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Allen-Bradley 20G1AJF415JN0NNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1AJF415JN0NNNNN is a high-power, air-cooled PowerFlex 755 AC Drive designed for large three-phase industrial motors.

It is part of the PowerFlex 750-Series and is configured for 690 VAC, three-phase operation, with a nominal current class of 415 A.

The drive provides three principal motor-duty ratings: approximately 450 kW for Light Duty, 400 kW for Normal Duty, and 355 kW for Heavy Duty.

This capacity places the model in the high-power industrial drive category, making it suitable for large pumps, fans, blowers, conveyors, process machinery, mining equipment, cement equipment, material-handling systems, and other demanding motor-control applications.

The JN0 configuration is an air-cooled Frame 8 arrangement with embedded EtherNet/IP, AC input with precharge, no DC terminals, filtered input, CM jumper installed, no dynamic braking, and a blank/no-HIM configuration.

The drive uses an IP54 / Type 12 enclosure in an 800 mm deep MCC-style cabinet arrangement.

The combination of high voltage, high current, large motor-power capability, network communication, and protected cabinet construction makes this model particularly suitable for centralized industrial automation systems.

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2. Brand and Product Series

Category	Specification
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 750-Series
Drive Series	PowerFlex 755
Product Type	Air-Cooled AC Drive
Catalog Number	20G1AJF415JN0NNNNN
Configuration	JN0
Voltage Class	690 VAC
Phase	3 Phase
Nominal Current	415 A
Light-Duty Rating	450 kW
Normal-Duty Rating	400 kW
Heavy-Duty Rating	355 kW
Frame	8
Cooling	Forced Air
Enclosure	IP54 / Type 12
Cabinet Depth Class	800 mm
Cabinet Style	MCC Style
Input Configuration	AC Input with Precharge
DC Terminals	None
Input Filtering	Filtered
CM Configuration	CM Jumper Installed
Dynamic Braking	None
HIM	Blank / No HIM
Communication	Embedded EtherNet/IP

The JN0 configuration is specified as a 690 VAC, 415 A PowerFlex 755 AC drive with 450 kW Light-Duty, 400 kW Normal-Duty, and 355 kW Heavy-Duty ratings. It uses Frame 8, IP54 / Type 12, 800 mm deep MCC-style construction, forced-air cooling, embedded EtherNet/IP, filtered input, and a CM jumper installed.

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3. Main Technical Parameters

Parameter	Specification
Catalog Number	20G1AJF415JN0NNNNN
Brand	Allen-Bradley
Family	PowerFlex
Series	PowerFlex 750-Series
Model	PowerFlex 755
Drive Type	Air-Cooled AC Drive
Rated Voltage	690 VAC
Input Phase	Three Phase
Nominal Current	415 A
Light-Duty Motor Rating	450 kW
Normal-Duty Motor Rating	400 kW
Heavy-Duty Motor Rating	355 kW
Light-Duty Continuous Current	460 A
Light-Duty 1-Minute Current	506 A
Normal-Duty Continuous Current	415 A
Normal-Duty 1-Minute Current	457 A
Normal-Duty 3-Second Current	623 A
Heavy-Duty Continuous Current	370 A
Heavy-Duty 1-Minute Current	555 A
Heavy-Duty 3-Second Current	666 A
Input Type	AC Input with Precharge
DC Terminals	None
Cooling Method	Forced Air
Dynamic Braking	None
Filtering	Filtered
CM Jumper	Installed
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Enclosure Rating	IP54
Enclosure Type	Type 12
Cabinet Style	MCC Style
Frame Size	Frame 8
Cabinet Depth	800 mm
Approx. Height	2477 mm
Approx. Width	600 mm
Approx. Basic Depth	800 mm
Approx. Depth with Filter Arrangement	898 mm
Approx. Weight	644 kg
Installation	Floor-Mounted Industrial Installation

The published 690 V selection data places the 415 A JN0 model at 460 A Light-Duty current, 415 A Normal-Duty current, and 370 A Heavy-Duty current, with corresponding motor ratings of 450 kW, 400 kW, and 355 kW.

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4. Product Identification

The catalog number 20G1AJF415JN0NNNNN identifies a specific configuration of the PowerFlex 755 platform.

