15. Human Interface Module Configuration

The catalog configuration is listed as:

Blank / No HIM

This means the drive is not supplied with an integrated human-interface module in the requested catalog configuration.

For a cabinet-mounted industrial system, this can be useful because the control interface can be located remotely or integrated into the machine’s operator interface.

Depending on the final application, an installation may use:

• Remote HIM
• HMI panel
• PLC-based control
• SCADA system
• Industrial Ethernet
• Local maintenance interface

The absence of a built-in HIM does not prevent the drive from being fully controlled and monitored.

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16. Main Industrial Applications

The 20G14TC567JN0NNNNN is most appropriate for high-power industrial equipment.

Its 567 A Normal Duty rating makes it suitable for applications where smaller drives would not provide sufficient continuous current.

Common application areas include:

1. Large pumps
2. Large industrial fans
3. Heavy conveyors
4. Mining equipment
5. Cement and aggregate equipment
6. Steel-processing machinery
7. Metal-processing lines
8. Paper and pulp machinery
9. Large process machinery
10. Material-handling equipment
11. Large compressors
12. Industrial production lines
13. Large machine systems
14. Common-DC-bus installations
15. High-power multi-drive systems

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17. Application: Large Pumps

Large pumps are one of the most natural applications for a high-power AC drive.

Variable-speed control allows pump speed to be adjusted according to process demand.

This can be valuable in:

• Water treatment
• Industrial water systems
• Cooling-water systems
• Mining slurry systems
• Process plants
• Irrigation systems
• Chemical process systems
• Large circulation systems

Compared with running a large motor continuously at fixed speed and regulating flow through mechanical throttling, variable-speed control can provide more flexible process management.

The actual energy savings depend heavily on the pump system, operating point, piping characteristics, and control strategy.

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18. Application: Large Fans

Large industrial fans can also benefit from variable-frequency speed control.

Examples include:

• Industrial ventilation
• Furnace fans
• Kiln fans
• Dust-collection systems
• Mine ventilation
• Cooling towers
• Process exhaust systems
• Air-handling equipment

Fan applications can have very large motor ratings, making the 20G14TC567JN0NNNNN appropriate where the required current falls within its ratings.

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19. Application: Conveyors

Heavy conveyors can require substantial motor torque, particularly during acceleration.

The PowerFlex 755 architecture is suitable for large conveyor systems where controlled acceleration, speed regulation, and communication with a larger control system are important.

Potential applications include:

• Mining conveyors
• Bulk-material conveyors
• Port equipment
• Aggregate conveyors
• Cement plants
• Steel plants
• Warehouse material handling
• Heavy production lines

When conveyors are very long, multi-drive arrangements may be used.

In these situations, coordinated control between several drives can become more important than the rating of an individual motor.

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20. Application: Mining

Mining equipment places demanding requirements on motor-control systems.

Applications can include:

• Ore conveyors
• Crushers
• Pumps
• Fans
• Material-handling systems
• Processing equipment
• Ventilation systems
• Large rotating machinery

The PowerFlex 755 platform is well suited to industrial environments where high motor power, communication, diagnostics, and sophisticated control are required.

However, the exact environmental protection level must always be determined from the complete system design because the requested drive is an open-type configuration rather than a complete environmentally sealed enclosure.

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21. Application: Cement and Aggregate

Cement and aggregate plants contain many large motors.

Typical equipment includes:

• Crushers
• Conveyors
• Fans
• Pumps
• Mills
• Feeders
• Material-handling systems
• Dust-control equipment

The 20G14TC567JN0NNNNN can be particularly useful for high-power motor sections within these systems.

The forced-air cooling arrangement also makes proper cabinet ventilation especially important in dusty industrial environments.

The drive itself should be installed in an appropriately engineered enclosure or electrical room environment suitable for the surrounding conditions.

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22. Application: Steel and Metal Processing

Steel and metal processing systems often require multiple high-power motors operating in coordination.

Typical examples include:

• Rolling equipment
• Material handling
• Strip processing
• Cooling systems
• Large fans
• Pumps
• Processing rolls
• Winding systems

A common-DC-bus architecture can be particularly attractive in systems where different motor sections alternate between motoring and regenerative operation.

