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20G11LE900AN0NNNNN

PowerFlex 755 High-Power Air-Cooled AC Drive

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1. Product Overview

The 20G11LE900AN0NNNNN is a high-power industrial AC variable frequency drive designed for large three-phase motor applications.

It belongs to the PowerFlex 755 series and is intended for demanding industrial installations where high motor current, adjustable motor speed, controlled acceleration and centralized automation are required.

This model has a rated output current of 900 A and belongs to the 600 VAC, three-phase class.

Its published motor-duty ratings are approximately:

• 1,000 HP Light Duty
• 950 HP Normal Duty
• 800 HP Heavy Duty

The drive uses a Frame 9, air-cooled construction and an 800 mm deep MCC-style installation configuration.

It is designed for large industrial motors rather than small machine applications.

Typical applications include large pumps, fans, compressors, conveyors, crushers, mixers, material-handling systems, mining equipment and other high-power process machinery.

The model is also equipped with embedded EtherNet/IP communication, making it suitable for integration into a PLC-based industrial automation system.

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2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product Series	PowerFlex 755
Product Family	PowerFlex 750-Series
Product Type	High-Power AC Variable Frequency Drive
Model	20G11LE900AN0NNNNN
Drive Construction	Air-Cooled
Voltage Class	600 VAC
Phase	Three Phase
Rated Current	900 A
Frame	Frame 9
Installation Style	MCC Style
Cooling	Forced Air
Enclosure	Type 1 / IP20
Depth	800 mm
Communication	Embedded EtherNet/IP
Input Arrangement	AC Input with DC Terminals
Filtering	EMC Filter
CM Jumper	Removed
Dynamic Braking	None
Local HIM	Blank / No HIM

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3. Main Technical Parameters

Parameter	Specification
Model	20G11LE900AN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	High-Power AC Drive
Voltage	600 VAC
Input	Three Phase
Rated Current	900 A
Light Duty Rating	1,000 HP
Normal Duty Rating	950 HP
Heavy Duty Rating	800 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 Type	AC Input with DC Terminals
Communication	Embedded EtherNet/IP
EMC Filter	Included
CM Jumper	Removed
Dynamic Braking	None
HIM	Blank / No HIM
Motor Type	Large Three-Phase AC Motor
Application	Industrial Motor Control

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4. Electrical Capacity

The 900 A current rating is the defining characteristic of this model.

A 900 A industrial drive is intended for very large motors and high-capacity machinery.

The applicable motor horsepower depends on the duty classification.

Duty Classification	Motor Rating
Light Duty	1,000 HP
Normal Duty	950 HP
Heavy Duty	800 HP
Rated Current	900 A
Voltage Class	600 VAC
Phase	Three Phase

The three duty classifications are important because not every motor application places the same demands on the drive.

A variable-torque application such as a large centrifugal fan may have very different requirements from a conveyor, crusher or mixer.

For this reason, selecting a drive based only on horsepower can be misleading.

Motor nameplate current, load torque, acceleration requirements and overload requirements should also be considered.

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5. Product Introduction

The 20G11LE900AN0NNNNN is a large-frame variable frequency drive designed to provide electronic control of high-power AC motors.

Its purpose is not simply to switch a motor on and off.

Instead, it can regulate motor speed and provide controlled acceleration and deceleration.

This is particularly valuable with large motors because starting and stopping a large mechanical system can place considerable stress on electrical and mechanical components.

The drive provides an interface between the electrical power supply, motor and industrial automation system.

A typical arrangement can be represented as:

Industrial Power Supply → AC Drive → Large AC Motor

The drive can then communicate with the automation system:

PLC / Controller → Industrial Network → AC Drive → Motor

This type of architecture is common in large automated production facilities.

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6. Product Series — PowerFlex 755

The 20G11LE900AN0NNNNN belongs to the PowerFlex 755 family.

The PowerFlex 755 series is intended for applications requiring advanced motor control, high power capability and integration into industrial automation systems.

The series includes a broad range of current and voltage configurations.

This makes it possible to select a drive according to:

• Motor voltage
• Motor current
• Horsepower
• Duty classification
• Installation requirements
• Environmental requirements
• Communication requirements
• Braking requirements
• Enclosure requirements
• Cooling requirements

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7. Model Configuration

The catalog number represents a specific combination of electrical and mechanical characteristics.