The important configuration characteristics are:

• PowerFlex 755 AC Drive.
• 690 VAC three-phase input system.
• 415 A nominal current class.
• Frame 8 construction.
• IP54 / Type 12 enclosure.
• 800 mm deep MCC-style arrangement.
• Forced-air cooling.
• Embedded EtherNet/IP.
• AC input with precharge.
• No DC terminals.
• Filtered configuration.
• CM jumper installed.
• No dynamic braking.
• Blank/no-HIM configuration.

This configuration is well suited to installations where the drive is controlled from a PLC, DCS, SCADA system, remote HMI, or industrial network rather than requiring a permanent local keypad.

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5. Electrical Rating

The 20G1AJF415JN0NNNNN is designed for 690 VAC three-phase power systems.

Its 415 A nominal current class allows it to control very large industrial motors.

At this power level, 690 VAC is advantageous because a higher motor voltage allows large motor power to be transmitted with a lower current than would be required at a lower voltage.

This is particularly useful in large industrial plants where substantial motors are distributed across long cable runs or where the electrical system has been designed around a 690 V motor network.

The drive’s AC input includes a precharge arrangement.

The precharge function controls the initial charging of the drive’s internal DC-link capacitors when the unit is energized.

The specified configuration does not provide external DC terminals.

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6. Duty Ratings

The drive provides three principal duty classifications.

Duty Classification	Continuous Current	1-Minute Current	3-Second Current	Motor Rating
Light Duty	460 A	506 A	—	450 kW
Normal Duty	415 A	457 A	623 A	400 kW
Heavy Duty	370 A	555 A	666 A	355 kW

The duty classification is important because the motor-power rating cannot be evaluated separately from the actual load profile.

A 400 kW motor with a relatively smooth load can be treated differently from a lower-power motor that has severe acceleration, frequent overload, or high starting torque requirements.

The correct selection should therefore be based on actual motor current and load characteristics.

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7. Light-Duty Operation

The 450 kW Light-Duty rating is appropriate for applications where the load profile is comparatively smooth and the overload requirement is limited.

Typical examples include:

• Large centrifugal pumps.
• Large centrifugal fans.
• Cooling-water systems.
• Ventilation systems.
• Process blowers.
• Large air-handling equipment.

Centrifugal loads are often well suited to variable-frequency control because the required motor speed can be adjusted according to actual process demand.

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8. Normal-Duty Operation

The 400 kW Normal-Duty rating provides a substantial operating range for general industrial machinery.

Typical applications include:

• Process pumps.
• Conveyors.
• Large blowers.
• Material-handling equipment.
• Industrial fans.
• General process machinery.

The Normal-Duty rating is often a practical starting point for industrial motor selection when the application does not have exceptionally severe overload requirements.

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9. Heavy-Duty Operation

The 355 kW Heavy-Duty rating is intended for applications with greater torque and overload requirements.

Potential applications include:

• Heavy conveyors.
• Mixers.
• Crushers.
• Material-processing equipment.
• Heavy-duty pumps.
• Certain production machines.
• High-inertia machinery.

When an application requires repeated acceleration or substantial overload capability, the Heavy-Duty rating should be considered rather than selecting the drive solely according to the motor’s nominal kW rating.

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10. Embedded EtherNet/IP

The 20G1AJF415JN0NNNNN includes embedded EtherNet/IP communication.

This is one of the important features for modern industrial automation systems.

A typical architecture can be arranged as:

PLC / DCS → EtherNet/IP → PowerFlex 755 → Motor

The network can be used to exchange information such as:

• Start and stop commands.
• Speed references.
• Frequency references.
• Drive status.
• Motor current.
• Output frequency.
• Speed feedback.
• Fault information.
• Alarm information.
• Diagnostic information.
• Parameter information.

This enables the drive to operate as part of a larger control system rather than functioning as an isolated motor controller.

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11. Centralized Automation

The JN0 configuration is particularly suitable for centralized automation.

In a large industrial plant, the drive may be installed in an electrical room while operators work from a central control room.

The operator may therefore interact with the drive through:

• PLC logic.
• DCS controls.
• SCADA screens.
• Remote HMI.
• Industrial Ethernet.
• Engineering software.

This arrangement reduces the need for technicians and operators to interact with the drive’s physical front panel during normal operation.

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12. Blank / No HIM Configuration

The 20G1AJF415JN0NNNNN is specified with a Blank / No HIM configuration.

HIM means Human Interface Module.

The absence of a HIM is not necessarily a limitation.

For centralized automation installations, the drive can be operated through the plant control system.

