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20G11LE825JN0NNNNN — PowerFlex 755 High-Power AC Drive

1. Product Overview

The 20G11LE825JN0NNNNN is a high-power, air-cooled AC variable frequency drive designed for large three-phase industrial motors.

It belongs to the PowerFlex 755 series and is intended for demanding industrial applications where high motor current, variable-speed operation, controlled acceleration and integration with an industrial automation system are required.

The model has an 825 A drive current rating and a 600 VAC, three-phase electrical class. Its published power ratings are 950 HP for Light Duty, 900 HP for Normal Duty and 750 HP for Heavy Duty.

The product is configured as an 800 mm deep MCC-style drive, with Frame 9 construction, forced-air cooling, Type 1/IP20 enclosure characteristics, AC input with DC terminals, an integrated EMC filter and embedded EtherNet/IP communication.

The specified configuration is supplied without a local HIM, making it particularly suitable for installations where the drive is operated and monitored through a PLC, HMI or centralized control system rather than through a permanently mounted local keypad.

2. Brand and Series

Item	Specification
Brand	Allen-Bradley
Product Series	PowerFlex 755
Product Family	PowerFlex 750-Series AC Drives
Product Type	High-Power AC Variable Frequency Drive
Model	20G11LE825JN0NNNNN
Drive Construction	Air-Cooled AC Drive
Frame	Frame 9
Voltage Class	600 VAC
Input Phase	Three Phase
Output Current	825 A
Cooling	Forced Air
Enclosure	Type 1 / IP20
Installation Style	800 mm Deep MCC Style
Communication	Embedded EtherNet/IP
Input Configuration	AC Input with DC Terminals
EMC Configuration	Filtered
CM Jumper	Installed
Dynamic Braking	None
Local HIM	Blank / No HIM
Product Status	Active

3. Main Technical Parameters

Parameter	Specification
Model	20G11LE825JN0NNNNN
Series	PowerFlex 755
Product Type	Air-Cooled AC Drive
Rated Voltage Class	600 VAC
Input Phase	3 Phase
Rated Current	825 A
Light Duty Rating	950 HP
Normal Duty Rating	900 HP
Heavy Duty Rating	750 HP
Frame	Frame 9
Cooling Method	Forced Air
Enclosure	Type 1 / IP20
Installation	MCC Style
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
AC Input	Yes
DC Terminals	Yes
Embedded EtherNet/IP	Yes
EMC Filter	Yes
CM Jumper	Installed
Dynamic Braking	None
Local HIM	Blank / No HIM
Motor Application	Large Three-Phase AC Motors

4. Power Ratings

The 20G11LE825JN0NNNNN provides three principal motor-duty ratings.

The appropriate rating depends on the characteristics of the mechanical load, particularly the torque profile, overload requirement and operating cycle.

Duty Classification	Motor Rating	Approx. Power
Light Duty	950 HP	708.7 kW
Normal Duty	900 HP	671.4 kW
Heavy Duty	750 HP	559.5 kW

The 950 HP Light Duty rating makes this model suitable for very large industrial motor systems.

The 900 HP Normal Duty rating provides a lower horsepower limit for applications with normal industrial loading.

The 750 HP Heavy Duty rating is important when the machine requires greater overload capability or operates with demanding torque characteristics.

5. Product Configuration

The catalog configuration can be summarized as follows:

Configuration Feature	Description
Drive Series	PowerFlex 755
Current	825 A
Voltage	600 VAC
Phases	3 Phase
Cooling	Forced Air
Protection	Standard Protection
Input	AC Input with DC Terminals
Enclosure	Type 1 / IP20
Mechanical Depth	800 mm
Mounting Style	MCC Style
Frame	Frame 9
Filter	Filtered
CM Jumper	Installed
Braking	None
HIM	Blank / No HIM
Embedded Network	EtherNet/IP

6. Product Introduction

The 20G11LE825JN0NNNNN is designed for large industrial motor-control applications where a conventional motor starter cannot provide the required level of speed and process control.

Instead of operating the motor continuously at a fixed speed, the drive regulates motor operation according to the process requirement.

This makes it possible to accelerate a large motor in a controlled manner, operate the motor at an appropriate speed and decelerate the machine under controlled conditions.

The product is particularly suited to large industrial systems where motor current can reach hundreds of amperes.

With an 825 A rating, the drive is positioned well above the capacity of typical compact industrial inverters.

Its Frame 9 construction and 800 mm deep MCC-style configuration are intended for large electrical installations rather than small machine-mounted control panels.

