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Allen-Bradley 20G1AGC260JN0NNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1AGC260JN0NNNNN is a high-performance industrial AC variable-frequency drive belonging to the PowerFlex 755 series.

This model is designed for medium-to-large industrial motor applications where reliable variable-speed control, high output current, network connectivity, and robust enclosure protection are required.

The drive is rated for 400 VAC, three-phase input, with a nominal output-current rating of 260 A.

Its published motor ratings are approximately 132 kW for Normal Duty (ND) and 110 kW for Heavy Duty (HD).

The unit uses a Frame 7 power structure and an air-cooled forced-air thermal design.

Unlike a compact machine-level inverter, this model is intended for substantial industrial equipment and centralized motor-control installations.

The configuration includes embedded EtherNet/IP, allowing the drive to participate directly in a networked automation architecture.

It also uses an IP54 / NEMA Type 12 enclosure configuration, which gives it substantially greater environmental protection than an open-frame IP20 drive.

The catalog configuration is specified with AC input with precharge, no DC terminals, filtered input configuration, CM jumper installed, no dynamic braking, and a blank/no-HIM arrangement.

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2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 755
Catalog Number	20G1AGC260JN0NNNNN
Product Type	Industrial AC Variable-Frequency Drive
Drive Architecture	PowerFlex 755 AC Drive
Voltage Class	400 VAC
Input Phase	Three Phase
Output Current	260 A
Normal-Duty Rating	132 kW
Heavy-Duty Rating	110 kW
Frame Size	Frame 7
Cooling	Forced Air / Air Cooled
Enclosure	IP54 / NEMA Type 12
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Dynamic Braking	None
Input	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Installed
Main Application	Industrial Motor Speed Control

The PowerFlex 755 family is an architecture-level AC drive platform designed for a broad range of industrial motor-control applications.

The family includes multiple voltage classes and power ranges, extending from relatively small industrial motors to very large process motors. The 400 VAC configuration represented by this model is one of the high-capacity sections of the PowerFlex 755 family.

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3. Complete Product Description

The 20G1AGC260JN0NNNNN can be summarized as follows:

PowerFlex 755 AC Drive with Embedded EtherNet/IP, Standard Protection, Forced Air Cooling, AC Input with Precharge, No DC Terminals, IP54/NEMA Type 12 enclosure, 260 A output, 132 kW Normal Duty, 110 kW Heavy Duty, 400 VAC, three phase, Frame 7, filtered configuration, CM jumper installed, no dynamic braking, and blank/no HIM.

This combination makes the drive particularly suitable for industrial machinery requiring substantial motor power while still benefiting from network-based control.

The IP54/NEMA Type 12 configuration is also important because it provides a more protected mechanical and electrical installation than an open-frame drive.

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4. Main Technical Parameters

Parameter	Specification
Model	20G1AGC260JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	AC Variable-Frequency Drive
Voltage	400 VAC
Phase	3 Phase
Output Current	260 A
Normal Duty	132 kW
Heavy Duty	110 kW
Frame Size	Frame 7
Cooling	Forced Air
Enclosure	IP54 / NEMA Type 12
Input Type	AC Input with Precharge
DC Terminals	No
Filtering	Filtered
CM Jumper	Installed
Dynamic Braking	None
Network	Embedded EtherNet/IP
HIM	Blank / No HIM
Drive Family	PowerFlex
Drive Series	PowerFlex 755
Installation	Industrial Cabinet / MCC / Enclosed Drive System
Typical Motor Range	Up to approximately 132 kW ND, depending on motor and duty
Approx. Width	Approx. 500–600 mm*
Approx. Height	Approx. 800–1000 mm*
Approx. Depth	Approx. 400–500 mm*
Approx. Weight	Approx. 100–160 kg*

*The exact mechanical dimensions and weight depend on the specific enclosure and mechanical configuration. The public product information confirms that dedicated dimension drawings and 3D mechanical files are available, but it does not provide one universal certified shipping dimension/weight value in the basic product summary. Therefore, the dimensions and weight above should be treated as preliminary engineering estimates rather than certified factory values.

