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1. Product Overview

The 20G11LE980JN0NNNNN is a high-power AC variable frequency drive from the PowerFlex 755 series.

It is designed for large three-phase industrial motors where high current capacity, adjustable motor speed, controlled acceleration and integration with an industrial automation system are required.

The model belongs to the high-capacity end of the PowerFlex 755 product family. With a 980 A rating in the 600 VAC class, it is intended for large industrial motor applications rather than small or general-purpose machine drives.

The drive is particularly suitable for heavy industrial equipment such as large pumps, fans, blowers, conveyors, compressors, crushers, mixers, material-handling systems and other large rotating machines.

The model is also suitable for applications where the drive needs to communicate with a plant automation system through industrial networking.

2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product Series	PowerFlex 755
Product Family	PowerFlex 750-Series
Model	20G11LE980JN0NNNNN
Product Type	High-Power AC Variable Frequency Drive
Voltage Class	600 VAC
Phase	Three Phase
Rated Current	980 A
Frame	Frame 9
Cooling	Forced Air
Installation Type	MCC-style configuration
Enclosure	Type 1 / IP20 configuration
Communication	Embedded EtherNet/IP
Application Class	Large Industrial Motor Control

3. Main Product Parameters

Parameter	Specification
Model	20G11LE980JN0NNNNN
Series	PowerFlex 755
Voltage Class	600 VAC
Input Phase	3 Phase
Rated Output Current	980 A
Light-Duty Motor Rating	Approximately 1,100 HP
Normal-Duty Motor Rating	Approximately 1,000 HP
Heavy-Duty Motor Rating	Approximately 900 HP
Frame	Frame 9
Cooling	Forced Air
Enclosure	Type 1 / IP20
Installation	MCC Style
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Product Weight	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Embedded EtherNet/IP
Motor Type	Three-phase AC motor
Typical Application	Large industrial machinery

4. Understanding the Model Number

The catalog number 20G11LE980JN0NNNNN contains configuration information describing the drive’s electrical rating and selected options.

For practical purchasing and engineering work, the complete catalog number should always be treated as a complete configuration rather than looking only at the 980 A portion.

The most important characteristics represented by this configuration include the PowerFlex 755 family, high-power Frame 9 construction, 600 VAC class, 980 A capacity and the selected control, enclosure, communication and installation options.

5. Electrical Rating

The most significant specification of this model is its 980 A current rating.

A 980 A drive is intended for very large industrial motors.

The actual motor horsepower that can be connected depends on the duty classification, motor voltage, motor efficiency, motor power factor, overload requirement and application conditions.

A practical rating overview is shown below.

Duty Classification	Approximate Motor Rating
Light Duty	1,100 HP
Normal Duty	1,000 HP
Heavy Duty	900 HP
Current Rating	980 A
Voltage Class	600 VAC
Phase	3 Phase

6. Light-Duty Operation

The Light-Duty rating is approximately 1,100 HP.

Light-duty applications generally have less severe overload requirements and may have a more predictable load profile.

Large fans and certain pumping applications can fall into this category when the actual motor and load characteristics are appropriate.

The motor nameplate current should always be compared with the drive rating before final selection.

7. Normal-Duty Operation

The Normal-Duty rating is approximately 1,000 HP.

This rating is appropriate for applications with a relatively standard industrial load profile.

Large pumps, fans, process equipment and some material-handling systems can be considered for this rating when the motor current and overload requirements remain within the drive’s specified limits.

8. Heavy-Duty Operation

The Heavy-Duty rating is approximately 900 HP.

Heavy-duty applications generally require greater consideration of overload, acceleration torque and mechanical loading.

Examples can include heavy conveyors, crushers, certain mixers and other equipment where the motor experiences significant torque demand.

For these applications, the actual load profile is more important than simply matching horsepower.

9. Product Introduction

The 20G11LE980JN0NNNNN is essentially a high-power electronic motor-control system.

Instead of connecting a large AC motor directly to the electrical supply and allowing it to run at a fixed speed, the variable frequency drive controls the electrical power delivered to the motor.