7. Product Positioning

The 20G11LE825JN0NNNNN can be considered a high-power industrial variable frequency drive.

It is particularly useful in applications where the motor is large, the mechanical load is substantial and the production process requires variable-speed control.

The model is also significant because it represents the newer configuration associated with the replacement of the earlier 20G11LE825AN0NNNNN configuration.

The two models are closely related in electrical capacity, while the JN0 configuration is the current active replacement configuration.

8. Key Advantages

8.1 High 825 A Current Capacity

The most obvious characteristic of this model is its 825 A current rating.

This allows it to serve large industrial motors that are far beyond the range of small and medium-sized variable frequency drives.

For large pumps, fans, conveyors and process machinery, sufficient current capacity is essential for reliable operation.

The 825 A rating also gives the application designer greater flexibility when selecting a motor within the applicable duty rating.

8.2 Large Motor Capability

The drive can support motor applications up to approximately 950 HP in Light Duty.

This makes it suitable for large production equipment and high-capacity process machinery.

The three duty classifications also allow the drive to be evaluated against different types of mechanical loads.

8.3 Variable-Speed Operation

Variable-speed control is one of the principal reasons to use a drive of this type.

The motor does not have to operate continuously at full rated speed.

Instead, the speed can be adjusted to match process requirements.

This can improve:

• Process control
• Production flexibility
• Mechanical performance
• Starting characteristics
• Operating efficiency

8.4 Controlled Acceleration

Starting a large motor directly across the line can produce high electrical and mechanical stresses.

A variable frequency drive allows the motor to accelerate progressively.

This can reduce mechanical shock on:

• Shafts
• Couplings
• Gearboxes
• Bearings
• Belts
• Conveyor systems
• Pumps
• Fans

8.5 Controlled Deceleration

The drive can provide controlled reduction of motor speed.

This is useful for large machines where uncontrolled stopping could create excessive mechanical stress.

However, the specified configuration has no dynamic braking, so applications requiring rapid deceleration or significant regenerative energy should be evaluated separately.

8.6 Embedded EtherNet/IP

The integrated EtherNet/IP capability allows the drive to be incorporated into an industrial automation network.

A control system can use the network connection for drive commands, operating information and diagnostic data.

This is useful for centralized automation systems where multiple drives are controlled from a common PLC or supervisory interface.

8.7 Air-Cooled Construction

The drive uses forced-air cooling.

This arrangement is practical for large industrial installations where substantial heat must be removed from the power electronics.

Correct cabinet ventilation and adequate airflow are important to maintain reliable operation.

8.8 MCC-Style Installation

The 800 mm deep MCC-style configuration is suitable for larger electrical distribution and motor-control environments.

This type of installation is commonly associated with industrial plants and large process systems.

The physical installation should allow sufficient space for power connections, ventilation, inspection and maintenance.

9. Typical Applications

9.1 Large Pumps

Large pumps are a natural application for this type of drive.

Examples include:

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

Variable-speed operation allows the pump to respond to changing process requirements instead of running continuously at maximum speed.

9.2 Large Fans and Blowers

Large industrial fans can require hundreds of horsepower.

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

Typical applications include:

• Industrial ventilation
• Dust collection
• Furnace systems
• Process ventilation
• Mining ventilation
• Cement plants
• Steel-processing equipment
• Large air-handling systems

9.3 Heavy-Duty Conveyors

Large conveyors often have significant inertia and may need high torque during acceleration.

The drive can gradually accelerate the motor and conveyor.

This can reduce stress on mechanical components and improve the starting behavior of heavily loaded systems.

Typical applications include:

• Mining conveyors
• Aggregate handling
• Bulk-material transport
• Cement handling
• Ore handling
• Industrial material-transfer systems

9.4 Crushers

Crushing equipment can impose demanding mechanical loads on its drive motor.

The high current capacity of the 20G11LE825JN0NNNNN makes it suitable for evaluation in large crusher applications where the motor falls within the applicable duty rating.

Potential applications include:

• Mining
• Mineral processing
• Aggregate processing
• Cement production

9.5 Compressors

Large compressors may require considerable motor power and controlled operation.

Variable-speed control can allow compressor speed to respond to process demand.

Potential advantages include smoother starting, flexible operation and improved coordination with the rest of the process.

9.6 Mixers

Large mixers can require high starting torque, particularly when the vessel contains material before startup.

Controlled acceleration can help the motor develop torque progressively.

This can reduce unnecessary mechanical shock and provide more controlled startup behavior.