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5. Electrical Rating

The 20G1AGC260JN0NNNNN is designed for a 400 VAC three-phase electrical system.

Its nominal output current is:

260 A

The published power ratings are:

Duty Classification	Motor Power
Normal Duty	132 kW
Heavy Duty	110 kW

These two ratings are important because the appropriate motor size depends on the mechanical load profile.

A motor operating a centrifugal fan may have a significantly different electrical and thermal demand from a motor driving a crusher, conveyor, mixer, or high-inertia machine.

The 132 kW Normal Duty rating is therefore the appropriate reference for applications with general industrial loading characteristics.

The 110 kW Heavy Duty rating should be considered where the machine requires higher overload capability or more demanding torque performance.

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6. Understanding the 132 kW Normal-Duty Rating

The 132 kW Normal Duty rating is intended for applications with relatively moderate overload requirements.

Typical applications may include:

• Large centrifugal pumps
• Large fans
• Blowers
• Process pumps
• Material-handling equipment
• Conveyors
• Industrial ventilation
• General process machinery

Normal Duty operation is generally associated with applications where the motor does not continuously experience severe overload conditions.

The actual motor current must always be checked against the drive’s applicable current rating.

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7. Understanding the 110 kW Heavy-Duty Rating

The 110 kW Heavy Duty rating provides a lower continuous motor-power rating because heavy-duty applications place greater demands on the drive’s power semiconductors and thermal system.

Heavy-duty applications can involve:

• High starting torque
• Frequent acceleration
• Frequent deceleration
• High inertia
• Sudden load changes
• Repeated overload
• Difficult starting conditions

Examples can include:

• Heavy conveyors
• Mixers
• Crushers
• Material-handling machinery
• Certain processing machines
• High-torque production equipment

The lower heavy-duty kW rating should not be interpreted as reduced drive quality.

It reflects the additional thermal and electrical demands associated with heavy-duty operation.

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8. 400 VAC Three-Phase Configuration

The 400 VAC three-phase configuration makes this drive particularly suitable for industrial electrical systems using approximately 380–400 VAC class motors.

This voltage class is widely used in industrial facilities for medium- and high-power motors.

For a 260 A drive, the 400 VAC configuration provides substantial motor-control capability.

It is particularly appropriate for machinery that is too large for compact machine-level drives but does not require the much higher current capacities associated with the largest Frame 8 and Frame 9 PowerFlex configurations.

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9. Frame 7 Construction

The drive uses a Frame 7 power structure.

Frame size is important for both electrical and mechanical engineering.

It affects:

• Overall dimensions
• Cooling requirements
• Power-component arrangement
• Cable access
• Maintenance access
• Installation method
• Heat dissipation
• Mechanical handling

A Frame 7 drive is significantly larger than a compact wall-mounted VFD.

For this reason, the installation should be designed as part of the plant’s electrical infrastructure.

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10. Forced-Air Cooling

The 20G1AGC260JN0NNNNN uses forced-air cooling.

The drive’s power electronics generate heat during normal operation.

The cooling system removes this heat and transfers it to the surrounding environment.

For reliable operation, the installation should provide adequate ventilation and sufficient clearance around the drive.

Important factors include:

• Ambient temperature
• Airflow
• Air cleanliness
• Cooling fan condition
• Cabinet ventilation
• Dust accumulation
• Maintenance access

If the drive is installed in a dusty industrial area, regular cleaning and inspection of cooling paths can be particularly important.

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11. IP54 / NEMA Type 12 Enclosure

One of the major characteristics of this model is the IP54 / NEMA Type 12 enclosure configuration.

This provides greater environmental protection than an open-frame IP20 configuration.

The enclosure is appropriate for many industrial indoor environments where protection against dust and dripping or splashing water is required.

Typical environments can include:

• Manufacturing plants
• Process plants
• Utility rooms
• Pump rooms
• Industrial workshops
• Material-handling facilities
• Production areas

The enclosure rating should still be evaluated against the actual environmental conditions.

Highly corrosive environments, outdoor installations, washdown areas, or explosive atmospheres may require additional engineering measures or a different enclosure strategy.

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12. AC Input with Precharge

The model uses:

AC Input with Precharge, No DC Terminals.

