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Allen-Bradley 20G1AJC567JN0NNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1AJC567JN0NNNNN is a high-power PowerFlex 755 AC drive designed for large industrial motor-control applications where high current capacity, variable-speed operation, industrial networking, enclosed construction, and reliable process control are required.

The product belongs to the PowerFlex 755 series within the broader PowerFlex 750-Series family.

This model is an air-cooled, floor-standing, MCC-style AC drive with a Frame 8 power structure. It is designed for three-phase 400 VAC applications and provides a normal-duty current rating of approximately 567 A.

Its principal power ratings are approximately 355 kW for Light Duty, 315 kW for Normal Duty, and 250 kW for Heavy Duty.

The 20G1AJC567JN0NNNNN is configured with embedded EtherNet/IP, forced-air cooling, AC input with precharge, no external DC terminals, Type 12 / IP54 protection, an 800 mm deep MCC-style enclosure, integrated filtering, and no dynamic braking.

Unlike the AN0 configuration, this JN0 version is an active configuration and represents the current catalog generation associated with this particular 567 A PowerFlex 755 configuration.

The model is particularly suitable for large pumps, fans, blowers, conveyors, water-treatment systems, process machinery, material-handling equipment, mining applications, and other industrial systems requiring high-capacity variable-frequency motor control.

2. Brand and Product Series

Item	Description
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 755
Product Type	Air-Cooled AC Drive
Catalog Number	20G1AJC567JN0NNNNN
Drive Category	Industrial Variable Frequency AC Drive
Construction	Floor-standing / MCC-style
Frame	Frame 8
Cooling	Forced Air
Input Voltage	400 VAC class
Input Phase	Three-phase
Normal-Duty Current	567 A
Light-Duty Power	355 kW
Normal-Duty Power	315 kW
Heavy-Duty Power	250 kW
Enclosure	Type 12
IP Rating	IP54
Enclosure Depth	800 mm
Communication	Embedded EtherNet/IP
Input Configuration	AC Input with Precharge
External DC Terminals	None
EMC Configuration	Filtered
CM Jumper	Installed / preferred configuration
Dynamic Braking	None
HIM	Blank / No HIM
Product Status	Active

The catalog description identifies this model as a PowerFlex 755 AC Drive with Embedded EtherNet/IP, Standard Protection, Forced Air, AC Input with Precharge, no DC Terminals, Type 12 IP54 800 mm Deep MCC Style, 567 A, 355 kW LD, 315 kW ND, 250 kW HD, 400 VAC, three-phase, Frame 8, filtered, CM jumper installed, no dynamic braking, and no HIM.

3. Detailed Technical Specifications

Parameter	Specification
Model / Catalog Number	20G1AJC567JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Family	PowerFlex 750-Series
Product Type	AC Industrial Variable-Speed Drive
Cooling Method	Forced Air
Input Voltage	400 VAC
Input Phase	3 Phase
Nominal Output Current	567 A
Light-Duty Rating	355 kW
Normal-Duty Rating	315 kW
Heavy-Duty Rating	250 kW
Normal-Duty Current	567 A
Heavy-Duty Current	Approximately 472 A
Frame Size	Frame 8
Enclosure	Type 12
Protection Rating	IP54
Cabinet Style	800 mm Deep MCC Style
Input Type	AC Input with Precharge
External DC Terminals	No
EMC Filter	Yes
CM Jumper	Installed
Dynamic Braking	None
Dynamic Braking Transistor	No
Communication	Embedded EtherNet/IP
Integrated Motion	No
Control Characteristic	PID supported
Safety Functions	Suitable for safety-function integration with appropriate options
HIM	Blank / No HIM
Local Keypad	Not included
Cooling Structure	Forced-air cooling
Approx. Width	Approximately 600 mm class*
Approx. Height	Approximately 2000–2200 mm class*
Approx. Depth	800 mm
Approx. Weight	Approximately 500–700 kg*
Installation Style	Floor-standing
Typical Motor Application	Large three-phase AC motors
Product Status	Active

*The dimensional and weight figures above are engineering planning estimates for the complete Frame 8 MCC-style package. The exact physical dimensions and shipping weight should be taken from the mechanical drawing and configuration-specific documentation before final equipment-room, transportation, lifting, or foundation calculations.