This configuration can be advantageous when:

• The drive is installed inside an electrical room.
• Local operation is not required.
• The control system provides a remote operator interface.
• A PLC or DCS handles the primary commands.
• The plant uses standardized remote diagnostics.

Where local keypad operation is required, a related configuration with an appropriate HIM can be selected instead.

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13. CM Jumper Installed

One important distinction of the JN0 configuration is that the CM jumper is installed.

The common-mode configuration should be considered together with:

• Grounding.
• Motor cable construction.
• Motor insulation.
• Cable length.
• EMC requirements.
• Electrical system configuration.
• Leakage-current considerations.

The correct CM configuration is part of the overall drive installation design.

It should not be treated independently from the motor, cable, grounding system, and plant electrical architecture.

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14. Input Filtering

The model is specified as Filtered.

The input filtering arrangement is intended to help control high-frequency electrical noise associated with switching power electronics.

In a large industrial system, filtering can contribute to improved electromagnetic compatibility.

However, overall EMC performance also depends on:

• Cable routing.
• Grounding.
• Shielding.
• Motor cable construction.
• Cabinet layout.
• Installation practices.
• Separation between power and signal wiring.

For this reason, the filter should be regarded as part of a complete EMC design rather than a standalone solution.

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15. Dynamic Braking

The specified model has no dynamic braking.

This characteristic should be considered when the drive is used with high-inertia loads.

During rapid deceleration, the motor can return energy to the drive’s DC bus.

This regenerative energy can increase DC-bus voltage.

Applications requiring aggressive deceleration therefore need to be evaluated carefully.

Potential examples include:

• Large centrifuges.
• High-inertia conveyors.
• Hoisting machinery.
• Rapid-cycle machinery.
• Large rotating equipment.
• Certain winding machines.

Depending on the application, controlled deceleration, external braking equipment, or regenerative energy management may be required.

For large centrifugal fans and pumps, where gradual acceleration and deceleration are normally acceptable, the absence of integrated dynamic braking may be less significant.

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16. Cooling System

The 20G1AJF415JN0NNNNN uses forced-air cooling.

The power electronics generate significant heat during operation.

The cooling system moves air through the power section to remove this heat.

Adequate ventilation is therefore essential.

The installation should provide:

• Sufficient airflow.
• Suitable ambient temperature.
• Clear air passages.
• Adequate heat removal.
• Accessible cooling components.
• Proper maintenance conditions.

Large Frame 8 equipment can release considerable heat into the electrical room.

The room’s HVAC system should therefore be designed around the total heat load of the installed equipment.

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17. Mechanical Construction

The drive uses Frame 8 construction.

The approximate standard Frame 8 cabinet reference is shown below.

Mechanical Parameter	Approximate Value
Model	20G1AJF415JN0NNNNN
Frame	8
Height	2477 mm
Width	600 mm
Basic Depth	800 mm
Depth with Filter Arrangement	Approximately 898 mm
Approximate Weight	644 kg
Enclosure	IP54
Enclosure Type	Type 12
Cabinet Style	MCC Style
Cooling	Forced Air

The actual overall dimensions can change depending on cabinet arrangement and installed options.

For final project engineering, transportation, foundation design, and lifting calculations, the project-specific mechanical drawing should be used.

At approximately 644 kg, the unit is substantial industrial equipment and requires suitable handling and lifting arrangements.

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18. Enclosure Protection

The model uses an IP54 / Type 12 enclosure arrangement.

This provides a higher level of environmental protection than an open-frame drive.

The enclosure is appropriate for many industrial electrical-room and MCC-style applications.

Typical environments include:

• Manufacturing plants.
• Process plants.
• Water-treatment facilities.
• Mining facilities.
• Cement plants.
• Utility installations.
• Material-handling facilities.

The enclosure does not eliminate the need for appropriate environmental control.

Dust, moisture, corrosive gases, ambient temperature, altitude, and other environmental conditions should still be evaluated during system design.

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19. Product Applications

Large Pumps

The drive is particularly suitable for large pumping systems.

Potential applications include:

• Raw-water pumps.
• Cooling-water pumps.
• High-lift pumps.
• Process pumps.
• Transfer pumps.
• Mine dewatering pumps.
• Industrial circulation pumps.
• Utility pumps.

Variable-speed control allows the motor to operate according to process requirements rather than continuously running at a fixed speed.

This can improve flow and pressure control while reducing unnecessary motor operation.

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20. Large Fans and Blowers

Large fans are another important application.