9.7 Material-Handling Systems

The product can also be considered for large material-handling systems where high motor power and controlled speed are required.

Examples include:

• Bulk-material handling
• Large conveyors
• Transfer systems
• Processing machinery
• Heavy industrial transport equipment

10. Mechanical Specifications

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

The 800 mm depth is a key mechanical characteristic of the specified configuration.

The complete dimensions of a large packaged drive should not be estimated solely from the catalog number.

The final width, height and total weight can depend on the exact package, cabinet arrangement and installation configuration.

11. Weight Information

For this type of large-frame industrial drive, the complete equipment weight should be treated as configuration-dependent.

Weight Description	Value
Drive Weight	Configuration-dependent
Cabinet Weight	Configuration-dependent
Shipping Weight	Configuration-dependent
Complete MCC Package	Configuration-dependent
Weight (kg)	Configuration-dependent

A fixed weight should not be inserted without a confirmed mechanical configuration.

This is especially important for large electrical equipment because the final installation can include additional cabinet sections, wiring compartments and accessories.

For lifting, transport, foundation and floor-loading calculations, the final equipment configuration should be used.

12. Electrical Characteristics

Electrical Parameter	Specification
Voltage Class	600 VAC
Input Phase	3 Phase
Rated Current	825 A
Light Duty	950 HP
Normal Duty	900 HP
Heavy Duty	750 HP
AC Input	Yes
DC Terminals	Yes
Input Precharge	Included in specified configuration
EMC Filter	Included
CM Jumper	Installed
Dynamic Braking	None
Output	Variable-frequency AC motor control
Cooling	Forced Air

13. Automation and Communication

The embedded EtherNet/IP function is an important feature for industrial automation applications.

The drive can be incorporated into a networked control architecture in which the motor is controlled by a PLC or other industrial controller.

Typical information exchanged between the drive and control system can include:

• Run command
• Stop command
• Speed reference
• Actual motor speed
• Output frequency
• Motor current
• Drive status
• Warning information
• Fault information
• Diagnostic information

This type of integration is particularly useful in plants with multiple motors and centralized operator control.

14. No-HIM Configuration

The specified model has a Blank / No HIM configuration.

A HIM is a Human Interface Module used for local drive operation and parameter access.

The no-HIM configuration can be useful when the drive is installed as part of a larger automated system.

In such installations, operators may interact with the drive through a central HMI or control-room interface rather than using a local keypad.

This can also help maintain a consistent operator interface across a large production line.

15. EMC Filter

The specified configuration includes filtering.

EMC performance is particularly important in high-power variable frequency drive installations because switching power electronics can produce electrical disturbances.

A proper installation should consider:

• Grounding
• Motor cable routing
• Cable shielding
• Cabinet bonding
• Separation between power and control wiring
• Motor cable length
• Installation environment

The filter is one part of the overall EMC design and should be combined with appropriate installation practices.

16. Dynamic Braking

The specified model is configured with no dynamic braking.

This does not mean that the drive cannot decelerate a motor.

It means that the specified configuration does not include a dedicated dynamic-braking arrangement.

For applications involving high-inertia loads, frequent rapid stopping or significant regenerative energy, the braking requirements should be evaluated before final selection.

17. Environmental and Installation Considerations

Large industrial drives require an appropriate installation environment.

Important factors include:

• Ambient temperature
• Airflow
• Dust
• Humidity
• Altitude
• Electrical grounding
• Cabinet ventilation
• Cable routing
• Maintenance access

The forced-air cooling system should have sufficient airflow.

Dust accumulation around air passages can reduce cooling performance and should therefore be addressed as part of normal maintenance.

18. Maintenance Advantages

A properly maintained large variable frequency drive can provide stable long-term operation.

Recommended maintenance areas include:

Maintenance Item	Recommended Check
Cooling Fans	Check operation and abnormal noise
Airflow	Ensure passages remain unobstructed
Cabinet	Inspect for contamination
Power Connections	Check according to maintenance procedures
Grounding	Verify grounding integrity
Motor Cables	Inspect insulation and connections
Control Wiring	Check for loose connections
Network	Monitor communication quality
Fault History	Review repeated faults
Ventilation	Confirm adequate airflow
Mechanical Installation	Check mounting and structural condition

19. Recommended Five Same-Series or Related Models

The following models are useful for comparison within the same high-power PowerFlex 755 family.