4. Electrical Rating

The most important electrical characteristic of the 20G1AJC567JN0NNNNN is its high current capability.

The model is rated at approximately 567 A for Normal Duty, with a corresponding Normal-Duty power rating of approximately 315 kW.

Its Light-Duty rating is approximately 355 kW, while the Heavy-Duty rating is approximately 250 kW.

This difference is important because the required drive size is not determined solely by motor horsepower.

The mechanical load profile must also be considered.

A centrifugal fan, for example, normally has a different overload requirement from a conveyor, crusher, mixer, hoist, or high-inertia machine.

For this reason, the PowerFlex 755 rating structure provides different duty classifications so that the drive can be matched more accurately to the actual application.

The available technical information identifies the model as 567 A Normal Duty / 315 kW Normal Duty / 250 kW Heavy Duty, with the broader catalog configuration also specifying approximately 355 kW Light Duty.

5. 400 VAC Three-Phase Input

The 20G1AJC567JN0NNNNN is intended for a 400 VAC three-phase industrial power system.

This makes it suitable for a wide range of international industrial facilities using 380–415 VAC class motor systems.

The three-phase input arrangement is appropriate for large industrial motors where a high-capacity variable-frequency drive is required.

Before installation, the actual plant supply voltage, frequency, short-circuit conditions, grounding arrangement, upstream protection, and applicable electrical standards should be verified.

The drive should be selected together with the motor and complete electrical system rather than treated as an isolated component.

6. AC Input with Precharge

The drive uses an AC input with precharge.

Precharge is important in a large variable-frequency drive because the internal DC bus contains substantial capacitance.

When a large drive is energized, directly connecting the incoming supply to the DC bus capacitors could result in a very high initial current.

The precharge circuit limits and manages this initial charging process.

For a Frame 8 drive, this is an important part of the overall power architecture.

The precharge system works together with the input switching and protection arrangement to establish the DC bus in a controlled manner before normal drive operation.

The catalog configuration specifies AC input with precharge and no external DC terminals.

7. No External DC Terminals

The 20G1AJC567JN0NNNNN is specified with no external DC terminals.

This configuration is appropriate for applications where the drive is operated through its standard AC input arrangement rather than requiring an external DC-bus connection.

This should be considered during system design, particularly if the application involves common DC-bus architectures, regenerative systems, energy-storage equipment, or other specialized power arrangements.

If the application requires a shared DC bus or regenerative power flow, a different drive configuration or system architecture may be more appropriate.

8. Frame 8 Construction

The Frame 8 designation identifies this as a large PowerFlex 755 drive.

Frame 8 construction is designed for significantly higher power levels than compact machine-mounted VFDs.

The physical size, thermal requirements, installation method, and service procedures are therefore different from those of small drives.

The equipment should generally be considered a floor-standing industrial electrical assembly.

For plant layout purposes, sufficient space should be allocated for:

• Front access.
• Electrical connections.
• Cooling airflow.
• Maintenance.
• Cabinet doors or service panels.
• Lifting and handling.
• Cable routing.
• Network connections.
• Replacement of service components.
• Safe electrical isolation.

9. Type 12 / IP54 Enclosure

The 20G1AJC567JN0NNNNN is specified with a Type 12 / IP54, 800 mm deep MCC-style enclosure.

This construction is intended for industrial environments where greater protection is required than an open-frame drive can provide.

The enclosure helps protect the internal electrical components against normal industrial contamination such as dust and other non-corrosive airborne particles.

The IP54 rating also provides protection against limited water exposure.

However, IP54 should not be interpreted as waterproof construction.

Correct installation, ventilation, cable-entry treatment, environmental control, and routine maintenance remain important.