Precharge is particularly important in a high-power variable-frequency drive.

When the drive is initially energized, its internal DC-link capacitors must charge.

A controlled precharge process limits the initial charging current and provides a more controlled startup sequence.

This should be considered when designing:

• Incoming power protection
• Disconnect equipment
• MCC connections
• Circuit breakers
• Fuses
• Switching equipment
• System startup sequences

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13. No DC Terminals

This configuration does not provide external DC terminals.

This is relevant for system designers considering common-DC-bus architectures or external DC power arrangements.

For a conventional AC-input application, however, the configuration provides a straightforward architecture:

AC supply → PowerFlex 755 drive → AC motor

This makes the model suitable for conventional variable-frequency motor-control installations.

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14. Filtered Configuration

The drive is configured with filtering.

Filtering is important because PWM-based variable-frequency drives generate high-frequency electrical components during operation.

Proper filtering, grounding, and cable management can help control electrical noise.

This becomes particularly important when the drive is installed near:

• PLC equipment
• Instrumentation
• Encoders
• Communication systems
• Measurement devices
• Sensitive control equipment

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15. CM Jumper Installed

The catalog configuration specifies:

CM Jumper Installed.

The common-mode configuration affects the electrical relationship between the drive, motor, motor cable, and grounding system.

This is particularly relevant for installations involving long motor cables.

Proper grounding and cable installation remain important even when the drive has a defined factory CM configuration.

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16. Dynamic Braking

The specified model has:

Dynamic Braking: None.

This means the standard catalog configuration does not include the specified dynamic-braking arrangement.

For many applications, this is acceptable.

Large fans and pumps, for example, may not require rapid stopping.

However, applications with:

• High inertia
• Rapid deceleration
• Frequent stopping
• Vertical movement
• Regenerative energy
• Rapid speed changes

may require a separate braking solution.

Braking requirements should therefore be evaluated based on the machine’s actual mechanical characteristics.

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17. Blank / No HIM Configuration

The 20G1AGC260JN0NNNNN is specified with:

Blank – No HIM.

This configuration is particularly suitable for systems where the drive is intended to be controlled and monitored through an external automation system.

A blank-HIM configuration can be attractive when:

• The PLC provides the main control interface.
• The HMI is installed elsewhere.
• The drive is inside a controlled electrical room.
• Local operator control is not required.
• A centralized control system is preferred.

If frequent local commissioning is required, a related configuration with an appropriate HIM may be more convenient.

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18. Embedded EtherNet/IP

The drive includes embedded EtherNet/IP.

This is one of the major advantages of the PowerFlex 755 architecture.

The drive can communicate with a plant automation system through an industrial Ethernet network.

Potential functions include:

• Start commands
• Stop commands
• Speed reference
• Drive status
• Fault status
• Alarm information
• Parameter access
• Diagnostic information
• Operating data
• Process information

For plants containing multiple drives, network communication can significantly simplify the overall control architecture.

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19. Industrial Applications

19.1 Pumps

The 20G1AGC260JN0NNNNN is well suited to industrial pumping applications.

Potential applications include:

• Water pumps
• Process pumps
• Cooling-water pumps
• Transfer pumps
• Circulation pumps
• Industrial utility pumps
• Wastewater pumps

Variable-speed control allows the motor to operate according to actual process requirements.

This can provide greater flexibility than fixed-speed motor operation.

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20. Fans and Blowers

Fans are another important application.

Potential applications include:

• Industrial ventilation
• Process exhaust
• Furnace fans
• Air-handling systems
• Dust collection
• Cooling systems
• Large industrial blowers

Variable-speed operation allows airflow to be adjusted according to production requirements.

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21. Conveyor Systems

The 260 A capacity makes this drive suitable for many medium-to-large conveyor systems.

Applications include:

• Bulk-material conveyors
• Aggregate conveyors
• Cement conveyors
• Warehouse conveyors
• Mining auxiliary conveyors
• Production-line conveyors

Controlled acceleration can reduce mechanical shock.

Controlled deceleration can also provide smoother machine operation.

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22. Material Handling

Material-handling machinery can benefit from controlled speed and acceleration.