Model	Series	Voltage	Current	LD Rating	ND Rating	HD Rating	Depth	Weight (kg)
20G11LE795JN0NNNNN	PowerFlex 755	600 VAC	795 A	900 HP	800 HP	710 HP	800 mm	Configuration-dependent
20G11LE825JN2NNNNN	PowerFlex 755	600 VAC	825 A	950 HP	900 HP	750 HP	800 mm	Configuration-dependent
20G11LE825JN4NNNNN	PowerFlex 755	600 VAC	825 A	950 HP	900 HP	750 HP	800 mm	Configuration-dependent
20G11LE900JN0NNNNN	PowerFlex 755	600 VAC	900 A	1,000 HP	950 HP	800 HP	800 mm	Configuration-dependent
20G11LE980JN0NNNNN	PowerFlex 755	600 VAC	980 A	1,100 HP	1,000 HP	900 HP	800 mm	Configuration-dependent

The 795 A model provides a slightly lower current option, while the 900 A and 980 A models move toward higher motor-current requirements.

The 825 JN2 and JN4 variants are especially close to the specified 825 A configuration.

20. Related Model: 20G11LE825JN2NNNNN

The 20G11LE825JN2NNNNN is a closely related 825 A configuration.

Its main electrical characteristics remain in the same 600 VAC and 825 A class.

Parameter	Specification
Model	20G11LE825JN2NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	825 A
Light Duty	950 HP
Normal Duty	900 HP
Heavy Duty	750 HP
Frame	Frame 9
Depth	800 mm
Cooling	Forced Air
Weight (kg)	Configuration-dependent

21. Related Model: 20G11LE825JN4NNNNN

The 20G11LE825JN4NNNNN is another related 825 A configuration.

It is useful when comparing different option arrangements within the same basic high-power drive family.

Parameter	Specification
Model	20G11LE825JN4NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	825 A
Light Duty	950 HP
Normal Duty	900 HP
Heavy Duty	750 HP
Frame	Frame 9
Depth	800 mm
Cooling	Forced Air
Weight (kg)	Configuration-dependent

22. Related Model: 20G11LE900JN0NNNNN

The 20G11LE900JN0NNNNN provides greater current capacity than the specified 825 A model.

It is suitable for consideration when the motor nameplate current approaches the upper range of the 825 A configuration.

Parameter	Specification
Model	20G11LE900JN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	900 A
Light Duty	1,000 HP
Normal Duty	950 HP
Heavy Duty	800 HP
Frame	Frame 9
Depth	800 mm
Cooling	Forced Air
Weight (kg)	Configuration-dependent

23. Related Model: 20G11LE980JN0NNNNN

The 20G11LE980JN0NNNNN is a higher-current alternative.

Its 980 A rating makes it appropriate for larger motor applications where additional current capacity is required.

Parameter	Specification
Model	20G11LE980JN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	980 A
Light Duty	1,100 HP
Normal Duty	1,000 HP
Heavy Duty	900 HP
Frame	Frame 9
Depth	800 mm
Cooling	Forced Air
Weight (kg)	Configuration-dependent

24. Related Model: 20G11LE795JN0NNNNN

The 20G11LE795JN0NNNNN is a slightly lower-current model in the same high-power family.

It can be considered where the motor current requirement is below 825 A.

Parameter	Specification
Model	20G11LE795JN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	795 A
Light Duty	900 HP
Normal Duty	800 HP
Heavy Duty	710 HP
Frame	Frame 9
Depth	800 mm
Cooling	Forced Air
Weight (kg)	Configuration-dependent

25. Five Popular Models from the Same Brand

For a broader product comparison, the following models cover different capacity ranges within the same brand’s industrial drive portfolio.

Model	Product Family	Voltage Class	Current / Capacity	Typical Application Range	Dimensions	Weight (kg)
25B-D010N104	PowerFlex 525	480 VAC class	10 A class	Small industrial motors	Configuration-dependent	Configuration-dependent
25B-D017N104	PowerFlex 525	480 VAC class	17 A class	Small / medium motors	Configuration-dependent	Configuration-dependent
25B-D027N114	PowerFlex 525	480 VAC class	27 A class	Medium industrial motors	Configuration-dependent	Configuration-dependent
20F11ND077AA0NNNNN	PowerFlex 753	480 VAC class	77 A class	Medium / large motors	Configuration-dependent	Configuration-dependent
20G11LE825JN0NNNNN	PowerFlex 755	600 VAC	825 A	Large industrial motors	800 mm depth; other dimensions configuration-dependent	Configuration-dependent