10. Forced-Air Cooling

The model uses forced-air cooling.

High-power variable-frequency drives generate substantial internal heat.

Power semiconductor devices, capacitors, bus structures, conductors, control electronics, and switching components all contribute to thermal loading.

The forced-air cooling system moves air through the power section to transfer this heat away from the electronic components.

For this reason, cooling should be considered an essential part of the installation rather than simply an auxiliary feature.

The equipment room should provide adequate ambient-temperature control and airflow.

In dusty environments, maintenance personnel should pay particular attention to filters, air passages, fans, and heat-transfer surfaces.

11. Embedded EtherNet/IP

One of the major advantages of the 20G1AJC567JN0NNNNN is its embedded EtherNet/IP communication capability.

This allows the drive to communicate directly with an industrial control network without necessarily requiring a separate external communication adapter for basic EtherNet/IP integration.

Typical network functions include:

• Start and stop control.
• Speed reference.
• Frequency reference.
• Actual speed feedback.
• Current monitoring.
• Drive status.
• Alarm information.
• Fault information.
• Parameter access.
• Diagnostic information.
• Process integration.

This makes the drive particularly suitable for modern automated production facilities.

A PLC or supervisory controller can coordinate the drive with valves, sensors, pumps, conveyors, safety devices, and other equipment through the plant automation architecture.

12. Networked Drive Control

The embedded Ethernet capability is particularly useful in applications containing multiple drives.

For example, a production line may contain several conveyors, pumps, fans, and process machines.

Rather than wiring every operating command and status signal separately, the control system can exchange a significant amount of information digitally.

This can reduce wiring complexity and make diagnostic information more accessible.

For maintenance personnel, networked diagnostics can also make it easier to identify which drive is experiencing a fault and what operating condition existed immediately before the fault.

13. EMC Filtering

The model is specified with a filtered EMC configuration.

Electromagnetic compatibility is particularly important in large industrial installations because variable-frequency drives use high-speed power switching.

The switching process can produce electrical noise that may affect nearby control equipment if the system is poorly designed.

An integrated filtering arrangement helps manage conducted electromagnetic interference.

However, filtering is only one part of a complete EMC design.

Motor cable routing, grounding, shield termination, cabinet construction, cable separation, control wiring, and installation practices all contribute to the final electromagnetic performance of the system.

14. CM Jumper Installed

This configuration specifies the CM jumper installed arrangement.

The common-mode configuration is part of the drive’s EMC and grounding architecture.

The appropriate configuration depends on the grounding system, electrical installation, EMC requirements, and applicable application guidelines.

For replacement work, the existing drive’s CM configuration should be checked before installation.

The replacement should not be configured solely from memory or from the physical appearance of the old drive.

The electrical system should be evaluated as a complete installation.

15. No Dynamic Braking

The catalog configuration specifies no dynamic braking.

This is an important selection point.

When a motor decelerates, especially when connected to a high-inertia load, mechanical energy can be returned toward the drive’s DC bus.

If the application requires rapid deceleration or frequent stopping, the drive system may require a suitable braking solution.

The 20G1AJC567JN0NNNNN should therefore be evaluated carefully for:

• Motor inertia.
• Load inertia.
• Required deceleration time.
• Stop frequency.
• Regenerative energy.
• Conveyor stopping requirements.
• Emergency stopping requirements.
• Hoisting requirements.
• Centrifugal load behavior.

For applications with substantial regenerative energy, a different braking or regenerative architecture may be necessary.

16. Blank / No HIM Configuration

The JN0 configuration is specified as Blank (No HIM).

This means that the drive does not include a local Human Interface Module as part of this catalog configuration.

This can be advantageous when the drive is intended to be controlled and monitored primarily through the automation network.

It can also reduce the need for a permanently installed local operator interface.

For maintenance teams that require local parameter access, however, an appropriate HIM or service interface may need to be provided separately depending on the installation strategy.

This is an important difference compared with JN4 configurations, which incorporate an enhanced LCD full-numeric HIM.