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23. Application: Paper and Pulp Machinery

Paper machines can contain many coordinated motor sections.

For example:

• Roll drives
• Dryer sections
• Feed systems
• Winding systems
• Pumps
• Fans
• Material-handling equipment

Speed synchronization and stable control can be very important because variations in motor speed can affect the final product.

The PowerFlex 755 platform provides a scalable architecture for these kinds of high-power industrial systems.

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24. Application: Material Handling

Large material-handling systems can require high motor torque and accurate speed regulation.

Possible applications include:

• Bulk material handling
• Port equipment
• Conveyor transfer systems
• Storage systems
• Heavy-duty lifting-related machinery
• Industrial transportation systems

The embedded industrial Ethernet capability is useful when drive operation needs to be coordinated with PLCs, sensors, HMI systems, and supervisory controls.

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25. Main Product Advantages

25.1 High Current Capacity

The biggest advantage is the 567 A Normal Duty rating.

This makes the drive suitable for large motors and heavy industrial loads that are beyond the practical range of compact drives.

The 612 A Light Duty rating also provides additional capacity for suitable load profiles.

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25.2 High Power Capability

The Normal Duty rating reaches approximately 315 kW.

This allows one drive to control a large motor without requiring multiple smaller drives solely to achieve the required current capacity.

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25.3 Common DC Bus Capability

The DC-input configuration is particularly useful in common-DC-bus architectures.

This can simplify power distribution in large multi-drive systems and can potentially improve energy utilization when regenerative and motoring loads operate together.

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25.4 Embedded EtherNet/IP

Built-in industrial Ethernet communication makes integration with automation systems easier.

For large plants, centralized monitoring can reduce troubleshooting time because drive status and diagnostic information can be made available through the control network.

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25.5 Modular PowerFlex Architecture

The PowerFlex 755 platform is designed around a modular architecture.

This allows different installations to be configured according to their control and feedback requirements rather than forcing every application into exactly the same hardware arrangement.

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25.6 Multiple Duty Ratings

The three duty ratings provide useful flexibility:

Duty	Current	Power
Light Duty	612 A	355 kW
Normal Duty	567 A	315 kW
Heavy Duty	472 A	250 kW

This allows engineers to evaluate the drive according to the actual load profile instead of relying only on motor nameplate power.

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25.7 Filter and CM Jumper Installed

The J configuration includes the filter and CM jumper installed.

This is useful for applications where EMC considerations are important.

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25.8 Large Industrial Application Range

The same PowerFlex 755 architecture can be applied across many industrial sectors.

This makes it easier for companies operating multiple plants to standardize drive platforms and maintenance procedures.

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26. Advantages for System Integrators

For system integrators, the 20G14TC567JN0NNNNN provides several practical benefits.

The high current rating makes it suitable for large machine sections without resorting to a collection of smaller drives.

The embedded EtherNet/IP capability also simplifies integration with modern control architectures.

The common-DC-bus input arrangement provides additional flexibility for multi-drive systems.

Another advantage is standardization.

If a plant already uses other PowerFlex 755 drives, maintenance personnel may already be familiar with the programming structure, communications architecture, option modules, and diagnostic philosophy.

This can reduce the learning curve during system commissioning.

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27. Advantages for OEM Machine Builders

For OEMs, the PowerFlex 755 platform can be attractive because it can be adapted to a wide range of large machine designs.

The same general platform can support different combinations of:

• Motor ratings
• Feedback systems
• Communication requirements
• I/O requirements
• Safety requirements
• Braking requirements
• Cabinet arrangements

This can reduce the need to create a completely different control architecture for every machine size.

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28. Advantages for Plant Operators

For plant operators, the most important benefit is reliable and controllable motor operation.

A large industrial motor can represent a significant portion of a plant’s electrical and mechanical system.

A properly selected drive can provide:

• Controlled acceleration
• Controlled deceleration
• Adjustable operating speed
• Motor protection functions
• Process monitoring
• Fault information
• Network diagnostics
• Better coordination between machine sections

These functions can be particularly valuable for large production systems where unexpected motor downtime can have a major operational impact.