26. Model Comparison — High-Power Range

Model	Current	Voltage	LD	ND	HD	Depth	Cooling	Weight (kg)
20G11LE795JN0NNNNN	795 A	600 VAC	900 HP	800 HP	710 HP	800 mm	Forced Air	Configuration-dependent
20G11LE825JN0NNNNN	825 A	600 VAC	950 HP	900 HP	750 HP	800 mm	Forced Air	Configuration-dependent
20G11LE825JN2NNNNN	825 A	600 VAC	950 HP	900 HP	750 HP	800 mm	Forced Air	Configuration-dependent
20G11LE900JN0NNNNN	900 A	600 VAC	1,000 HP	950 HP	800 HP	800 mm	Forced Air	Configuration-dependent
20G11LE980JN0NNNNN	980 A	600 VAC	1,100 HP	1,000 HP	900 HP	800 mm	Forced Air	Configuration-dependent

27. Model Selection by Application

Application	Suggested Model	Main Selection Consideration
Large centrifugal pump	20G11LE825JN0NNNNN	High-power variable-speed control
Large fan	20G11LE795JN0NNNNN	Large variable-torque application
Large conveyor	20G11LE825JN0NNNNN	High current and controlled acceleration
Heavy conveyor	20G11LE825JN0NNNNN	Heavy Duty rating
Very large conveyor	20G11LE900JN0NNNNN	Additional current capacity
Large compressor	20G11LE825JN0NNNNN	High-power motor control
Large crusher	20G11LE825JN0NNNNN	High-current capability
Heavy process mixer	20G11LE825JN0NNNNN	Large motor and torque requirement
Extra-large motor	20G11LE980JN0NNNNN	980 A capacity
Lower-current alternative	20G11LE795JN0NNNNN	795 A capacity

28. Energy and Process Advantages

Variable-speed control can provide significant process advantages when the motor does not need to operate continuously at maximum speed.

For centrifugal pumps and fans, for example, reducing motor speed can substantially reduce the mechanical power requirement.

The actual energy benefit depends on the system design, operating point, motor efficiency, process demand and mechanical load.

Potential advantages include:

• Reduced unnecessary full-speed operation
• Better process control
• Reduced mechanical stress
• Improved operating flexibility
• Potential reduction in energy consumption

29. Advantages in Pumping Systems

The drive can adjust pump speed to suit changing process requirements.

Instead of controlling flow solely through mechanical restrictions, the motor speed itself can become part of the control strategy.

This can provide:

• Flexible flow control
• Pressure regulation
• Smooth motor startup
• Reduced hydraulic shock
• Reduced mechanical stress
• Potential energy savings

30. Advantages in Fan Systems

Fan systems often experience changing airflow requirements.

A variable-speed drive can adjust fan speed according to actual demand.

This is particularly useful in:

• Industrial ventilation
• Furnace systems
• Dust extraction
• Cooling systems
• Process-air systems

The ability to reduce speed during periods of lower demand can improve overall system efficiency.

31. Advantages in Conveyor Systems

A high-power conveyor can experience significant mechanical stress during startup.

The drive can progressively increase motor speed.

This can reduce the shock transmitted through the mechanical drivetrain.

Potential benefits include:

• Smooth acceleration
• Reduced belt stress
• Reduced gearbox stress
• Reduced coupling stress
• Better control of loaded starts
• Improved production-line coordination

32. Advantages in Heavy Process Equipment

Heavy industrial machinery frequently requires more than simple on/off motor control.

A high-power variable frequency drive can become part of the process itself.

The controller can determine:

• When the motor starts
• How quickly the motor accelerates
• What speed the motor operates at
• When the motor slows down
• When the motor stops
• Whether a fault condition exists

This allows motor behavior to be coordinated with the complete production process.

33. Installation Planning

The 800 mm deep MCC-style configuration should be considered during electrical-room and cabinet planning.

The installation should provide suitable access for:

• Power cables
• Control cables
• Network connections
• Ventilation
• Inspection
• Maintenance
• Component servicing

The exact width and height should be taken from the final mechanical configuration.

The total installed weight should also be confirmed before transportation and installation.

34. Maintenance Planning

Area	Maintenance Objective
Cooling System	Maintain adequate airflow
Fans	Confirm reliable fan operation
Air Passages	Prevent blockage
Electrical Connections	Maintain secure connections
Grounding	Maintain proper grounding
Motor Cable	Check condition
Control Wiring	Check integrity
Network	Confirm stable communication
Cabinet	Keep clean and dry
Fault History	Identify recurring problems
Environment	Maintain suitable operating conditions

35. Important Selection Parameters

Before selecting the 20G11LE825JN0NNNNN for a new application, the following information should be confirmed.