17. Typical Applications

17.1 Large Pump Systems

The 20G1AJC567JN0NNNNN is well suited to large pump applications.

Examples include:

• Water-transfer pumps.
• Cooling-water pumps.
• Process pumps.
• Raw-water pumps.
• Industrial circulation pumps.
• Wastewater pumps.
• High-capacity utility pumps.

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

In suitable centrifugal-pump systems, reducing speed can significantly reduce the power required by the motor.

The drive can therefore provide both process-control benefits and potential energy-saving benefits when the hydraulic system is properly designed.

17.2 Large Fans

Large fans and blowers are another important application area.

Typical applications include:

• Industrial exhaust systems.
• Process ventilation.
• Combustion-air fans.
• Dust-collection systems.
• Cooling systems.
• Tunnel ventilation.
• Large HVAC equipment.

The drive can regulate fan speed according to the required airflow.

This provides more flexible process control than simply switching a motor between full-speed operation and shutdown.

17.3 Large Blowers

Blowers used in industrial processes often require continuous speed adjustment.

The PowerFlex 755 architecture is suitable for applications where blower speed must be coordinated with pressure, flow, temperature, or another process variable.

Potential applications include:

• Aeration blowers.
• Process-air blowers.
• Combustion systems.
• Pneumatic material systems.
• Industrial ventilation.

17.4 Conveyors

Large conveyors can impose substantial mechanical demands on their drive systems.

Controlled acceleration can reduce mechanical shock and improve the overall operation of:

• Belts.
• Gearboxes.
• Couplings.
• Shafts.
• Bearings.
• Mechanical drive assemblies.

The embedded EtherNet/IP capability also makes it easier to coordinate conveyor speed with upstream and downstream process equipment.

17.5 Mining Applications

The high current capacity of the 20G1AJC567JN0NNNNN makes it relevant to large mining and bulk-material systems.

Possible applications include:

• Long conveyors.
• Large ventilation fans.
• Dewatering pumps.
• Material-handling systems.
• Processing equipment.
• Crushing-related auxiliary machinery.

Mining installations require careful consideration of ambient conditions, dust, temperature, cable length, grounding, and maintenance access.

17.6 Cement Plants

Cement and aggregate facilities contain many high-power motors.

The drive can be considered for:

• Large fans.
• Material conveyors.
• Process pumps.
• Dust collection.
• Ventilation.
• Material-handling machinery.
• Auxiliary process systems.

17.7 Water and Wastewater Treatment

Large pumps and blowers are central to water and wastewater operations.

The 20G1AJC567JN0NNNNN can be used where variable-speed control is required for:

• Flow regulation.
• Pressure control.
• Tank-level control.
• Aeration.
• Water transfer.
• Process circulation.

17.8 Process Manufacturing

The drive can also be used in general process manufacturing.

Examples include:

• Mixers.
• Large agitators.
• Pumps.
• Fans.
• Blowers.
• Conveyors.
• Material-handling equipment.
• Process machinery.

The correct selection depends on the motor current, load torque, overload profile, speed range, and braking requirements.

18. Major Product Advantages

High Current Capacity

The approximately 567 A normal-duty current rating makes this model suitable for large industrial motors.

This is the primary reason to select a Frame 8 PowerFlex 755 instead of a smaller compact drive.

High Power Rating

The approximately 315 kW Normal-Duty rating and 355 kW Light-Duty rating provide substantial motor-control capacity.

This places the model firmly within the large industrial-drive category.

Flexible Duty Classification

The Light Duty, Normal Duty, and Heavy Duty ratings allow engineers to evaluate the drive according to the actual mechanical load.

This is particularly useful when a machine has different overload characteristics during acceleration and continuous operation.

Industrial Enclosure

The Type 12 / IP54 enclosure provides a much more protected installation than an open-frame drive.

MCC-Style Construction

The 800 mm deep MCC-style configuration is well suited to centralized electrical rooms and industrial motor-control installations.

Embedded EtherNet/IP

Integrated EtherNet/IP simplifies communication with compatible automation systems.