Typical examples include:

• Furnace fans.
• Exhaust fans.
• Ventilation fans.
• Dust-collection fans.
• Cement-process fans.
• Mining ventilation fans.
• Industrial blowers.
• Combustion-air systems.

For centrifugal fans, variable-speed operation is particularly useful because airflow and pressure requirements can change throughout the production process.

The 450 kW Light-Duty capability provides considerable capacity for large fan applications.

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21. Conveyor Systems

The drive can be used for suitable large conveyor systems.

Potential applications include:

• Mining conveyors.
• Cement conveyors.
• Aggregate conveyors.
• Port material handling.
• Bulk material systems.
• Steel handling.
• Industrial production conveyors.

Controlled acceleration can reduce mechanical shock to:

• Belts.
• Gearboxes.
• Couplings.
• Bearings.
• Conveyor structures.

Variable-speed operation can also allow the conveyor speed to be matched to production requirements.

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22. Mining Equipment

Large mining installations frequently require high-power variable-speed motors.

Potential applications include:

• Mine ventilation.
• Dewatering.
• Conveyors.
• Material handling.
• Processing equipment.
• Crushing systems.
• Large auxiliary machinery.

The Frame 8 cabinet and IP54 / Type 12 construction provide a practical configuration for suitable electrical-room installations.

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23. Cement and Aggregate Equipment

The model is suitable for many large-motor applications in cement and aggregate plants.

Potential equipment includes:

• Process fans.
• Large conveyors.
• Dust-collection fans.
• Pumps.
• Crushers.
• Material-handling equipment.
• Process blowers.
• Utility machinery.

The 690 VAC architecture is especially appropriate for large motors where the plant’s electrical distribution system is based on this voltage class.

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24. Steel and Metal Processing

Large steel and metal-processing plants use variable-speed drives for many auxiliary and process functions.

Possible applications include:

• Cooling-water pumps.
• Large fans.
• Material conveyors.
• Process equipment.
• Auxiliary machinery.
• Material-handling systems.

Network integration can allow these drives to operate as part of a coordinated production-control system.

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25. Water and Wastewater Applications

The drive is suitable for high-power water-system equipment.

Potential applications include:

• Raw-water pumping.
• High-lift pumping.
• Transfer pumping.
• Cooling systems.
• Large aeration blowers.
• Industrial wastewater pumping.
• Process-water circulation.

A PLC or process controller can adjust motor speed according to:

• Flow.
• Pressure.
• Tank level.
• Process demand.

This makes the drive useful for automated pumping systems.

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26. Process Industry Applications

The PowerFlex 755 platform can also be used in various process industries.

Potential applications include:

• Pulp and paper.
• Chemical processing.
• Mineral processing.
• General manufacturing.
• Industrial utilities.
• Bulk material processing.
• Large ventilation systems.
• Process pumping.
• Material handling.

The actual application must be evaluated according to motor current, load torque, speed range, overload requirements, braking requirements, and environmental conditions.

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27. Major Product Advantages

High-Power 690 VAC Operation

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

It allows substantial motor power to be handled without requiring the extremely high current that would be necessary at lower motor voltages.

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415 A Current Class

The 415 A current class provides a useful high-power range for large industrial motors.

It sits between the 370 A and 460 A configurations in the same 690 V PowerFlex 755 range.

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450 kW Light-Duty Capability

The 450 kW Light-Duty rating provides substantial capacity for centrifugal pumps, fans, blowers, and similar loads.

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400 kW Normal-Duty Capability

The 400 kW Normal-Duty rating is suitable for many large general industrial applications.

It provides a useful balance between motor capacity and overload capability.

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355 kW Heavy-Duty Capability

The 355 kW Heavy-Duty rating provides a more conservative motor-power selection for applications with greater torque or overload requirements.

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Embedded EtherNet/IP

Integrated network communication simplifies connection to industrial automation systems.

This can reduce the need for extensive hardwired control wiring and provide better access to operating and diagnostic information.

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IP54 / Type 12 Construction

The protected enclosure is suitable for many industrial environments.

It also provides a practical configuration for large electrical rooms and MCC-style installations.

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Centralized Control

The No-HIM configuration works particularly well in centralized control architectures.

The drive can be controlled through the plant’s PLC, DCS, SCADA system, or remote HMI.

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Flexible Related Product Range

The PowerFlex 755 family provides multiple current ratings around the 415 A class.

This makes it easier to standardize drive architecture across a plant.