The specified model can be summarized as follows.

Configuration	Description
Product Family	PowerFlex 755
Current Rating	900 A
Voltage Class	600 VAC
Phase	Three Phase
Cooling	Air Cooled
Frame	Frame 9
Enclosure	Type 1 / IP20
Installation	800 mm Deep MCC Style
Input	AC Input with DC Terminals
Communication	Embedded EtherNet/IP
EMC	Filtered
CM Jumper	Removed
Braking	None
HIM	Blank / No HIM

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8. Physical Dimensions

The specified configuration uses an 800 mm deep MCC-style construction.

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

The 800 mm depth is particularly important when designing the electrical-room layout.

The complete width and height should be taken from the actual mechanical configuration because high-power packaged drives may be installed in different cabinet arrangements.

The equipment should not be assigned a guessed physical dimension for engineering drawings.

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9. Weight

The total weight of the complete 20G11LE900AN0NNNNN installation can depend on the final mechanical arrangement.

For this reason, the following values should be treated as configuration-dependent.

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

This is especially important for large drives because transportation and lifting equipment must be selected according to the actual shipping configuration.

For installation planning, the final mechanical documentation should be used rather than an estimated weight.

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10. Cooling System

The drive uses forced-air cooling.

High-power semiconductor devices generate heat during operation.

The cooling system removes heat from the power section and helps maintain appropriate operating temperatures.

Adequate airflow is therefore essential.

The installation environment should be evaluated for:

• Ambient temperature
• Airflow
• Dust
• Humidity
• Altitude
• Ventilation
• Cabinet arrangement
• Cooling-fan condition
• Maintenance access

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11. Enclosure

The specified model uses a Type 1 / IP20 configuration.

This type of enclosure is intended for installation in suitable industrial electrical environments rather than exposed outdoor locations.

Typical installation locations include:

• Electrical rooms
• Motor-control centers
• Industrial control rooms
• Process plants
• Manufacturing facilities
• Utility equipment rooms

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12. 600 VAC Electrical Class

The 600 VAC rating makes the model suitable for high-power industrial electrical systems.

High-voltage industrial motors are commonly used in large process equipment because higher voltage can help reduce current for a given power level.

The 900 A current rating nevertheless places this particular model in a very high-current category.

The combination of 600 VAC and 900 A makes it suitable for large motor installations.

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13. 900 A Current Rating

The 900 A rating provides considerable capacity for large motor applications.

It allows the drive to operate motors significantly larger than those normally served by compact industrial inverters.

The high current capability is useful for:

• Large conveyors
• Large pumps
• Large fans
• Compressors
• Crushers
• Mixers
• Mining machinery
• Material-handling systems

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14. Motor Applications

The product is intended primarily for large three-phase AC motors.

Potential applications include:

Application	Typical Requirement
Large Pump	Variable speed and high power
Large Fan	Variable airflow
Conveyor	High starting torque
Crusher	High mechanical load
Compressor	Adjustable process capacity
Mixer	Controlled acceleration
Mining Equipment	High-power motor control
Material Handling	Controlled speed
Process Machinery	Centralized automation
Industrial Blower	Adjustable airflow

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15. Application — Large Pumps

Large pumps can be an excellent application for this type of drive.

A pump system may not require maximum flow at all times.

The drive can adjust motor speed to match changing process conditions.

This can provide more flexible operation than simply running the motor at full speed.

Typical applications include:

• Water transfer
• Cooling-water circulation
• Industrial process pumping
• Wastewater systems
• Mining-water systems
• Chemical process pumping
• Large utility pumps

Pumping Benefits

The drive can provide:

• Controlled acceleration
• Adjustable flow
• Pressure control
• Reduced mechanical shock
• Flexible operating speed
• Potential energy savings
• Improved process control

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16. Application — Large Fans and Blowers

Large fans often operate under changing airflow requirements.

Running a fan continuously at full speed may not always be necessary.

The drive can adjust fan speed according to process demand.

Potential applications include:

• Industrial ventilation
• Dust collection
• Furnace systems
• Cement plants
• Steel plants
• Mining ventilation
• Large cooling systems
• Process-air systems

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17. Application — Conveyors

Large conveyors can require substantial motor power.

The mechanical system may contain significant inertia.