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29. Five Recommended Models from the Same TC Series

The following models are closely related PowerFlex 755 common-DC-bus, 400 VAC-class Frame 8 configurations.

Model / Part Number	Voltage Class	Light Duty	Normal Duty	Heavy Duty	Frame	Input
20G14TC460JN0NNNNN	400 VAC	540 A / 315 kW	460 A / 250 kW	385 A / 200 kW	8	DC Input with Precharge
20G14TC540JN0NNNNN	400 VAC	585 A / 315 kW	540 A / 315 kW	456 A / 250 kW	8	DC Input with Precharge
20G14TC567JN0NNNNN	400 VAC	612 A / 355 kW	567 A / 315 kW	472 A / 250 kW	8	DC Input with Precharge
20G14TC650JN0NNNNN	400 VAC	750 A / 400 kW	650 A / 355 kW	540 A / 315 kW	8	DC Input with Precharge
20G14TC750JN0NNNNN	400 VAC	796 A / 450 kW	750 A / 400 kW	585 A / 315 kW	8	DC Input with Precharge

All five are useful reference points when selecting a high-power drive.

The 460 A version is appropriate when the motor current is significantly below the 567 A level.

The 540 A version provides a step below the requested model while retaining substantial 315 kW capability.

The 567 A version is a useful middle point for applications requiring around 315 kW Normal Duty.

The 650 A and 750 A models provide additional capacity when the application requires greater motor current or a larger motor.

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30. Mechanical Comparison of the Same Series

Model / Part Number	Frame	Approx. Height	Approx. Width	Approx. Depth	Approx. Weight
20G14TC460JN0NNNNN	8	2145 mm	778 mm	421 mm	~162 kg
20G14TC540JN0NNNNN	8	2145 mm	778 mm	421 mm	~162 kg
20G14TC567JN0NNNNN	8	2145 mm	778 mm	421 mm	~162 kg
20G14TC650JN0NNNNN	8	2145 mm	778 mm	421 mm	~162 kg
20G14TC750JN0NNNNN	8	2145 mm	778 mm	421 mm	~162 kg

The physical dimensions are approximately the same across these Frame 8 configurations, while the electrical capacity changes.

This is important when planning a system because increasing drive current does not necessarily mean the cabinet must be redesigned from scratch, although thermal loading, bus capacity, protective devices, cables, and other components must be recalculated.

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31. Five Related PowerFlex 755 Models

For installations using higher-voltage systems, the following PowerFlex 755 models are useful related references.

Model / Part Number	Voltage	Normal Duty	Heavy Duty	Approx. ND Power	Frame
20G14NF119JA0NNNNN	690 VAC	119 A	98 A	110 kW	6
20G14NF142JA0NNNNN	690 VAC	142 A	119 A	132 kW	6
20G14NF171JA0NNNNN	690 VAC	171 A	142 A	160 kW	7
20G14NF212JA0NNNNN	690 VAC	212 A	171 A	200 kW	7
20G14NF263JA0NNNNN	690 VAC	263 A	212 A	250 kW	7

These models are not electrically interchangeable with the 400 VAC 20G14TC567JN0NNNNN.

They are included because they belong to the same broader PowerFlex 755 product family and can be useful when comparing different plant voltage systems.

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32. Mechanical Reference for Related 690 VAC Models

Frame	Approx. Dimensions	Approx. Weight
Frame 6	308.0 × 665.5 × 346.4 mm	38.6 kg
Frame 7	Approximately 430.0 × 881.5 × 349.6 mm	Approximately 72.6–108.9 kg
Frame 8	Approximately 2145 × 778 × 421 mm	Approximately 162 kg

The physical increase from Frame 6 and Frame 7 to Frame 8 is significant.

Therefore, a replacement or upgrade should not be evaluated only by electrical current.

Cabinet dimensions, ventilation, mounting hardware, cable routing, and service access must also be considered.

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33. Five Popular Allen-Bradley Models for Comparison

The following models are useful reference products from the same overall brand but are aimed at different power ranges.