Potential applications include:

• Feeders
• Conveyors
• Transfer systems
• Bulk-material equipment
• Processing machinery

Network integration is particularly useful when the drive is part of a larger material-handling automation system.

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23. Mining Applications

The PowerFlex 755 family is suitable for a broad range of industrial motor applications, including pumps, fans, and conveyors.

The 20G1AGC260JN0NNNNN can be considered for mining support equipment such as:

• Ventilation fans
• Dewatering pumps
• Conveyors
• Material-handling equipment
• Process pumps

Final environmental suitability depends on the actual installation conditions.

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24. Cement and Aggregate Equipment

Cement and aggregate plants frequently use variable-speed motors.

Potential applications include:

• Conveyors
• Fans
• Pumps
• Feeders
• Material-handling systems
• Processing equipment

The IP54/NEMA Type 12 enclosure is useful for many indoor industrial environments where dust protection is important.

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25. Water and Wastewater

Potential water and wastewater applications include:

• Transfer pumps
• Process pumps
• Circulation systems
• Aeration blowers
• Dewatering pumps
• Water-treatment equipment

Variable-speed operation can allow the process system to respond to changing flow requirements.

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26. Manufacturing Machinery

The drive can also be used in general manufacturing.

Potential machinery includes:

• Large mixers
• Process machines
• Material-handling equipment
• Fans
• Pumps
• Production equipment

For machines requiring precise control, the PowerFlex 755 platform offers considerably more flexibility than basic fixed-speed motor starters.

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27. Main Product Advantages

27.1 High 260 A Current Capacity

The 260 A output-current class provides substantial motor-control capability.

It is suitable for industrial motors that are too large for compact VFDs but do not require the very highest current ratings of the PowerFlex 755 family.

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27.2 132 kW Normal-Duty Rating

The 132 kW Normal Duty rating provides a strong operating point for general industrial motor applications.

It is suitable for many pumps, fans, conveyors, and process machines.

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27.3 110 kW Heavy-Duty Rating

The 110 kW Heavy Duty rating provides additional application flexibility where higher overload capability is required.

This is useful for applications with demanding torque requirements.

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27.4 400 VAC Three-Phase Operation

The 400 VAC three-phase configuration fits a large number of industrial motor systems.

This makes the model particularly useful for industrial facilities using 380–400 VAC class motor systems.

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27.5 IP54 / NEMA Type 12 Protection

The enclosed configuration provides better environmental protection than open-frame drive designs.

This makes it suitable for many industrial indoor environments.

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27.6 Embedded EtherNet/IP

Embedded EtherNet/IP makes network integration straightforward.

This is especially valuable for plants using centralized PLC-based automation.

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27.7 Flexible Industrial Architecture

The PowerFlex 755 platform supports different control, communication, feedback, and hardware options.

This makes it possible to configure drives for different types of industrial machinery.

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28. Mechanical Dimensions

The product information provides dedicated dimension drawings and a 3D STEP model for the catalog number.

However, the public product summary does not give a single universal dimension and shipping-weight value.

For preliminary engineering, the following values can be used:

Mechanical Parameter	Approximate Value
Width	Approx. 500–600 mm
Height	Approx. 800–1000 mm
Depth	Approx. 400–500 mm
Approx. Overall Envelope	Approx. 800–1000 × 500–600 × 400–500 mm
Approx. Weight	Approx. 100–160 kg
Frame	Frame 7
Enclosure	IP54 / NEMA Type 12
Cooling	Forced Air
Installation	Industrial Enclosed Drive
Local HIM	None

These dimensions and weight values should be treated as preliminary planning estimates.

For final cabinet fabrication, transportation planning, floor loading, lifting, and installation, the exact mechanical drawing associated with the actual unit should be used.

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29. Installation Considerations

The 20G1AGC260JN0NNNNN is a substantial industrial drive.

Installation should consider:

• Incoming power
• Motor cable routing
• Grounding
• Ventilation
• Ambient temperature
• Cabinet clearance
• Maintenance access
• Network cabling
• Control wiring
• EMC considerations
• Motor insulation
• Cable length

The drive should be installed in an environment appropriate for its enclosure rating.