A simplified system can be represented as:

Three-Phase AC Supply → Variable Frequency Drive → AC Motor → Industrial Machine

The drive can regulate motor speed according to the requirements of the process.

For example, a pump does not necessarily need to operate at maximum speed all the time.

A conveyor may need slow acceleration before reaching production speed.

A large fan may need different speeds during different operating conditions.

A compressor may need to adjust capacity according to process demand.

The drive provides the electrical control required for these applications.

10. Large-Motor Control

Large motors can create significant electrical and mechanical effects when started directly.

A conventional direct-on-line starting method can produce high starting current and considerable mechanical stress.

A variable frequency drive provides a controlled acceleration profile.

This allows the motor to increase speed progressively rather than immediately reaching full operating speed.

This characteristic is particularly valuable for large rotating machinery.

11. Main Applications

11.1 Large Pump Systems

The drive can be used for large pump applications where variable flow or pressure is required.

Possible applications include:

• Water transfer systems
• Industrial water circulation
• Cooling-water systems
• Process-water systems
• Wastewater equipment
• Mining-water systems
• Large irrigation systems
• Industrial process pumps
• Utility pumping systems

A variable-speed pump can adjust its operating point according to the actual process requirement.

Pump Application Advantages

Function	Benefit
Variable Speed	Matches pump speed to process demand
Controlled Start	Reduces sudden mechanical stress
Flow Adjustment	Allows flexible process control
Pressure Control	Supports pressure-based control
Reduced Cycling	Can reduce unnecessary starting and stopping
Automation	Can be integrated with centralized control
Monitoring	Operating data can be monitored through the control system

12. Large Fan and Blower Applications

Large fans and blowers are another important application area.

Industrial ventilation systems can have motors ranging from relatively small sizes to extremely large motors.

For high-capacity fans, variable-speed operation can provide better control of airflow.

Potential applications include:

• Industrial ventilation
• Furnace systems
• Dust collection
• Exhaust systems
• Process-air systems
• Cooling systems
• Mining ventilation
• Industrial air-handling equipment

13. Conveyor Applications

Large conveyors can have high inertia.

When a large conveyor starts, the drive system must accelerate the motor, gearbox, coupling, belt and material being transported.

Controlled acceleration can help reduce sudden mechanical loading.

Potential applications include:

• Mining conveyors
• Ore conveyors
• Bulk-material conveyors
• Aggregate conveyors
• Cement conveyors
• Long-distance conveyors
• Heavy-duty material-handling systems

Conveyor Benefits

Benefit	Description
Controlled Acceleration	Reduces sudden starting shock
Speed Control	Allows adjustment of material flow
Mechanical Protection	Can reduce stress on mechanical components
Process Control	Conveyor speed can be coordinated with production
Network Integration	Drive can communicate with the automation system
Monitoring	Operating conditions can be monitored centrally

14. Mining Applications

Large mining equipment frequently requires high-power motors.

The 980 A capacity makes this model suitable for consideration in large mining applications where the motor voltage, current and duty requirements are compatible.

Potential applications include:

• Mining conveyors
• Large dewatering pumps
• Ventilation equipment
• Material-handling systems
• Processing equipment
• Crushers
• Large fans
• Ore-handling machinery

15. Crusher Applications

Crushers can experience significant changes in mechanical load.

When hard material enters the crushing chamber, motor torque requirements can change quickly.

A high-power variable frequency drive can provide controlled starting and speed management.

Potential applications include:

• Mining crushers
• Aggregate crushers
• Mineral-processing equipment
• Cement-processing machinery
• Bulk-material processing systems

16. Compressor Applications

Large industrial compressors can require substantial motor power.

A variable frequency drive can provide adjustable speed control and controlled starting.

Possible applications include:

• Process compressors
• Industrial air systems
• Gas-processing equipment
• Large refrigeration-related machinery
• Industrial production systems

17. Mixer Applications

Large mixers may have significant starting torque requirements, particularly when material is already inside the mixing chamber.