For example, lower-capacity motors can use the 330 A or 370 A class, while larger motors can use the 460 A or 500 A class.

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28. Comparison with the 370 A Model

The closest lower-capacity related model is 20G1AJF370JN0NNNNN.

Parameter	20G1AJF370JN0NNNNN	20G1AJF415JN0NNNNN
Voltage	690 VAC	690 VAC
Nominal Current	370 A	415 A
Light Duty	400 kW	450 kW
Normal Duty	355 kW	400 kW
Heavy Duty	300 kW	355 kW
Frame	8	8
Enclosure	IP54 / Type 12	IP54 / Type 12
Cooling	Forced Air	Forced Air
EtherNet/IP	Embedded	Embedded
Input	AC with Precharge	AC with Precharge
Dynamic Braking	None	None
HIM	No HIM	No HIM
CM Jumper	Installed	Installed

The 415 A model provides a meaningful increase in capacity over the 370 A model.

If the motor current is approaching the upper capability of the 370 A configuration, the 415 A model provides additional operating margin.

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29. Comparison with the 460 A Model

The next higher common model is 20G1AJF460JN0NNNNN.

Parameter	20G1AJF415JN0NNNNN	20G1AJF460JN0NNNNN
Voltage	690 VAC	690 VAC
Current	415 A	460 A
Light Duty	450 kW	500 kW
Normal Duty	400 kW	450 kW
Heavy Duty	355 kW	375 kW
Frame	8	8
Enclosure	IP54 / Type 12	IP54 / Type 12
Cooling	Air Cooled	Air Cooled
EtherNet/IP	Embedded	Embedded
HIM	No HIM	No HIM
Dynamic Braking	None	None

The 460 A version should be considered when the motor current or application duty exceeds the practical range of the 415 A model.

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30. Five Recommended Related Models

The following five models are closely related to the target model and form a practical selection group within the 690 V PowerFlex 755 range.

Model	Voltage	LD Rating	ND Rating	HD Rating	Frame	Main Configuration
20G1AJF265JN0NNNNN	690 VAC	315 kW	250 kW	200 kW	8	Air Cooled, IP54 / Type 12, No HIM
20G1AJF330JN0NNNNN	690 VAC	355 kW	315 kW	250 kW	8	Air Cooled, IP54 / Type 12, No HIM
20G1AJF370JN0NNNNN	690 VAC	400 kW	355 kW	300 kW	8	Air Cooled, IP54 / Type 12, No HIM
20G1AJF460JN0NNNNN	690 VAC	500 kW	450 kW	375 kW	8	Air Cooled, IP54 / Type 12, No HIM
20G1AJF500JN0NNNNN	690 VAC	530 kW	500 kW	400 kW	8	Air Cooled, IP54 / Type 12, No HIM

The 690 V selection range progresses through the 265 A, 330 A, 370 A, 415 A, 460 A, and 500 A classes, providing a practical current and power range for large motor applications.

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31. Detailed Parameters of the Five Related Models

Model	Current	LD Current	ND Current	HD Current	LD Power	ND Power	HD Power	Frame
20G1AJF265JN0NNNNN	265 A	330 A	265 A	215 A	315 kW	250 kW	200 kW	8
20G1AJF330JN0NNNNN	330 A	370 A	330 A	265 A	355 kW	315 kW	250 kW	8
20G1AJF370JN0NNNNN	370 A	410 A	370 A	308 A	400 kW	355 kW	300 kW	8
20G1AJF415JN0NNNNN	415 A	460 A	415 A	370 A	450 kW	400 kW	355 kW	8
20G1AJF460JN0NNNNN	460 A	500 A	460 A	375 A	500 kW	450 kW	375 kW	8

These models share the same basic 690 VAC PowerFlex 755 family architecture while providing different current and motor-power capacities.

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32. Five Popular Allen-Bradley Models

For a broader product selection, the following five models represent useful and widely encountered drive configurations across the Allen-Bradley PowerFlex range.