A controlled acceleration profile can reduce the shock placed on the conveyor system.

Potential benefits include:

• Smoother startup
• Reduced belt stress
• Reduced gearbox stress
• Reduced coupling stress
• Controlled acceleration
• Better material-flow management

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18. Application — Mining

Mining equipment frequently requires large motors and high-power drives.

Potential applications include:

• Ore conveyors
• Crushers
• Pumps
• Fans
• Material-transfer equipment
• Processing equipment
• Bulk-material systems

The 900 A capacity makes the model appropriate for evaluation in large mining systems where the motor’s voltage, current and duty requirements match the drive.

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19. Application — Crushers

Crushers can place substantial torque demands on the motor.

Starting a heavily loaded crushing system can be difficult with conventional starting methods.

A variable frequency drive can provide controlled motor acceleration.

This can help coordinate the motor with the mechanical system.

Typical applications include:

• Aggregate crushing
• Mineral processing
• Mining
• Cement processing
• Bulk-material processing

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20. Application — Compressors

Large compressors may require significant motor power.

A variable-speed drive allows the compressor motor to operate according to process requirements.

Potential benefits include:

• Controlled startup
• Adjustable operating speed
• Reduced mechanical stress
• Centralized monitoring
• Process flexibility
• Networked control

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21. Application — Mixers

Large industrial mixers can have high starting torque requirements.

The drive can gradually increase motor speed rather than applying the complete operating condition immediately.

This can be useful when the mixer is started under load.

Potential applications include:

• Chemical processing
• Cement
• Mineral processing
• Industrial blending
• Bulk-material processing
• Manufacturing

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22. Application — Material Handling

The drive can be used for large material-handling systems.

Typical applications include:

• Bulk-material conveyors
• Transfer systems
• Mining conveyors
• Processing lines
• Heavy material-handling machinery
• Industrial production equipment

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23. Main Product Advantages

23.1 Very High Current Capacity

The 900 A current rating is the main advantage of this model.

It provides a large amount of electrical capacity for high-power motor applications.

This makes the drive suitable for machines that are too large for conventional low-power variable frequency drives.

23.2 High Horsepower Capability

The model reaches approximately 1,000 HP Light Duty.

It is also rated for approximately 950 HP Normal Duty and 800 HP Heavy Duty.

This makes it suitable for substantial industrial equipment.

23.3 Variable-Speed Control

The motor can operate at different speeds instead of being restricted to a fixed speed.

This provides flexibility for processes where production requirements change.

23.4 Controlled Acceleration

Controlled acceleration can reduce sudden mechanical loading.

This is particularly useful for large:

• Conveyors
• Fans
• Pumps
• Compressors
• Mixers
• Rotating machinery

23.5 Industrial Network Communication

Embedded EtherNet/IP makes the drive suitable for networked industrial control systems.

The drive can exchange operating and diagnostic information with a controller.

This allows centralized monitoring and control.

23.6 High-Power Air Cooling

The forced-air design is intended to manage the heat produced by high-power operation.

Proper ventilation remains essential for reliable operation.

23.7 Large Industrial Installation

The 800 mm deep MCC-style configuration is suitable for large electrical installations.

This makes the drive more appropriate for plant-level equipment than compact machine-mounted applications.

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24. EtherNet/IP Integration

The embedded EtherNet/IP capability is particularly useful in automated production systems.

A controller can communicate with the drive to manage motor operation.

Typical control information includes:

Function	Purpose
Run Command	Start motor operation
Stop Command	Stop motor operation
Speed Reference	Set motor speed
Actual Speed	Monitor motor speed
Output Frequency	Monitor drive output
Motor Current	Monitor load
Status	Determine operating condition
Warning	Identify abnormal conditions
Fault	Identify drive fault
Diagnostics	Assist maintenance

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25. Centralized Automation

The drive can be integrated into a larger automation system.

A typical architecture can include:

PLC → EtherNet/IP → Drive → Motor

An HMI can then provide an operator interface.

The operator may be able to view:

• Motor speed
• Drive status
• Current
• Frequency
• Warnings
• Faults
• Operating commands

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26. No Local HIM

The specified configuration uses a Blank / No HIM arrangement.

A Human Interface Module is a local operator interface used for viewing parameters, operating the drive and performing certain setup functions.