Controlled motor acceleration can help reduce mechanical stress.

Potential applications include:

• Chemical processing
• Cement production
• Mineral processing
• Industrial mixing
• Bulk-material processing
• Process manufacturing

18. Material-Handling Applications

The model can also be considered for large material-handling equipment.

Potential applications include:

• Heavy conveyors
• Transfer equipment
• Bulk-material systems
• Mining material handling
• Production-line equipment
• Industrial lifting-related machinery where the drive configuration is appropriate

19. Major Product Advantages

19.1 High Current Capacity

The 980 A rating is one of the most important advantages of this model.

It allows the drive to handle large motor loads that are beyond the capacity of smaller industrial drives.

This makes it particularly useful for large production facilities.

19.2 High Horsepower Capability

The drive can support approximately:

• 1,100 HP Light Duty
• 1,000 HP Normal Duty
• 900 HP Heavy Duty

This provides considerable flexibility when selecting the drive for different load types.

19.3 Adjustable Speed

The motor does not have to operate continuously at one fixed speed.

The drive can adjust motor speed according to the process.

This is particularly useful for:

• Pumps
• Fans
• Blowers
• Conveyors
• Mixers
• Compressors

19.4 Controlled Acceleration

Controlled acceleration is highly valuable for large motors.

It can help reduce sudden mechanical loading on:

• Shafts
• Couplings
• Gearboxes
• Belts
• Bearings
• Pulleys
• Conveyors
• Pump systems

19.5 Industrial Network Integration

The configuration includes embedded EtherNet/IP capability.

This allows the drive to become part of a larger automation architecture.

A controller can exchange operating commands and status information with the drive.

Typical information includes:

Information	Purpose
Start Command	Starts the motor
Stop Command	Stops the motor
Speed Reference	Sets desired operating speed
Actual Speed	Provides motor-speed feedback
Output Frequency	Monitors drive operation
Current	Monitors motor loading
Drive Status	Indicates operating condition
Warning	Indicates abnormal conditions
Fault	Indicates a fault condition
Diagnostic Information	Supports troubleshooting

20. Forced-Air Cooling

Because the drive operates at very high power, heat management is important.

The model uses forced-air cooling.

The cooling system moves air through the power section to remove heat generated by the power electronics.

Correct installation therefore requires attention to:

• Airflow
• Ventilation
• Ambient temperature
• Dust
• Contamination
• Cooling-fan condition
• Cabinet layout
• Air inlet and outlet clearance

21. Enclosure and Installation

The configuration is associated with a Type 1 / IP20 industrial enclosure arrangement.

This type of configuration is normally intended for a suitably protected industrial electrical environment rather than direct exposure to rain, water or uncontrolled outdoor contamination.

The installation environment should be evaluated carefully.

Important factors include:

• Dust
• Moisture
• Temperature
• Humidity
• Corrosive materials
• Air quality
• Ventilation
• Altitude
• Maintenance access

22. Mechanical Dimensions

The specified configuration is associated with an 800 mm deep MCC-style arrangement.

The confirmed depth parameter is therefore:

800 mm

The complete equipment width and height can depend on the exact mechanical assembly, cabinet arrangement and selected configuration.

For this reason, it is not appropriate to insert an invented width or height.

Mechanical Parameter	Specification
Frame	Frame 9
Installation Style	MCC Style
Enclosure	Type 1 / IP20
Cooling	Forced Air
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Service Clearance	Installation-dependent
Cable Space	Installation-dependent

23. Weight

The requested weight parameter is included explicitly below.

Weight Specification	Value
Drive Weight (kg)	Configuration-dependent
Shipping Weight (kg)	Configuration-dependent
Complete Cabinet Weight (kg)	Configuration-dependent
Installed Assembly Weight (kg)	Configuration-dependent

The final mass of a high-power drive assembly can vary depending on the physical configuration and associated equipment.

For transportation, lifting, floor loading and structural calculations, the actual equipment configuration should be used.

An estimated kilogram value should not be used for lifting or installation planning.