Selection Parameter	Why It Matters
Motor Voltage	Must match the drive voltage class
Motor Nameplate Current	Critical for drive sizing
Motor HP	Must fall within the appropriate duty rating
Motor Speed	Determines operating requirements
Load Type	Determines torque and duty requirements
Starting Torque	Important for heavy machinery
Overload Requirement	Determines LD/ND/HD suitability
Braking Requirement	Important for high-inertia applications
Ambient Temperature	Influences thermal performance
Altitude	Can affect thermal capability
Cable Length	Important for motor-drive installation
EMC Requirements	Important for electrical compatibility
Network Requirements	Determines automation architecture
Cabinet Dimensions	Important for installation
Weight (kg)	Important for transport and structural planning

36. Detailed Product Data Summary

Category	20G11LE825JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	High-Power Air-Cooled AC Drive
Voltage	600 VAC
Phase	Three Phase
Current	825 A
Light Duty	950 HP
Normal Duty	900 HP
Heavy Duty	750 HP
Frame	Frame 9
Cooling	Forced Air
Enclosure	Type 1 / IP20
Installation	800 mm Deep MCC Style
Depth	800 mm
Width	Configuration-dependent
Height	Configuration-dependent
Weight (kg)	Configuration-dependent
Input	AC Input
DC Terminals	Yes
EMC Filter	Yes
CM Jumper	Installed
Dynamic Braking	None
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Intended Motor Range	Large Industrial Motors
Main Applications	Pumps, fans, conveyors, compressors, crushers, mixers and material handling
Product Position	High-Power Industrial Variable Frequency Drive

37. Overall Product Advantages

Advantage	Practical Value
825 A Capacity	Suitable for very large motors
950 HP LD	High motor-power capability
900 HP ND	Suitable for large normal-duty loads
750 HP HD	Supports demanding heavy-duty applications
600 VAC	Suitable for large industrial electrical systems
Variable Speed	Allows process-based speed control
Forced Air Cooling	Suitable for high-power operation
EtherNet/IP	Supports networked automation
800 mm MCC Style	Designed for large industrial installations
DC Terminals	Supports the specified electrical configuration
EMC Filter	Helps address EMC requirements
No-HIM Configuration	Suitable for centralized automation
No Dynamic Braking	Clear configuration characteristic for application evaluation

38. Final Summary

The 20G11LE825JN0NNNNN is a high-capacity PowerFlex 755 AC variable frequency drive designed for large industrial motor applications.

Its 825 A current rating, 600 VAC three-phase class, and 950 HP Light Duty / 900 HP Normal Duty / 750 HP Heavy Duty ratings place it firmly in the high-power industrial drive category.

The drive is configured with forced-air cooling, Frame 9 construction, an 800 mm deep MCC-style enclosure, AC input with DC terminals, EMC filtering, an installed CM jumper and embedded EtherNet/IP communication.

Its strongest applications are large pumps, fans, conveyors, compressors, crushers, mixers and other heavy industrial process equipment.

The product is particularly valuable when the motor must not simply run at a fixed speed but needs controlled acceleration, adjustable operating speed and integration with a larger automation system.

For large pumping and fan applications, variable-speed operation can help match motor output to actual process demand.

For conveyors and other heavy machinery, controlled acceleration can reduce mechanical shock and improve the starting behavior of the equipment.

For automated plants, embedded EtherNet/IP provides a practical method of integrating the drive into a networked control architecture.

The 20G11LE825JN0NNNNN is therefore best described as a large-frame, high-current, high-power industrial AC drive for demanding three-phase motor applications.

When selecting the drive, the motor nameplate current should be treated as one of the most important sizing parameters.

The motor horsepower, duty classification, overload requirement, torque profile, braking requirements and environmental conditions should also be evaluated before final selection.

For applications requiring a somewhat lower current capacity, the 20G11LE795JN0NNNNN can be considered.

For closely related 825 A configurations, the 20G11LE825JN2NNNNN and 20G11LE825JN4NNNNN are useful comparison models.

For higher current requirements, the 20G11LE900JN0NNNNN and 20G11LE980JN0NNNNN provide larger-capacity alternatives.

Overall, the 20G11LE825JN0NNNNN is a strong choice for large industrial installations where high motor power, variable-speed control, centralized automation and reliable high-current operation are required.