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30. Cooling Requirements

The forced-air cooling system requires adequate airflow.

The installation should avoid blocking ventilation openings.

The following conditions should be monitored:

• Ambient temperature
• Cooling fan operation
• Airflow
• Dust
• Cabinet temperature
• Ventilation

A high ambient temperature can reduce the effective thermal capacity of a drive.

For this reason, electrical-room ventilation and heat management should be considered during project design.

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31. Motor Selection

When selecting a motor for this drive, the engineer should consider more than motor horsepower or kW.

Motor Parameter	Importance
Motor Voltage	Must match the electrical system
Full-Load Current	Must remain within the drive rating
Motor Power	Compare against ND/HD rating
Motor Frequency	Important for operating range
Motor Speed	Determines required speed range
Starting Torque	Important for heavy-duty applications
Overload	Determines duty selection
Acceleration Time	Affects current demand
Deceleration Time	Affects braking requirements
Motor Cable Length	Important for VFD installation
Motor Insulation	Important for inverter-fed motors
Grounding	Essential for reliable operation
Environmental Conditions	Must match installation requirements

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32. Why Current Rating Is More Important Than kW Alone

The 260 A rating should be compared directly with the motor’s actual current requirement.

Motor power and current are related, but they are not identical.

Actual current depends on:

• Voltage
• Motor efficiency
• Power factor
• Motor design
• Operating speed
• Load
• Duty cycle

Therefore, a motor rated close to 132 kW should not automatically be assumed to be compatible.

The motor nameplate current and the required application duty should always be checked.

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33. Normal Duty Versus Heavy Duty

The difference between 132 kW ND and 110 kW HD is important.

Application Type	Recommended Reference
Large centrifugal fan	Normal Duty may be appropriate
Large centrifugal pump	Normal Duty may be appropriate
Continuous conveyor	Evaluate ND/HD according to load
Heavy conveyor	Heavy Duty should be considered
Mixer	Heavy Duty may be appropriate
Crusher	Heavy Duty is important
High-inertia machine	Evaluate HD and braking requirements
General process machine	ND or HD depending on torque

This is one of the most important aspects of selecting a drive correctly.

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34. Local HIM Consideration

The target model uses a blank/no-HIM configuration.

This can be advantageous when the control system is centralized.

For example, an industrial plant may have:

PLC → EtherNet/IP → PowerFlex 755 → Motor

with the operator using a plant HMI rather than a local drive keypad.

This arrangement can reduce the need for local operator interfaces throughout the plant.

However, if technicians need frequent local access, a related PowerFlex 755 configuration with a local HIM may be preferable.

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35. Network-Controlled Applications

The blank-HIM configuration is especially attractive for network-controlled systems.

Potential architecture:

Central Control System

↓

Industrial Ethernet Network

↓

PowerFlex 755

↓

Motor

This approach can be used for large production systems where the motor drive is one part of a centralized automation strategy.

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36. Maintenance Advantages

Although the target configuration has no local HIM, embedded EtherNet/IP can still provide significant diagnostic possibilities when properly integrated with the control system.

The automation system can monitor:

• Drive status
• Fault conditions
• Alarm conditions
• Speed
• Reference
• Operating state
• Process information

This can allow maintenance personnel to diagnose certain problems from a control room.

For plants with many drives, this can be a major operational advantage.

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37. Recommended Same-Series / Related Models

The following models are useful comparison choices within the PowerFlex 755 family.

Model	Voltage	Current	Power Rating	Frame	Enclosure / Style	HIM	Typical Use
20G1AGC205JN0NNNNN	400 VAC, 3 PH	205 A	Approx. 110 kW ND / 90 kW HD	Frame 6/7 class	Enclosed industrial	Blank	Medium-large motors
20G1AGC260JN0NNNNN	400 VAC, 3 PH	260 A	132 kW ND / 110 kW HD	Frame 7	IP54 / NEMA 12	Blank	Target model / large industrial motors
20G1AGC302JN0NNNNN	400 VAC, 3 PH	302 A	Approx. 160 kW ND / 132 kW HD	Frame 7	Enclosed industrial	Blank	Larger process motors
20G1AGC367JN0NNNNN	400 VAC, 3 PH	367 A	Approx. 200 kW ND / 160 kW HD	Frame 7	Enclosed industrial	Blank	Large pumps, fans, conveyors
20G1AGC456JN0NNNNN	400 VAC, 3 PH	456 A	Approx. 250 kW ND / 200 kW HD	Frame 7	Enclosed industrial	Blank	High-power industrial motors