24. Electrical Characteristics

Electrical Parameter	Specification
Voltage	600 VAC Class
Phase	3 Phase
Current	980 A
Light-Duty Rating	1,100 HP
Normal-Duty Rating	1,000 HP
Heavy-Duty Rating	900 HP
Input	AC
Cooling	Forced Air
Communication	Embedded EtherNet/IP
Motor	Three-Phase AC Motor
Application	High-Power Industrial Motor Control

25. Automation System Integration

The drive can be integrated into a centralized automation architecture.

A typical arrangement can be represented as:

Operator Interface

↓

Industrial Controller

↓

EtherNet/IP Network

↓

20G11LE980JN0NNNNN

↓

Large AC Motor

↓

Industrial Machine

This arrangement allows motor operation to become part of the overall production process.

For example, a centralized controller can adjust the speed of a large conveyor based on production requirements.

A pump can be controlled according to pressure or flow.

A fan can be controlled according to temperature or airflow demand.

26. Process Control Advantages

The variable frequency drive can provide more than basic motor starting and stopping.

It can become an active part of process control.

Equipment	Possible Control Objective
Pump	Flow or pressure
Fan	Airflow
Conveyor	Material speed
Compressor	Process capacity
Mixer	Mixing speed
Blower	Air volume
Processing Machine	Production speed

27. Energy Efficiency Potential

Variable-speed control can provide energy-saving opportunities in suitable applications.

This is particularly relevant to variable-torque loads such as pumps and fans.

A motor does not necessarily need to operate at full speed throughout the entire production cycle.

Reducing motor speed when process demand is lower can reduce power consumption.

The actual energy-saving result depends on:

• Motor efficiency
• Load profile
• Operating hours
• Speed range
• Process requirements
• Mechanical efficiency
• Pump or fan characteristics
• Control strategy

28. Maintenance Advantages

The drive’s integration capability can assist maintenance personnel by providing operating and diagnostic information.

A maintenance program can monitor:

• Drive status
• Fault conditions
• Warning conditions
• Motor current
• Operating frequency
• Cooling condition
• Communication condition
• Recurring faults

This can help maintenance teams identify abnormal operating patterns before they become major equipment problems.

29. Installation Considerations

Before installing the 20G11LE980JN0NNNNN, the following points should be evaluated.

Installation Item	Requirement
Supply Voltage	Confirm compatibility with the drive
Motor Voltage	Confirm motor compatibility
Motor Current	Compare with 980 A rating
Motor HP	Confirm duty classification
Load Type	Variable torque or constant torque
Starting Torque	Determine actual requirement
Overload	Determine required overload capability
Acceleration	Determine required acceleration time
Deceleration	Determine stopping requirements
Braking	Evaluate whether braking is required
Cooling	Confirm adequate airflow
Environment	Confirm temperature and contamination limits
Cabinet Space	Confirm available installation space
Depth	800 mm
Width	Confirm exact configuration
Height	Confirm exact configuration
Weight (kg)	Confirm actual assembly weight
Network	Confirm EtherNet/IP architecture
Grounding	Confirm plant grounding arrangement
Cable Routing	Separate power and control wiring appropriately

30. Related Models — Same Series or Closely Related

The following models can be considered when selecting a drive around the same PowerFlex 755 high-power range.

Model	Series	Voltage Class	Current Class	Typical Duty Capacity	Depth	Weight (kg)
20G11LE760AN0NNNNN	PowerFlex 755	600 VAC	760 A	High Power	800 mm class	Configuration-dependent
20G11LE825AN0NNNNN	PowerFlex 755	600 VAC	825 A	High Power	800 mm class	Configuration-dependent
20G11LE900AN0NNNNN	PowerFlex 755	600 VAC	900 A	High Power	800 mm class	Configuration-dependent
20G11LE980AN0NNNNN	PowerFlex 755	600 VAC	980 A	High Power	800 mm class	Configuration-dependent
20G11LE980JN0NNNNN	PowerFlex 755	600 VAC	980 A	High Power	800 mm class	Configuration-dependent

31. 20G11LE760AN0NNNNN

This is a lower-current model within the same general high-power product family.