Model / Part Number	Series	Voltage Class	Approx. Current Class	Approx. Power Class	Typical Use
25B-D017N114	PowerFlex 525	480 VAC class	17 A	~7.5 kW class	General machine control
25B-D024N114	PowerFlex 525	480 VAC class	24 A	~11 kW class	Pumps, fans, conveyors
25B-D030N114	PowerFlex 525	480 VAC class	30 A	~15 kW class	Machine automation
20G11NC5P0JA0NNNNN	PowerFlex 755	480 VAC class	~50 A class	~37–45 kW class	Medium/high-power industrial systems
20G11NC072JA0NNNNN	PowerFlex 755	480 VAC class	~72 A class	~55 kW class	Industrial machinery

These models are substantially smaller than the 20G14TC567JN0NNNNN.

They are included to show where the requested 20G14TC567JN0NNNNN sits within the broader Allen-Bradley drive range.

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34. Mechanical Reference for Popular Models

Model / Part Number	General Size Class	Approx. Dimensions	Approx. Weight
25B-D017N114	Compact	Configuration dependent	Configuration dependent
25B-D024N114	Compact	Configuration dependent	Configuration dependent
25B-D030N114	Compact	Configuration dependent	Configuration dependent
20G11NC5P0JA0NNNNN	PowerFlex 755, medium frame	Configuration dependent	Configuration dependent
20G11NC072JA0NNNNN	PowerFlex 755, medium frame	Configuration dependent	Configuration dependent

Exact dimensions and weights vary with frame, enclosure, options, and mounting configuration, so these values should be confirmed against the exact configuration before cabinet fabrication.

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35. 540 A vs. 567 A

The difference between the 540 A and 567 A models may appear relatively small.

However, that additional current capacity can be useful when the motor current is close to the upper limit of the smaller drive.

Characteristic	540 A Model	567 A Model
Model	20G14TC540JN0NNNNN	20G14TC567JN0NNNNN
Light Duty	585 A	612 A
Normal Duty	540 A	567 A
Normal Duty Power	315 kW	315 kW
Heavy Duty	456 A	472 A
Frame	8	8
Input	DC with Precharge	DC with Precharge
Approx. Weight	~162 kg	~162 kg

The 567 A model provides a useful current margin over the 540 A model while retaining the same approximate Normal Duty power class.

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36. 567 A vs. 650 A

The 650 A model provides a more substantial step upward.

Characteristic	567 A Model	650 A Model
Model	20G14TC567JN0NNNNN	20G14TC650JN0NNNNN
Light Duty	612 A	750 A
Normal Duty	567 A	650 A
Normal Duty Power	315 kW	355 kW
Heavy Duty	472 A	540 A
Frame	8	8
Approx. Weight	~162 kg	~162 kg

If the motor current is approaching the upper end of 567 A, the 650 A model may provide additional headroom.

However, oversizing should not be done automatically.

The correct choice depends on motor current, load profile, overload requirements, acceleration characteristics, ambient conditions, and the complete drive-system design.

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37. Selecting the Drive According to Application

A practical selection approach is:

Light-Duty Loads

For relatively smooth loads such as:

• Large fans
• Certain centrifugal pumps
• Continuous-process machinery

the Light Duty rating can be particularly useful.

Normal-Duty Loads

For general industrial loads where the motor operates with moderate torque variation, the Normal Duty rating is the most appropriate reference.

The requested model provides:

567 A / 315 kW Normal Duty.

Heavy-Duty Loads

For applications involving significant overload, high starting torque, repeated acceleration, or severe load cycles, the Heavy Duty rating must be evaluated.

For this model:

472 A / 250 kW Heavy Duty.

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38. Motor Selection Considerations

The drive should not be selected solely according to motor horsepower.

The following motor information should be reviewed:

• Rated voltage
• Rated current
• Rated frequency
• Rated speed
• Power
• Power factor
• Efficiency
• Starting characteristics
• Continuous torque
• Peak torque
• Overload requirement
• Acceleration time
• Deceleration time
• Motor cable length
• Encoder requirement
• Application duty cycle

For high-power motors, current is particularly important.

Two motors with similar kW ratings can have different full-load currents because of differences in efficiency, power factor, voltage, and motor design.

Therefore, the motor nameplate current should be compared against the applicable drive duty rating.

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39. Braking and Regenerative Applications

Because the requested catalog configuration does not contain an internal braking transistor or resistor, braking requirements deserve special attention.