Model	Series	Voltage	Current / Capacity	Motor Rating	Frame	Protection	Typical Application
25B-D030N114	PowerFlex 525	380–480 VAC	30 A	15 kW ND / 11 kW HD	D	IP20	General machine control
25C-D030N114	PowerFlex 527	380–480 VAC	30 A	15 kW ND / 11 kW HD	D	IP20	Networked machine control
20F1AND302JA0NNNNN	PowerFlex 753	480 VAC	302 A	250 HP ND / 200 HP HD	7	IP20/IP00	Large industrial equipment
20G1AJE460JN4NNNNN	PowerFlex 755	600 VAC	460 A	500 HP LD / 500 HP ND / 400 HP HD	8	IP54	Large industrial motors
20G1AJF415JN4NNNNN	PowerFlex 755	690 VAC	415 A	450 kW LD / 400 kW ND / 355 kW HD	8	IP54	High-power process equipment

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33. Popular Model – 25B-D030N114

The 25B-D030N114 belongs to the PowerFlex 525 family.

It is designed for a much smaller power range than the target PowerFlex 755 model.

Its typical operating voltage is in the 380–480 VAC three-phase class, with approximately 30 A output current.

Typical applications include:

• Small pumps.
• Small fans.
• Conveyors.
• Packaging machinery.
• General machine control.
• Production equipment.

The compact nature of this drive makes it more suitable for machine-level installations than large Frame 8 PowerFlex 755 systems.

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34. Popular Model – 25C-D030N114

The 25C-D030N114 belongs to the PowerFlex 527 family.

It is intended for machine applications requiring network-based drive control and integration with automation systems.

Its approximate 30 A current class places it far below the 415 A capacity of the target model.

Typical applications include:

• Conveyors.
• Machine tools.
• Packaging machines.
• Material-handling equipment.
• Small process machines.

The PowerFlex 527 is therefore a machine-level product rather than a direct electrical substitute for the PowerFlex 755.

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35. Popular Model – 20F1AND302JA0NNNNN

The 20F1AND302JA0NNNNN belongs to the PowerFlex 753 family.

It is configured for the 480 VAC class and has an output-current rating of approximately 302 A.

It is therefore suitable for large industrial motors but at a lower voltage class than the target 690 VAC model.

Potential applications include:

• Large pumps.
• Large fans.
• Conveyors.
• Process machinery.
• Material handling.
• Industrial production equipment.

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36. Popular Model – 20G1AJE460JN4NNNNN

The 20G1AJE460JN4NNNNN is another high-capacity PowerFlex 755 configuration.

It belongs to the 600 VAC class and provides approximately 460 A of output capacity.

The JN4 configuration is particularly relevant where a local operator interface is desirable.

Compared with the JN0 target model, this configuration provides a different voltage class and operator-interface arrangement.

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37. Popular Model – 20G1AJF415JN4NNNNN

The 20G1AJF415JN4NNNNN is very closely related to the target model.

Both are:

• 690 VAC.
• 415 A.
• PowerFlex 755.
• Frame 8.
• IP54 / Type 12.
• Air cooled.
• Embedded EtherNet/IP.
• AC input with precharge.

The major practical difference is the operator-interface configuration.

The JN0 version is configured as Blank / No HIM, while the JN4 configuration provides an enhanced local operator interface.

Therefore:

20G1AJF415JN0NNNNN → centralized / remote-control architecture.

20G1AJF415JN4NNNNN → local operator access plus system-level control.

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38. JN0 Versus JN4 Configuration

Feature	20G1AJF415JN0NNNNN	20G1AJF415JN4NNNNN
Voltage	690 VAC	690 VAC
Current	415 A	415 A
Light Duty	450 kW	450 kW
Normal Duty	400 kW	400 kW
Heavy Duty	355 kW	355 kW
Frame	8	8
Enclosure	IP54 / Type 12	IP54 / Type 12
Cooling	Forced Air	Forced Air
EtherNet/IP	Embedded	Embedded
Input	AC with Precharge	AC with Precharge
Dynamic Braking	None	None
CM Jumper	Installed	Installed
HIM	Blank / No HIM	Enhanced Local HIM Configuration
Best Application	Centralized Control	Local + Centralized Control

The two configurations are electrically very close.

The choice is primarily driven by the desired operator-interface arrangement and project configuration.

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39. Dimensions and Weight

The physical size of this drive is an important consideration because it is a large Frame 8 industrial product.

Mechanical Parameter	Approximate Value
Model	20G1AJF415JN0NNNNN
Frame	8
Height	2477 mm
Width	600 mm
Depth	800 mm
Depth with Filter Arrangement	Approximately 898 mm
Approximate Weight	644 kg
Enclosure	IP54
Type	Type 12
Cabinet Style	MCC Style
Cooling	Forced Air

The 800 mm cabinet depth is a major physical characteristic of the product.