With a 760 A current class, it can be considered where the motor’s actual current requirement is lower than the 980 A level.

Parameter	20G11LE760AN0NNNNN
Series	PowerFlex 755
Voltage Class	600 VAC
Current	760 A
Application	Large Industrial Motor
Cooling	Forced Air
Installation	MCC Style
Depth	800 mm class
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Industrial Network Compatible

32. 20G11LE825AN0NNNNN

The 825 A configuration provides an intermediate capacity between the 760 A and 900 A versions.

It can be considered when the motor current is above the lower capacity range but does not require the full 980 A rating.

Parameter	20G11LE825AN0NNNNN
Series	PowerFlex 755
Voltage Class	600 VAC
Current	825 A
Application	Large Industrial Motor
Cooling	Forced Air
Installation	MCC Style
Depth	800 mm class
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Industrial Network Compatible

33. 20G11LE900AN0NNNNN

The 900 A version is one of the closest current-capacity alternatives to the 980 A model.

It can be useful when the motor current requirement is below 900 A and the required duty rating is appropriate.

Parameter	20G11LE900AN0NNNNN
Series	PowerFlex 755
Voltage Class	600 VAC
Current	900 A
Application	Large Industrial Motor
Cooling	Forced Air
Installation	MCC Style
Depth	800 mm class
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Industrial Network Compatible

34. 20G11LE980AN0NNNNN

This model is another closely related 980 A configuration.

It has the same general current class and is useful when comparing different catalog configurations within the same high-power family.

Parameter	20G11LE980AN0NNNNN
Series	PowerFlex 755
Voltage Class	600 VAC
Current	980 A
Application	Very Large Industrial Motor
Cooling	Forced Air
Installation	MCC Style
Depth	800 mm class
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Industrial Network Compatible

35. 20G11LE980JN0NNNNN

This is the main model discussed in this document.

Parameter	20G11LE980JN0NNNNN
Series	PowerFlex 755
Voltage Class	600 VAC
Phase	3 Phase
Current	980 A
Light Duty	1,100 HP
Normal Duty	1,000 HP
Heavy Duty	900 HP
Frame	Frame 9
Cooling	Forced Air
Enclosure	Type 1 / IP20
Installation	MCC Style
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Embedded EtherNet/IP

36. Five Popular Models from the Same Brand

For broader product selection, the following models represent other commonly used drive families and capacity levels from the same brand.

Model	Product Family	Voltage Class	Current / Size Class	Typical Application	Dimensions	Weight (kg)
25B-D010N104	PowerFlex 525	480 VAC class	10 A class	Small industrial machinery	Configuration-dependent	Configuration-dependent
25B-D017N104	PowerFlex 525	480 VAC class	17 A class	Small / medium machinery	Configuration-dependent	Configuration-dependent
25B-D027N114	PowerFlex 525	480 VAC class	27 A class	Medium machinery	Configuration-dependent	Configuration-dependent
20F11ND077AA0NNNNN	PowerFlex 753	480 VAC class	77 A class	Medium / large industrial equipment	Configuration-dependent	Configuration-dependent
20G11LE980JN0NNNNN	PowerFlex 755	600 VAC	980 A	Very large industrial motors	800 mm depth; exact width/height configuration-dependent	Configuration-dependent

37. PowerFlex 525 — 25B-D010N104

This model is positioned at a much smaller power level than the 20G11LE980JN0NNNNN.

It is suitable for compact industrial machinery where the motor power requirement is substantially lower.

Parameter	25B-D010N104
Series	PowerFlex 525
Voltage Class	480 VAC class
Current Class	10 A class
Product Type	Compact AC Drive
Typical Application	Small industrial machinery
Cooling	Fan-cooled / configuration-dependent
Dimensions	Compact configuration
Weight (kg)	Configuration-dependent
Communication	Industrial communication capability
Application Scale	Small to medium machinery

38. PowerFlex 525 — 25B-D017N104

This is another compact drive option.