Applications involving significant regeneration may require:

• External braking equipment
• Regenerative power architecture
• Regenerative drive solutions
• Controlled deceleration strategy
• Mechanical braking
• Alternative drive configuration

This is particularly important for systems with high inertia.

A large rotating load can store substantial mechanical energy.

If the machine decelerates rapidly, that energy can return to the DC bus.

The system therefore needs a suitable method to manage the regenerated energy.

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40. Maintenance Considerations

Large air-cooled drives require regular inspection.

Important maintenance areas include:

Cooling Fans

Fans are critical components because loss of airflow can cause temperature rise.

Fan condition should be checked periodically.

Airflow

Dust and debris can restrict cooling airflow.

Air passages should be kept clean according to the plant maintenance program.

Electrical Connections

High-current connections should be inspected according to the appropriate maintenance procedure.

Loose connections can produce heat and potentially lead to equipment failure.

DC Bus

DC bus equipment should be treated as high-energy electrical equipment.

Proper isolation and discharge procedures must be followed before maintenance.

Cabinet Environment

The cabinet should be checked for:

• Excessive heat
• Dust
• Moisture
• Corrosive contaminants
• Blocked ventilation
• Abnormal fan noise
• Loose wiring

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41. Installation Checklist

Before installing a 20G14TC567JN0NNNNN, the following items should be reviewed:

Installation Item	Check
Drive model	20G14TC567JN0NNNNN
Voltage system	400 VAC class / compatible DC system
Phase	3 phase
Motor current	Within applicable drive duty rating
Motor power	Within applicable duty rating
DC bus design	Confirmed
Precharge system	Confirmed
Cabinet dimensions	Confirmed
Mounting structure	Suitable for approximately 162 kg drive
Cooling airflow	Adequate
Ambient temperature	Within allowable range
Cable routing	Adequate
Grounding	Properly engineered
EMC arrangement	Filter and CM jumper configuration reviewed
Communication	EtherNet/IP architecture reviewed
Braking	Application requirement reviewed
Maintenance access	Adequate
Handling equipment	Available for Frame 8 installation
Spare parts	Planned

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42. Cabinet Design Considerations

Because the drive is an open-type Frame 8 unit, cabinet engineering is a major part of the installation.

The cabinet should provide sufficient room for the drive and associated equipment while maintaining appropriate airflow.

The designer should consider the location of:

• Main disconnect
• Protective fuses
• Busbars
• DC bus equipment
• Control power
• PLC equipment
• Ethernet switches
• Terminal blocks
• Motor output connections
• Grounding points
• Cooling equipment

Cable routing should also separate high-power conductors from sensitive control and communication wiring where appropriate.

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43. Spare-Parts Planning

For a high-power production drive, spare-parts planning can reduce downtime.

Useful maintenance inventory may include items associated with:

• Cooling fans
• Control boards
• Power components
• Interface boards
• Communication modules
• Feedback modules
• Terminal blocks
• Fuses
• DC-bus components
• Wiring harnesses

The exact spare-parts strategy depends on plant criticality.

For a production line where a single drive failure can stop an entire process, maintaining a complete spare drive or major power structure can sometimes be justified.

For less critical applications, component-level spares may be sufficient.

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44. Replacement and Upgrade Considerations

When replacing an existing drive with the 20G14TC567JN0NNNNN, engineers should verify more than the current rating.

The following should be compared:

1. Input voltage
2. DC bus voltage
3. Motor current
4. Duty rating
5. Motor power
6. Frame size
7. Cabinet dimensions
8. Cooling requirements
9. Communication method
10. Feedback requirements
11. Braking requirements
12. EMC configuration
13. Control wiring
14. Safety architecture
15. Software and parameter compatibility

A drive with the same nominal power rating may still be unsuitable if its input configuration, frame size, braking capability, or communication architecture differs.

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45. Why the 20G14TC567JN0NNNNN Is a Strong Choice

The 20G14TC567JN0NNNNN occupies an important position in the PowerFlex 755 high-power range.