The PowerFlex 755 selection information identifies the 400 VAC family around the 260 A, 302 A, 367 A, and 456 A ranges, with the corresponding normal- and heavy-duty power classes.

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38. Detailed Comparison of Related Models

20G1AGC205JN0NNNNN

This model is a useful lower-capacity alternative.

It can be considered when the motor current is below the 260 A level.

It provides a similar PowerFlex 755 architecture while reducing drive capacity and, potentially, overall installation requirements.

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20G1AGC260JN0NNNNN

This is the target model.

Its 260 A rating provides a strong balance between physical size and motor-control capability.

It is particularly suitable for motors in the approximately 110–132 kW class depending on duty.

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20G1AGC302JN0NNNNN

This model increases the current capacity to approximately 302 A.

It is useful when the motor requirements exceed the 260 A configuration.

It can be considered for larger pumps, fans, conveyors, and process machines.

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20G1AGC367JN0NNNNN

The 367 A configuration is a further step upward in capacity.

It is useful for large industrial machinery where the 260 A and 302 A versions are not sufficient.

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20G1AGC456JN0NNNNN

The 456 A configuration provides substantially more output capability.

It can be considered for very large 400 VAC motors approaching the upper end of the Frame 7 range.

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39. Five Same-Series Models – Quick Comparison

Model	Current	Normal Duty	Heavy Duty	Frame	Cooling	Typical Application
20G1AGC205JN0NNNNN	205 A	Approx. 110 kW	Approx. 90 kW	Frame 6/7 class	Air	Pumps, fans
20G1AGC260JN0NNNNN	260 A	132 kW	110 kW	Frame 7	Air	Large pumps, conveyors
20G1AGC302JN0NNNNN	302 A	Approx. 160 kW	132 kW	Frame 7	Air	Large process machinery
20G1AGC367JN0NNNNN	367 A	Approx. 200 kW	160 kW	Frame 7	Air	Large industrial motors
20G1AGC456JN0NNNNN	456 A	Approx. 250 kW	200 kW	Frame 7	Air	High-power process equipment

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40. Five Popular Allen-Bradley Models

For broader comparison, the following models are useful examples from the same brand’s drive portfolio.

Model	Series	Voltage Class	Approx. Current / Capacity	Typical Application	Size Class
25B-D030N114	PowerFlex 525	480 VAC class	Approx. 30 A class	Machine control	Compact
25C-D030N114	PowerFlex 523	480 VAC class	Approx. 30 A class	Basic machine VFD	Compact
20G1ABC260JN0NNNNN	PowerFlex 755	480 VAC	260 A class	Industrial motor control	Large
20G1ABC302JN4NNNNN	PowerFlex 755	480 VAC	302 A class	Large process equipment	Large
20G1ABC460JN4NNNNN	PowerFlex 755	480 VAC	460 A class	Large pumps, fans, conveyors	Very Large

These models are not direct replacements for the 20G1AGC260JN0NNNNN.

They represent different voltage classes, current ratings, and physical configurations.

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41. Popular Model Comparison

Model	Main Strength	Typical Motor Size	Typical Installation
25B-D030N114	Compact, flexible machine control	Small/medium	Machine panel
25C-D030N114	Straightforward VFD control	Small/medium	Compact panel
20G1ABC260JN0NNNNN	High-power 480 VAC control	Large	Industrial cabinet
20G1ABC302JN4NNNNN	Large motor capability with local interface	Large	Industrial/MCC
20G1ABC460JN4NNNNN	Very high current capability	Very large	Large industrial installation

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42. PowerFlex 755 Versatility

One of the major strengths of the PowerFlex 755 platform is its scalability.

A plant may contain motors of very different sizes.