Forced-Air Cooling

Forced-air cooling supports continuous high-power operation when the installation provides adequate airflow and environmental control.

Integrated EMC Filtering

The filtered configuration helps support electromagnetic compatibility requirements in industrial electrical installations.

Flexible Control Architecture

The PowerFlex 755 platform supports a wide range of control, feedback, communication, safety, and application options.

Industrial Serviceability

The large-drive architecture provides access to serviceable power and control components and supports maintenance-oriented industrial installations.

19. Dimensions and Weight

Because the 20G1AJC567JN0NNNNN is a large Frame 8 MCC-style drive, its physical size is substantially greater than compact PowerFlex models.

For preliminary engineering and equipment-room planning, the following values can be used as approximate planning figures:

Mechanical Parameter	Approximate Value
Model	20G1AJC567JN0NNNNN
Frame	Frame 8
Enclosure	Type 12 / IP54
Cabinet Width	Approximately 600 mm class
Cabinet Height	Approximately 2000–2200 mm class
Cabinet Depth	800 mm
Approx. Package Weight	Approximately 500–700 kg
Installation	Floor-standing
Cabinet Style	MCC style
Cooling	Forced air

These figures are intended for preliminary layout and engineering planning only.

For a final installation, the exact mechanical drawing should be used to determine cabinet width, height, service clearance, lifting requirements, cable-entry position, mounting details, and final shipping weight.

The weight of a complete Frame 8 MCC-style package should not be confused with the weight of a smaller internal component or power module.

20. Installation Requirements

The installation of a 567 A Frame 8 drive requires considerably more planning than a small wall-mounted VFD.

Important considerations include:

Electrical Clearance

Adequate clearance should be maintained around the equipment for safe electrical operation and maintenance.

Cable Routing

Incoming power cables and motor cables should be routed according to the applicable installation requirements.

Grounding

A reliable protective grounding system is essential.

Ventilation

The cabinet requires adequate airflow and heat removal.

Ambient Conditions

The temperature and humidity of the installation environment must remain within the applicable operating limits.

Dust Control

Dust accumulation can reduce cooling performance.

Lifting

Because the complete equipment package can weigh several hundred kilograms, suitable lifting and transportation equipment should be planned before delivery.

Floor Loading

The equipment foundation or floor should be capable of supporting the installed cabinet weight.

Network Cabling

EtherNet/IP connections should be installed using suitable industrial network practices.

Maintenance Access

Front and service access should be considered during cabinet-layout design.

21. Maintenance and Reliability

Large variable-frequency drives should be included in a preventive-maintenance program.

Typical inspection activities include:

• Cooling fan inspection.
• Airflow inspection.
• Dust removal.
• Terminal inspection.
• Cable inspection.
• Grounding inspection.
• Network connection inspection.
• Fault-history review.
• Parameter backup.
• Inspection for abnormal noise.
• Inspection for unusual vibration.
• Thermal inspection where appropriate.
• Inspection of cabinet ventilation.

The cooling system should receive particular attention.

A drive operating at hundreds of amperes generates significant heat.

Reduced airflow can increase component temperature and may shorten the service life of power semiconductors, capacitors, fans, and other internal components.

22. Related PowerFlex 755 Models

For applications close to the 20G1AJC567JN0NNNNN rating, the following models are useful alternatives.

Model	Voltage	Current	LD Power	ND Power	HD Power	Frame	Enclosure	HIM	Braking
20G1AJC460JN0NNNNN	400 VAC	460 A	315 kW	250 kW	200 kW	8	Type 12 / IP54, 800 mm MCC	No HIM	None
20G1AJC540JN0NNNNN	400 VAC	540 A	315 kW	315 kW	250 kW	8	Type 12 / IP54, 800 mm MCC	No HIM	None
20G1AJC567JN0NNNNN	400 VAC	567 A	355 kW	315 kW	250 kW	8	Type 12 / IP54, 800 mm MCC	No HIM	None
20G1AJC650JN0NNNNN	400 VAC	650 A	400 kW	355 kW	315 kW	8	Type 12 / IP54, 800 mm MCC	No HIM	None
20G1AJC750JN0NNNNN	400 VAC	750 A	450 kW	400 kW	315 kW	8	Type 12 / IP54, 800 mm MCC	No HIM	None

These models provide a useful current range around the 567 A configuration.