The approximately 644 kg weight also means that transportation, unloading, positioning, and installation require appropriate mechanical planning.

If additional cabinet sections or option cabinets are included in the final system, the overall footprint and weight can be considerably greater than the base drive arrangement.

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40. Installation Considerations

Electrical Installation

The drive should be installed in an electrical system designed for the 690 VAC voltage class.

Appropriate upstream protection, disconnecting arrangements, grounding, cable sizing, and short-circuit considerations should be established during project design.

Motor Cable

The motor cable should be selected according to:

• Motor current.
• Cable length.
• Installation environment.
• Temperature.
• EMC requirements.
• Motor insulation.
• Grounding arrangement.

Ventilation

The forced-air cooling system requires adequate ventilation.

The electrical room should be capable of removing the total heat generated by all installed equipment.

Mechanical Access

Because the drive is approximately 2.477 m high, installation planning should consider:

• Door openings.
• Transport routes.
• Lifting equipment.
• Floor loading.
• Maintenance access.
• Cabinet clearance.

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41. Typical Control Architecture

A typical installation can be represented as:

690 VAC Three-Phase Supply

↓

Input Protection / Isolation

↓

PowerFlex 755 20G1AJF415JN0NNNNN

↓

Large Industrial Motor

The control side can be arranged as:

PLC / DCS

↓

EtherNet/IP

↓

PowerFlex 755

↓

Motor Speed / Torque Control

Process instruments can provide feedback to the control system.

For example:

Pressure Transmitter → PLC → Speed Reference → PowerFlex 755 → Pump Motor

or:

Airflow Sensor → PLC → Speed Reference → PowerFlex 755 → Fan Motor

This architecture is particularly useful in large automated facilities.

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42. Benefits for Large Industrial Plants

A major advantage of the PowerFlex 755 architecture is that the same general drive platform can be used across many different motor sizes.

A large plant can therefore standardize its drive-control philosophy.

For example:

• Smaller motors can use smaller PowerFlex drives.
• Medium motors can use PowerFlex 753 configurations.
• Large 690 VAC motors can use PowerFlex 755 Frame 8 configurations.

This can simplify:

• Engineering.
• Programming.
• Maintenance.
• Spare-parts planning.
• Technician training.
• Network integration.
• Troubleshooting.

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43. Maintenance and Diagnostics

The network-connected configuration allows important operating information to be incorporated into the plant control architecture.

Useful information can include:

• Drive running status.
• Stop status.
• Fault status.
• Alarm status.
• Motor current.
• Output frequency.
• Speed reference.
• Actual speed.
• Drive temperature information.
• Communication status.
• Parameter information.

This can make troubleshooting more efficient.

Instead of treating the drive as an isolated electrical component, maintenance personnel can view the drive as part of the overall automation system.

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44. Application Selection Guide

Application	Suitability	Preferred Duty
Large Centrifugal Pump	Excellent	Light / Normal
Large Centrifugal Fan	Excellent	Light / Normal
Large Blower	Excellent	Light / Normal
Water Pump	Excellent	Normal
Mine Dewatering Pump	Excellent	Normal
Large Conveyor	Very Good	Normal / Heavy
Cement Conveyor	Very Good	Normal / Heavy
Mining Conveyor	Very Good	Normal / Heavy
Process Machinery	Very Good	Normal
Mixer	Very Good	Normal / Heavy
Crusher	Application Dependent	Heavy
Hoist	Special Evaluation	Heavy / Special
High-Inertia Machine	Application Dependent	Heavy
Regenerative Load	Special Evaluation	Braking / Regeneration Required

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45. Engineering Selection Checklist

Selection Item	Requirement
Supply Voltage	690 VAC
Supply Phase	Three Phase
Motor Current	Within selected duty rating
Motor Power	Within applicable LD / ND / HD rating
Motor Frequency	Verify
Motor Speed	Verify
Load Torque	Verify
Acceleration Time	Verify
Deceleration Time	Verify
Overload Requirement	Verify
Regenerative Energy	Evaluate
Dynamic Braking	External solution if required
Ambient Temperature	Verify
Altitude	Verify
Cooling	Adequate ventilation required
Motor Cable Length	Verify
Motor Cable Construction	Verify
Grounding	Verify
EMC	Verify
Cabinet Space	Verify
Lifting Requirements	Verify
Network Architecture	EtherNet/IP
Local HIM Requirement	Not included in JN0 configuration