It can be considered for applications where the motor power is much lower than the high-power 755 requirement.

Parameter	25B-D017N104
Series	PowerFlex 525
Voltage Class	480 VAC class
Current Class	17 A class
Product Type	Compact AC Drive
Typical Application	Small / medium machinery
Dimensions	Compact configuration
Weight (kg)	Configuration-dependent
Cooling	Fan-cooled / configuration-dependent
Application Scale	Small to medium machinery

39. PowerFlex 525 — 25B-D027N114

This model provides a higher current capacity within the compact PowerFlex 525 family.

It can be considered for general-purpose industrial machinery, pumps, fans, conveyors and similar applications.

Parameter	25B-D027N114
Series	PowerFlex 525
Voltage Class	480 VAC class
Current Class	27 A class
Product Type	Compact AC Drive
Typical Application	General industrial machinery
Dimensions	Compact configuration
Weight (kg)	Configuration-dependent
Cooling	Fan-cooled / configuration-dependent
Application Scale	Medium machinery

40. PowerFlex 753 — 20F11ND077AA0NNNNN

The PowerFlex 753 family is positioned between compact general-purpose drives and the very large PowerFlex 755 configurations.

It is suitable for medium and larger industrial applications where greater functionality and power capability are required.

Parameter	20F11ND077AA0NNNNN
Series	PowerFlex 753
Voltage Class	480 VAC class
Current Class	77 A class
Product Type	Industrial AC Drive
Application	Medium / large machinery
Cooling	Forced Air / configuration-dependent
Dimensions	Frame-dependent
Weight (kg)	Frame-dependent
Communication	Industrial network options
Typical Applications	Pumps, fans, conveyors and process machinery

41. PowerFlex 755 — 20G11LE980JN0NNNNN

The main model is at a substantially higher power level than the compact drives listed above.

Parameter	20G11LE980JN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Phase	3 Phase
Current	980 A
Light Duty	1,100 HP
Normal Duty	1,000 HP
Heavy Duty	900 HP
Frame	Frame 9
Cooling	Forced Air
Enclosure	Type 1 / IP20
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Embedded EtherNet/IP
Application	Very large industrial motor control

42. Product Comparison

Parameter	25B-D010N104	25B-D017N104	25B-D027N114	20F11ND077AA0NNNNN	20G11LE980JN0NNNNN
Series	PowerFlex 525	PowerFlex 525	PowerFlex 525	PowerFlex 753	PowerFlex 755
Voltage Class	480 VAC	480 VAC	480 VAC	480 VAC	600 VAC
Current Class	10 A	17 A	27 A	77 A	980 A
Application Scale	Small	Small / Medium	Medium	Medium / Large	Very Large
Typical Use	Machinery	Machinery	Machinery	Industrial equipment	Large motors
Cooling	Configuration-dependent	Configuration-dependent	Configuration-dependent	Configuration-dependent	Forced Air
Dimensions	Configuration-dependent	Configuration-dependent	Configuration-dependent	Configuration-dependent	800 mm depth
Weight (kg)	Configuration-dependent	Configuration-dependent	Configuration-dependent	Configuration-dependent	Configuration-dependent

43. Why Choose the 20G11LE980JN0NNNNN?

The main reason to select this model is its combination of high current capacity and industrial control functionality.

A 980 A drive is not intended for ordinary small machinery.

It is designed for situations where the motor itself is very large and the process requires adjustable speed.

Typical reasons for selecting this model include:

1. Large motor power requirements.
2. High current requirements.
3. Need for variable-speed operation.
4. Controlled acceleration requirements.
5. Integration into a plant automation network.
6. Large pump or fan applications.
7. Heavy conveyor applications.
8. Mining and material-handling applications.
9. Large process equipment.
10. Centralized monitoring and control.