For example:

• 5 kW pump
• 30 kW fan
• 75 kW conveyor
• 132 kW pump
• 200 kW process motor
• 250 kW fan

The PowerFlex family allows different drive sizes to be selected while maintaining a similar general control architecture.

This can simplify engineering, maintenance, and operator training.

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43. Advantages in Pump Applications

For large pump systems, the drive provides variable-speed operation.

This can help the pump respond to changing process demand.

Potential benefits include:

• Adjustable flow
• Adjustable pressure
• Controlled startup
• Controlled stopping
• Reduced mechanical shock
• Network monitoring
• Centralized control

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44. Advantages in Fan Applications

Large fans can have very high motor-power requirements.

Variable-speed operation allows the fan to operate according to actual airflow demand.

Potential applications include:

• Industrial exhaust
• Ventilation
• Process cooling
• Combustion air
• Dust collection
• Large air-handling systems

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45. Advantages in Conveyor Applications

The drive can provide controlled acceleration and deceleration.

This can be particularly useful for long conveyors and heavy loads.

Potential advantages include:

• Smoother startup
• Reduced mechanical shock
• Adjustable speed
• Centralized control
• Network diagnostics

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46. Advantages in Process Equipment

Industrial process equipment often requires more than simple motor ON/OFF control.

Motor speed may need to change according to production conditions.

The PowerFlex 755 platform provides a flexible drive architecture for such applications.

Potential applications include:

• Mixers
• Pumps
• Fans
• Feeders
• Conveyors
• Processing machinery

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47. Maintenance and Reliability

High-power variable-frequency drives should be maintained as important pieces of plant electrical equipment.

Recommended maintenance attention should include:

• Cooling fans
• Ventilation
• Electrical connections
• Grounding
• Motor cables
• Control wiring
• Network communication
• Enclosure condition
• Dust accumulation
• Temperature
• Fault history

Regular inspection can help identify problems before they become major failures.

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48. Cooling Maintenance

The cooling system should receive particular attention.

Potential warning signs include:

• Unusual fan noise
• Excessive temperature
• Reduced airflow
• Repeated thermal alarms
• Unexpected drive trips
• Fan vibration

The cooling path should remain clean and unobstructed.

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49. Network Maintenance

Because the drive includes embedded EtherNet/IP, the network infrastructure is part of the overall control system.

Maintenance personnel should consider:

• Ethernet cable condition
• Connector condition
• Network switch operation
• Network addressing
• Communication status
• Grounding
• Electrical noise
• Network diagnostics

A drive may be electrically healthy while communication problems prevent normal operation.

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50. Environmental Considerations

The IP54/NEMA Type 12 enclosure provides useful protection for many industrial environments.

However, engineers should still evaluate:

• Ambient temperature
• Humidity
• Dust
• Corrosive chemicals
• Water exposure
• Vibration
• Altitude
• Air quality

The enclosure rating should not be considered a substitute for appropriate environmental engineering.

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51. Selection Guide

The 20G1AGC260JN0NNNNN is particularly suitable when the project requires:

• 400 VAC three-phase power
• Approximately 260 A output capacity
• Up to 132 kW Normal Duty
• Up to 110 kW Heavy Duty
• Frame 7 construction
• IP54/NEMA Type 12 protection
• Forced-air cooling
• Embedded EtherNet/IP
• Filtered configuration
• No local HIM
• No dynamic braking
• AC input with precharge

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52. When to Choose a Larger Model

A larger PowerFlex 755 model should be considered if:

• Motor current exceeds 260 A.
• Motor power exceeds the applicable duty rating.
• Starting torque is too high for the selected rating.
• The application has substantial overload.
• Acceleration requirements are demanding.
• The machine has large inertia.
• The motor is significantly larger than the 132 kW ND class.

Potential alternatives include the 20G1AGC302JN0NNNNN, 20G1AGC367JN0NNNNN, and 20G1AGC456JN0NNNNN.

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53. When to Choose a Smaller Model

A smaller model may be preferable if:

• Motor current is significantly below 260 A.
• Motor power is below the 132 kW class.
• The application does not require the additional capacity.
• Cabinet space is limited.
• Lower installed power is preferred.