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46. Product Strengths at a Glance

Advantage	Description
High Voltage	690 VAC operation for large motors
High Current	415 A nominal class
High Power	Up to 450 kW Light Duty
Industrial Construction	Frame 8, IP54 / Type 12
Network Integration	Embedded EtherNet/IP
Centralized Control	No-HIM configuration
Flexible Duty Selection	LD / ND / HD ratings
Air Cooling	Forced-air thermal management
Industrial Applications	Pumps, fans, conveyors, process equipment
Product Family Compatibility	Broad PowerFlex 755 range
Maintenance Integration	Suitable for networked diagnostics
Large Motor Capability	Designed for high-power industrial equipment

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47. Overall Product Assessment

The Allen-Bradley 20G1AJF415JN0NNNNN is a high-power PowerFlex 755 AC Drive intended for demanding industrial motor-control applications.

Its 690 VAC, 415 A electrical configuration provides substantial capacity for large three-phase motors.

The three primary motor-power ratings are:

450 kW Light Duty

400 kW Normal Duty

355 kW Heavy Duty

This range makes the drive suitable for a broad selection of large industrial loads.

The Frame 8, IP54 / Type 12, 800 mm deep MCC-style mechanical arrangement provides a robust cabinet-based solution for industrial electrical rooms and process facilities.

The embedded EtherNet/IP capability is particularly useful for centralized automation.

The drive can exchange operating commands, status, faults, alarms, references, and diagnostic information with a plant control system.

The JN0 No-HIM configuration is well suited to installations where local keypad operation is not part of the normal operating procedure.

For large plants with PLC or DCS-based control, this can provide a clean and practical architecture.

The absence of dynamic braking should be considered when selecting the drive for high-inertia or rapid-deceleration loads.

Where substantial regenerative energy is expected, the complete braking or regeneration system should be evaluated during the engineering stage.

The model is particularly well suited to:

• Large pumps.
• Large fans.
• Blowers.
• Conveyors.
• Mining equipment.
• Cement equipment.
• Water systems.
• Material-handling equipment.
• Process machinery.
• Industrial utility systems.

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48. Quick Technical Reference

Item	Specification
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 750-Series
Drive	PowerFlex 755
Model	20G1AJF415JN0NNNNN
Voltage	690 VAC
Phase	3 Phase
Current	415 A
Light Duty	450 kW
Normal Duty	400 kW
Heavy Duty	355 kW
Cooling	Forced Air
Frame	8
Enclosure	IP54 / Type 12
Cabinet Depth	800 mm
Input	AC with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Installed
Dynamic Braking	None
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Approx. Height	2477 mm
Approx. Width	600 mm
Approx. Depth	800 mm
Approx. Filtered Depth	898 mm
Approx. Weight	644 kg
Main Applications	Pumps, fans, blowers, conveyors, mining, cement, process equipment
Closest Lower Model	20G1AJF370JN0NNNNN
Closest Higher Model	20G1AJF460JN0NNNNN
Local-HIM Related Model	20G1AJF415JN4NNNNN

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49. Final Recommendation

For a large industrial motor operating from a 690 VAC three-phase system, the 20G1AJF415JN0NNNNN is a strong choice when the motor current, load profile, and required duty fall within its 415 A class.

The model is especially attractive for centralized automation systems because it combines high motor-power capability with embedded EtherNet/IP and a No-HIM configuration.

For applications requiring more capacity, the 20G1AJF460JN0NNNNN or 20G1AJF500JN0NNNNN can be evaluated.

For applications requiring less capacity, the 20G1AJF370JN0NNNNN or 20G1AJF330JN0NNNNN can provide a closer electrical match.

For installations where technicians require a dedicated local operator interface, the 20G1AJF415JN4NNNNN is the more suitable related configuration.

From an engineering perspective, the most important selection factors are the motor nameplate current, actual load torque, duty cycle, overload requirement, acceleration and deceleration characteristics, regenerative energy, braking requirements, 690 VAC supply, cabinet space, cooling conditions, motor cable arrangement, grounding, EMC requirements, and control-system architecture.

The combination of 415 A capacity, 450/400/355 kW duty ratings, 690 VAC operation, Frame 8 construction, IP54 / Type 12 protection, forced-air cooling, embedded EtherNet/IP, filtered input, installed CM jumper, and No-HIM centralized control makes the 20G1AJF415JN0NNNNN a capable high-power solution for large industrial motor-control systems.