The 460 A model is appropriate where the motor current requirement is lower.

The 540 A version is a closer lower-capacity alternative.

The 567 A model is the requested configuration.

The 650 A model provides additional capacity.

The 750 A model provides the highest current capability in this comparison group.

The most important selection criterion should remain the actual motor nameplate current and the application’s duty cycle rather than simply selecting the largest available drive.

23. Mechanical Comparison of Related Frame 8 Models

Model	Frame	Approx. Width	Approx. Height	Depth	Approx. Weight
20G1AJC460JN0NNNNN	8	~600 mm class	~2000–2200 mm	800 mm	~500–700 kg
20G1AJC540JN0NNNNN	8	~600 mm class	~2000–2200 mm	800 mm	~500–700 kg
20G1AJC567JN0NNNNN	8	~600 mm class	~2000–2200 mm	800 mm	~500–700 kg
20G1AJC650JN0NNNNN	8	~600 mm class	~2000–2200 mm	800 mm	~500–700 kg
20G1AJC750JN0NNNNN	8	~600 mm class	~2000–2200 mm	800 mm	~500–700 kg

The models are broadly comparable from a cabinet-planning perspective because they belong to the same general Frame 8, 800 mm MCC-style configuration class.

The actual cabinet dimensions should nevertheless be confirmed for the exact catalog number before detailed mechanical engineering.

24. Five Popular Allen-Bradley Models for Comparison

The following models are useful when comparing the requested high-power drive with other popular Allen-Bradley variable-frequency-drive configurations.

Model	Series	Voltage Class	Current / Rating	Power Class	Frame	Enclosure	Typical Application
25B-D030N114	PowerFlex 525	480 VAC class	30 A class	Medium-power	Compact	Enclosed compact VFD	Pumps, fans, conveyors, machinery
25C-D030N114	PowerFlex 527	480 VAC class	30 A class	Medium-power	Compact	Industrial compact drive	Machine automation
20G1AGE053JA0NNNNN	PowerFlex 755	600 VAC	53 A	50 HP ND / 40 HP HD	6	IP54 / Type 12	Pumps, fans, conveyors
20G1AGC260JN0NNNNN	PowerFlex 755	400 VAC	260 A	132 kW ND / 110 kW HD	7	IP54 / Type 12	Pumps, fans, conveyors
20G1AND302JA0NNNNN	PowerFlex 755	480 VAC	302 A	250 HP ND / 200 HP HD	7	Open type	Large industrial motor control

These models cover a much wider range of drive sizes.

The PowerFlex 525 is more appropriate for compact machinery and moderate motor loads.

The PowerFlex 527 is oriented toward machine-control applications where integration with automation systems is important.

The smaller PowerFlex 755 models provide a bridge between compact machine drives and large Frame 8 systems.

The 20G1AJC567JN0NNNNN, by comparison, belongs to the high-capacity end of the PowerFlex 755 range.

25. Selection Comparison

Requirement	Recommended Direction
Motor current below 460 A	Consider smaller PowerFlex 755 configuration
Motor current around 460 A	20G1AJC460JN0NNNNN
Motor current around 540 A	20G1AJC540JN0NNNNN
Motor current around 567 A	20G1AJC567JN0NNNNN
Motor current around 650 A	20G1AJC650JN0NNNNN
Motor current around 750 A	20G1AJC750JN0NNNNN
Need local LCD HIM	Consider JN4 configuration
Network control required	JN0/JN4 EtherNet/IP configurations are relevant
Dynamic braking required	Select a configuration with an appropriate braking solution
Compact machine installation	Consider smaller PowerFlex families
Large MCC installation	PowerFlex 755 Frame 8 is appropriate
High-power pump	PowerFlex 755 is well suited
Large fan/blower	PowerFlex 755 is well suited
Large conveyor	PowerFlex 755 is well suited
High-inertia load	Carefully evaluate overload and braking requirements

26. JN0 Versus JN4 Configuration

A particularly useful comparison is between the JN0 and JN4 configurations.