44. Advantages Compared with Simple Motor Starters

Function	Basic Motor Starter	20G11LE980JN0NNNNN
Start / Stop	Yes	Yes
Variable Speed	No	Yes
Controlled Acceleration	Limited	Yes
Process Speed Control	No	Yes
Motor Feedback	Limited	Yes
Network Integration	Limited	Yes
Drive Diagnostics	No	Yes
Large Motor Control	Yes	Yes
Centralized Monitoring	Limited	Yes
Energy Optimization Potential	Limited	Yes

45. Advantages in Pump Systems

For a large pump, the ability to adjust motor speed can provide greater control over the process.

Instead of using the motor at full speed continuously, the drive can allow the operating point to change according to process requirements.

This can help improve:

• Flow control
• Pressure control
• Process stability
• Starting performance
• Mechanical loading
• Operating flexibility
• Potential energy efficiency

46. Advantages in Conveyor Systems

For conveyors, controlled acceleration can be particularly important.

A large conveyor may contain substantial mechanical inertia.

Sudden acceleration can place additional stress on the belt and mechanical drive system.

The variable frequency drive can provide a smoother acceleration profile.

Potential benefits include:

• Reduced starting shock
• Better belt control
• Smoother material flow
• Reduced mechanical stress
• Adjustable production speed
• Improved automation

47. Advantages in Fan Systems

For large fans and blowers, variable-speed operation can provide an efficient way to match airflow with actual process requirements.

Potential benefits include:

• Adjustable airflow
• Reduced unnecessary operation at maximum speed
• Improved process control
• Smooth starting
• Centralized control
• Automated speed adjustment

48. Advantages in Large Industrial Plants

A high-power drive can be an important part of a plant-wide automation strategy.

When connected to a controller and industrial network, the drive can provide operating information to a centralized system.

This can make it easier for operators to monitor large numbers of motors.

The drive can therefore be considered both a power-conversion device and an automation component.

49. Recommended Selection Process

When choosing between the related models, the following sequence is recommended.

Step 1 — Check Motor Voltage

Confirm the motor voltage and compare it with the drive voltage class.

Step 2 — Check Motor Current

The motor’s actual full-load current is more important than horsepower alone.

Step 3 — Check Duty

Determine whether the application should be evaluated as Light Duty, Normal Duty or Heavy Duty.

Step 4 — Check Load Type

Determine whether the load is:

• Variable torque
• Constant torque
• High inertia
• High starting torque
• Frequently accelerating
• Frequently decelerating

Step 5 — Check Braking

If the machine must stop quickly, determine whether additional braking equipment is required.

Step 6 — Check Environment

Confirm temperature, humidity, dust, altitude and ventilation conditions.

Step 7 — Check Physical Space

Confirm:

• Width
• Height
• Depth
• Cable space
• Service clearance
• Lifting requirements

The stated configuration has an 800 mm depth.

Step 8 — Check Weight

The actual weight in kg should be confirmed from the complete equipment configuration before lifting or transportation.

Step 9 — Check Communication

Confirm the required industrial network and controller architecture.

Step 10 — Check Spare Parts

For large industrial installations, spare-part planning should be considered before commissioning.

50. Technical Summary

Category	20G11LE980JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	High-Power AC Variable Frequency Drive
Voltage	600 VAC
Phase	3 Phase
Current	980 A
Light Duty	1,100 HP
Normal Duty	1,000 HP
Heavy Duty	900 HP
Frame	Frame 9
Cooling	Forced Air
Enclosure	Type 1 / IP20
Installation	MCC Style
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Communication	Embedded EtherNet/IP
Main Applications	Pumps, fans, conveyors, compressors, crushers, mixers and large process equipment

51. Overall Product Advantages

The 20G11LE980JN0NNNNN is a high-capacity industrial drive intended for applications where smaller variable frequency drives are not sufficient.

Its principal advantages are:

• 980 A high-current capacity
• 600 VAC three-phase operation
• High horsepower capability
• Adjustable motor speed
• Controlled acceleration
• Industrial automation integration
• Embedded EtherNet/IP capability
• Forced-air cooling
• Large industrial motor compatibility
• MCC-style installation
• Suitability for demanding process equipment
• Centralized monitoring capability
• Potential energy-saving benefits in suitable variable-speed applications
• Improved process flexibility
• Reduced mechanical shock during controlled starting

52. Final Product Description

The 20G11LE980JN0NNNNN is a high-power PowerFlex 755 variable frequency drive intended for very large three-phase industrial motors.