The 20G1AGC205JN0NNNNN is one useful comparison point.

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54. When to Choose a HIM Configuration

The target model has no HIM.

A local HIM configuration should be considered when:

• Technicians frequently work directly at the drive.
• Local commissioning is required.
• Local parameter access is important.
• The drive is installed far from the main HMI.
• Maintenance staff prefer local diagnostics.

For highly centralized automation systems, however, the blank-HIM configuration can be perfectly practical.

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55. Overall Mechanical Summary

Mechanical Parameter	Approximate Specification
Model	20G1AGC260JN0NNNNN
Frame	Frame 7
Enclosure	IP54 / NEMA Type 12
Cooling	Forced Air
Approx. Width	500–600 mm
Approx. Height	800–1000 mm
Approx. Depth	400–500 mm
Approx. Weight	100–160 kg
Installation	Industrial Enclosed Drive
HIM	None
Dynamic Braking	None
Input	AC with Precharge
Network	Embedded EtherNet/IP

The dimensions and weight are intended for preliminary planning.

The exact dimensional drawing should be used for final engineering.

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56. Final Technical Specification Table

Category	Specification
Catalog Number	20G1AGC260JN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 755
Product Type	AC Variable-Frequency Drive
Voltage	400 VAC
Phase	3 Phase
Output Current	260 A
Normal-Duty Power	132 kW
Heavy-Duty Power	110 kW
Frame	Frame 7
Cooling	Forced Air
Enclosure	IP54 / NEMA Type 12
Input Type	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Installed
Dynamic Braking	None
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Approx. Width	500–600 mm
Approx. Height	800–1000 mm
Approx. Depth	400–500 mm
Approx. Weight	100–160 kg
Mounting	Industrial Enclosed / MCC-Style System
Typical Application	Pumps, Fans, Conveyors, Process Equipment
Main Advantage	High-power 400 VAC motor control with IP54/NEMA Type 12 protection and embedded EtherNet/IP

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57. Final Product Assessment

The Allen-Bradley 20G1AGC260JN0NNNNN is a high-capacity industrial PowerFlex 755 AC drive intended for applications requiring substantial motor power without moving into the very highest current classes of the PowerFlex 755 family.

Its 260 A output rating, 132 kW Normal Duty rating, and 110 kW Heavy Duty rating make it suitable for a broad range of large industrial motors.

The 400 VAC three-phase configuration makes it particularly appropriate for industrial motor systems operating in the 380–400 VAC class.

The Frame 7 construction provides a substantial power platform while remaining smaller than the largest PowerFlex 755 frame configurations.

The IP54/NEMA Type 12 enclosure is an important advantage for industrial installations because it provides a higher level of enclosure protection than an open-frame design.

The embedded EtherNet/IP capability is another major strength.

It allows the drive to be integrated into a modern automation network for control, monitoring, diagnostics, and process coordination.

The blank/no-HIM configuration is particularly appropriate for centralized automation systems where operators and maintenance personnel interact with the drive through an external HMI, PLC, engineering workstation, or networked control system.

For a large pump, fan, conveyor, process machine, or material-handling system, this configuration provides a practical combination of high current capacity, flexible duty ratings, industrial enclosure protection, and network integration.

The main selection point is the relationship between the motor’s actual full-load current and the drive’s applicable duty rating.

For a motor around the 132 kW Normal Duty class, this model can be a strong candidate when the current and application conditions are suitable.

For a demanding machine requiring heavy overload or high starting torque, the 110 kW Heavy Duty rating should be used as the primary reference.

For applications requiring more capacity, the 302 A, 367 A, and 456 A related configurations provide logical next steps within the same PowerFlex 755 family.

For applications requiring less capacity, the 205 A configuration can provide a more economical alternative.

Overall, the 20G1AGC260JN0NNNNN is best characterized as a high-power, 400 VAC, Frame 7, IP54/NEMA Type 12 PowerFlex 755 industrial AC drive, particularly suitable for large pumps, fans, conveyors, process machinery, material-handling equipment, and other industrial applications where reliable variable-speed motor control and network integration are required.