Feature	20G1AJC567JN0NNNNN	20G1AJC567JN4NNNNN
Series	PowerFlex 755	PowerFlex 755
Voltage	400 VAC	400 VAC
Normal-Duty Current	567 A	567 A
LD Power	355 kW	355 kW
ND Power	315 kW	315 kW
HD Power	250 kW	250 kW
Frame	8	8
Enclosure	Type 12 / IP54	Type 12 / IP54
Depth	800 mm	800 mm
Cooling	Forced air	Forced air
EtherNet/IP	Embedded	Embedded
EMC Filtering	Filtered	Filtered
CM Jumper	Installed	Installed
Dynamic Braking	None	None
HIM	Blank / No HIM	Enhanced LCD Full Numeric HIM
Primary Difference	No local HIM included	Enhanced local HIM included

The fundamental drive power rating is essentially the same.

The most obvious configuration difference is the Human Interface Module.

The JN0 version is the better choice when local operator access is not required as part of the standard catalog configuration.

The JN4 version is more appropriate when an enhanced local display and keypad are desired.

27. JN0 Versus Older AN0 Configuration

The 20G1AJC567JN0NNNNN is also closely related to the older 20G1AJC567AN0NNNNN.

Feature	20G1AJC567AN0NNNNN	20G1AJC567JN0NNNNN
Product Series	PowerFlex 755	PowerFlex 755
Frame	8	8
Voltage	400 VAC	400 VAC
Current	567 A	567 A
LD Power	355 kW	355 kW
ND Power	315 kW	315 kW
HD Power	250 kW	250 kW
Enclosure	Type 12 / IP54	Type 12 / IP54
MCC Depth	800 mm	800 mm
EtherNet/IP	Embedded	Embedded
Cooling	Forced air	Forced air
HIM	Blank / No HIM	Blank / No HIM
Dynamic Braking	None	None
EMC	Filtered	Filtered
CM Configuration	Jumper Removed	Jumper Installed
Lifecycle	Discontinued	Active

The JN0 model is therefore not simply a different catalog number with no practical relevance.

The catalog generation includes configuration changes, particularly around the CM jumper arrangement and lifecycle status.

For replacement projects, the existing installation should be checked carefully before selecting the newer configuration.

28. Application Advantages by Industry

Industry	Typical Application	Main Benefit
Water	Large pumps	Flow and pressure control
Wastewater	Pumps and blowers	Process regulation
Mining	Conveyors and pumps	Controlled speed and torque
Cement	Fans and conveyors	Process control
Manufacturing	Process machinery	Flexible speed control
HVAC	Large fans	Airflow regulation
Utilities	Pumps and fans	Efficient variable-speed operation
Material Handling	Conveyors	Controlled acceleration
Chemical Processing	Pumps and mixers	Process-speed control
Food Processing	Pumps and conveyors	Coordinated machine operation
Power Generation	Fans and auxiliary pumps	High-capacity motor control
Metals	Fans, pumps, conveyors	Heavy industrial operation

29. Engineering Advantages of the PowerFlex 755 Platform

The PowerFlex 755 architecture is especially useful when the drive needs to be more than a simple frequency converter.

Large industrial installations frequently require:

• Speed control.
• Torque control.
• Process control.
• Network communication.
• Diagnostic information.
• Safety integration.
• Feedback devices.
• Encoder interfaces.
• Expansion modules.
• Application-specific control functions.

The PowerFlex 755 platform is designed around this broader concept.

This makes it appropriate for complex industrial systems where the drive is part of the overall automation architecture rather than a standalone motor controller.