Its combination of:

• 400 VAC operation
• 540 VDC nominal common-bus class
• 567 A Normal Duty current
• 315 kW Normal Duty power
• 612 A Light Duty capability
• 472 A Heavy Duty capability
• Frame 8 construction
• Forced-air cooling
• DC input with precharge
• Embedded EtherNet/IP
• Filtered configuration
• CM jumper installed

makes it particularly suitable for large industrial motor-control systems.

The model is especially compelling when the application requires a common DC bus rather than a conventional independent AC input arrangement.

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46. Overall Product Benefits

Benefit	Practical Value
High 567 A Normal Duty rating	Supports large industrial motors
315 kW Normal Duty	Suitable for high-power machinery
612 A Light Duty	Useful for appropriate variable-torque loads
472 A Heavy Duty	Provides a defined high-load duty class
DC input with precharge	Suitable for common DC bus systems
Frame 8	High-capacity industrial platform
Forced-air cooling	Suitable for high-power operation
Embedded EtherNet/IP	Convenient automation integration
Filtered configuration	Useful for EMC-conscious installations
CM jumper installed	Factory-configured common-mode arrangement
No internal braking hardware	Allows application-specific braking architecture
Modular platform	Flexible control and feedback configuration
PowerFlex 755 architecture	Suitable for large industrial automation systems

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47. Final Detailed Product Specification

Category	Final Specification
Brand	Allen-Bradley
Series	PowerFlex 755
Product Family	PowerFlex 750-Series
Model	20G14TC567JN0NNNNN
Product Type	PowerFlex Air-Cooled 755 AC Drive
Voltage	400 VAC
Phase	3 Phase
DC Bus Class	540 VDC nominal
Input	DC Input with Precharge
Light Duty	612 A / 355 kW
Normal Duty	567 A / 315 kW
Heavy Duty	472 A / 250 kW
Frame	Frame 8
Enclosure	Open Type
Cooling	Forced Air
Dynamic Braking	None
Braking Transistor	None
Braking Resistor	None
Filter	Installed
CM Jumper	Installed
HIM	Blank / No HIM
Communication	Embedded EtherNet/IP
Operating Temperature	Approximately 0–50 °C
Relative Humidity	Approximately 5–95%, non-condensing
Storage Temperature	Approximately -40 to +70 °C
Approx. Dimensions	2145 × 778 × 421 mm
Approx. Weight	162 kg
Main Application	High-power industrial motor control
Preferred Architecture	Common DC Bus / Large Industrial Drive System

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48. Final Product Assessment

The Allen-Bradley 20G14TC567JN0NNNNN is a high-capacity industrial drive intended for serious, high-power motor-control applications rather than small or general-purpose machine installations.

Its 567 A Normal Duty / 315 kW rating gives it enough capacity for large industrial motors, while its 612 A Light Duty and 472 A Heavy Duty ratings allow the same drive platform to be evaluated against different load profiles.

The DC input with precharge configuration makes the model particularly relevant to common-DC-bus systems, where several drive sections may share a common DC power architecture.

The embedded EtherNet/IP capability also makes the drive well suited to modern industrial automation systems where drive control, monitoring, diagnostics, and machine coordination are handled through an industrial Ethernet network.

Its Frame 8 construction is another important characteristic. With an approximate size of 2145 × 778 × 421 mm and an approximate weight of 162 kg, this is a substantial industrial drive that requires serious cabinet planning, mechanical support, lifting arrangements, ventilation, and service access.

The filtered and CM-jumper-installed J configuration is useful where the electrical installation requires an appropriate EMC arrangement.

The absence of an internal dynamic-braking transistor and resistor should be considered during application engineering, particularly for high-inertia loads or applications involving frequent deceleration and regeneration.

For large pumps, fans, conveyors, mining machinery, cement equipment, steel-processing systems, paper machinery, material-handling systems, and other high-power industrial equipment, the 20G14TC567JN0NNNNN provides a strong combination of current capacity, common-bus capability, industrial communication, modular architecture, and high-power motor-control functionality.

In practical terms, this model is best viewed as a large Frame 8 PowerFlex 755 common-DC-bus drive for approximately 315 kW Normal Duty applications, with enough capacity to serve demanding industrial equipment while retaining the flexibility of the PowerFlex 755 platform.