With a 980 A rating and a 600 VAC voltage class, it is designed for demanding industrial applications where motor speed needs to be controlled electronically rather than operated at a fixed speed.

The approximately 1,100 HP Light-Duty, 1,000 HP Normal-Duty and 900 HP Heavy-Duty ratings provide different levels of application capability depending on the motor load and operating conditions.

Its Frame 9, forced-air-cooled construction and 800 mm deep MCC-style arrangement make it suitable for large industrial electrical installations.

The embedded EtherNet/IP capability allows the drive to participate in a modern automation system.

For large pumps, fans, conveyors, compressors, crushers, mixers, mining equipment and material-handling systems, the combination of high current capacity and variable-speed control can provide substantial operational flexibility.

The drive can also reduce the need for simple full-speed motor operation and allow the motor to respond more closely to the requirements of the production process.

For large rotating machinery, controlled acceleration is another important advantage because it can reduce sudden mechanical loading on the motor and connected equipment.

The model is therefore best viewed as a large industrial motor-control solution, rather than simply as a conventional motor starter.

53. Important Note on Dimensions and Weight

For the physical parameters requested, the configuration establishes an 800 mm depth for the MCC-style arrangement.

The exact width, height and total weight should be treated as configuration-dependent rather than filled with an estimated value.

This distinction is important for a high-power Frame 9 drive.

The final dimensions and weight can be affected by the complete physical assembly, cabinet arrangement and selected options.

For engineering drawings, cabinet layout, transportation, lifting, floor loading or installation work, the exact mechanical configuration should therefore be used.

The table below summarizes the physical information in the clearest form.

Physical Parameter	20G11LE980JN0NNNNN
Frame	Frame 9
Installation Style	MCC Style
Enclosure	Type 1 / IP20
Cooling	Forced Air
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight	Configuration-dependent
Weight (kg)	Configuration-dependent
Lifting Requirement	Confirm from complete assembly
Floor Loading	Confirm from actual assembly weight

54. Conclusion

The 20G11LE980JN0NNNNN is positioned at the high-power end of the PowerFlex 755 family.

Its 980 A current capacity, 600 VAC three-phase electrical class, high horsepower capability, forced-air cooling, Frame 9 construction and industrial network capability make it suitable for large and demanding motor applications.

The five closely related high-power models are:

No.	Related Model	Current Class	Product Family
1	20G11LE760AN0NNNNN	760 A	PowerFlex 755
2	20G11LE825AN0NNNNN	825 A	PowerFlex 755
3	20G11LE900AN0NNNNN	900 A	PowerFlex 755
4	20G11LE980AN0NNNNN	980 A	PowerFlex 755
5	20G11LE980JN0NNNNN	980 A	PowerFlex 755

For broader product selection, five additional popular models include:

No.	Model	Product Family	Approx. Current Class
1	25B-D010N104	PowerFlex 525	10 A class
2	25B-D017N104	PowerFlex 525	17 A class
3	25B-D027N114	PowerFlex 525	27 A class
4	20F11ND077AA0NNNNN	PowerFlex 753	77 A class
5	20G11LE980JN0NNNNN	PowerFlex 755	980 A

The best alternative ultimately depends on the motor’s actual voltage, full-load current, horsepower, duty classification, overload requirement, load type, braking requirement, installation environment and automation architecture.

For the 20G11LE980JN0NNNNN, the most important selection figures are 600 VAC, 3 phase, 980 A, Frame 9, approximately 1,100 HP Light Duty, 1,000 HP Normal Duty and 900 HP Heavy Duty.

The physical configuration is associated with 800 mm depth, while the exact width, height and weight in kg should be taken from the specific mechanical assembly rather than estimated.