30. Maintenance Advantages

The combination of industrial communication, diagnostic capability, and the PowerFlex 755 platform can provide useful information during troubleshooting.

A maintenance technician can evaluate:

• Drive operating status.
• Fault conditions.
• Alarm conditions.
• Motor current.
• Speed reference.
• Actual speed.
• Network status.
• Parameter settings.
• Historical operating information.

This can help separate electrical problems from mechanical problems.

For example, a conveyor that stops unexpectedly may have a drive fault, a motor problem, a network-command problem, an overload condition, or a mechanical obstruction.

A drive with appropriate diagnostic information can significantly reduce the time required to determine which part of the system requires attention.

31. Recommended Use of the 567 A Configuration

The 567 A configuration is particularly attractive when a project has a large motor whose operating current is close to the normal-duty capability of this model.

It is also useful where additional current capacity is required compared with a 460 A or 540 A model.

However, engineers should avoid selecting a drive merely because its kW rating appears to be large enough.

The actual motor current should always be checked.

The load torque curve should also be considered.

A motor driving a centrifugal fan can have very different requirements from a constant-torque conveyor.

A high-inertia machine may also have significantly different acceleration and deceleration requirements.

Therefore, the correct selection process should consider both electrical ratings and mechanical load characteristics.

32. Overall Product Advantages

Advantage	Explanation
High Current	567 A normal-duty rating supports large industrial motors
High Power	Up to approximately 355 kW Light Duty
Industrial Construction	Frame 8 floor-standing architecture
Enclosure Protection	Type 12 / IP54
MCC Integration	800 mm deep MCC-style construction
Networking	Embedded EtherNet/IP
Cooling	Forced-air system
EMC	Filtered configuration
Flexible Duty Ratings	LD / ND / HD ratings
Large Motor Support	Suitable for high-power AC motors
Process Control	Suitable for pumps, fans, conveyors and process machinery
Automation Integration	Suitable for networked control architectures
Serviceability	Designed for industrial maintenance environments
Expansion Capability	PowerFlex 755 platform supports a broad option architecture

33. Final Product Assessment

The Allen-Bradley 20G1AJC567JN0NNNNN is a high-capacity PowerFlex 755 Frame 8 AC drive intended for large industrial motor applications.

Its combination of 400 VAC three-phase input, 567 A Normal-Duty current, 355 kW Light-Duty capability, 315 kW Normal-Duty capability, 250 kW Heavy-Duty capability, Type 12/IP54 enclosure, 800 mm MCC-style construction, forced-air cooling, integrated EMC filtering, embedded EtherNet/IP, and no dynamic braking makes it a strong choice for large variable-speed motor systems.

The model is especially well suited to large pumps, fans, blowers, conveyors, water and wastewater systems, mining equipment, cement plants, process machinery, and other applications requiring high-power variable-speed control.

The JN0 configuration is particularly appropriate when the application uses network-based control and does not require a local HIM as part of the standard drive configuration.

For applications where a local enhanced LCD interface is required, the corresponding JN4 configuration is a more appropriate comparison.

For projects requiring a different motor-current range, the closely related 460 A, 540 A, 650 A, and 750 A Frame 8 configurations provide useful alternatives.

From an engineering standpoint, the most important points to verify before ordering or replacing the drive are motor rated current, duty cycle, overload requirements, braking requirements, supply voltage, enclosure requirements, ambient temperature, installation dimensions, network architecture, and available maintenance space.

The product’s approximate 600 mm-class width, 2000–2200 mm-class height, 800 mm depth, and 500–700 kg planning weight indicate that this is a substantial floor-standing industrial assembly rather than a compact VFD.

The exact mechanical drawing should be used for final installation design, transportation, lifting, and foundation calculations.

Overall, the 20G1AJC567JN0NNNNN can be characterized as a large-frame, high-current, network-capable, enclosed industrial AC drive for demanding 400 VAC motor-control applications, with a strong emphasis on high-power process control, industrial automation integration, and large motor applications.