A no-HIM configuration can be useful where the drive is intended to be controlled from:

• PLC
• HMI
• SCADA
• Control room
• Central automation system

This can be especially practical when many drives are installed throughout a plant.

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27. Dynamic Braking

The specified model has no dynamic braking.

This is an important application consideration.

The drive can control motor deceleration, but applications requiring rapid stopping or significant energy dissipation should be evaluated separately.

Special attention should be given to:

• High-inertia loads
• Rapid stopping
• Frequent deceleration
• Regenerative loads
• Vertical machinery

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28. EMC Filtering

The model includes an EMC filtering configuration.

Electromagnetic compatibility is important for high-power variable frequency drive installations.

The complete installation should also consider:

• Grounding
• Bonding
• Motor cable routing
• Cable shielding
• Separation between control and power cables
• Cabinet construction
• Motor cable length

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29. CM Jumper Configuration

The specified AN0 configuration has the CM jumper removed.

This is a configuration detail that can affect the grounding and common-mode behavior of the drive system.

It should be taken into account when designing the electrical installation.

The grounding arrangement should be consistent with the intended system design and installation requirements.

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30. Maintenance

Large industrial drives require appropriate preventive maintenance.

Maintenance Area	Recommended Inspection
Cooling Fans	Check operation
Airflow	Ensure unobstructed cooling
Cabinet	Check cleanliness
Power Connections	Inspect according to maintenance procedure
Grounding	Verify grounding
Motor Cable	Inspect connections and insulation
Control Wiring	Check for loose connections
Network	Check communication
Fault History	Review recurring faults
Environment	Check temperature and contamination
Ventilation	Verify sufficient airflow

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31. Mechanical Installation

The 800 mm depth should be considered when planning the electrical room.

The installation should provide enough space for:

• Power connections
• Control wiring
• Network connections
• Airflow
• Inspection
• Maintenance
• Cable routing
• Component replacement

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32. Recommended Five Same-Series or Related Models

The following models are useful for comparison with the 20G11LE900AN0NNNNN.

Model	Series	Voltage	Current	LD Rating	ND Rating	HD Rating	Depth	Weight (kg)
20G11LE760AN0NNNNN	PowerFlex 755	600 VAC	760 A	900 HP	800 HP	700 HP	800 mm	Configuration-dependent
20G11LE825AN0NNNNN	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
20G11LE980AN0NNNNN	PowerFlex 755	600 VAC	980 A	1,100 HP	1,000 HP	900 HP	800 mm	Configuration-dependent
20G11LE1K1AN0NNNNN	PowerFlex 755	600 VAC class	Higher-current class	Higher capacity	Higher capacity	Higher capacity	Configuration-dependent	Configuration-dependent

These models provide a practical progression around the 900 A class.

The 760 A model is suitable where a lower current requirement exists.

The 825 A model is the next lower capacity option.

The 900 A JN0 configuration is especially relevant as a later configuration of the same basic electrical class.

The 980 A model provides additional current capacity for larger motor requirements.

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33. 760 A Comparison Model

Parameter	20G11LE760AN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	760 A
Light Duty	900 HP
Normal Duty	800 HP
Heavy Duty	700 HP
Cooling	Forced Air
Frame	Frame 9
Depth	800 mm
Enclosure	Type 1 / IP20
Communication	Embedded EtherNet/IP
Weight (kg)	Configuration-dependent

This model is useful when the motor current is below the 900 A requirement.

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34. 825 A Comparison Model

Parameter	20G11LE825AN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	825 A
Light Duty	950 HP
Normal Duty	900 HP
Heavy Duty	750 HP
Cooling	Forced Air
Frame	Frame 9
Depth	800 mm
Enclosure	Type 1 / IP20
Communication	Embedded EtherNet/IP
Weight (kg)	Configuration-dependent

This is one of the closest lower-capacity alternatives.

It provides a useful option when the application does not require the full 900 A capacity.

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35. 900 A JN0 Comparison Model

Parameter	20G11LE900JN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	900 A
Light Duty	1,000 HP
Normal Duty	950 HP
Heavy Duty	800 HP
Cooling	Forced Air
Frame	Frame 9
Depth	800 mm
Enclosure	Type 1 / IP20
Communication	Embedded EtherNet/IP
Weight (kg)	Configuration-dependent

This is particularly relevant when comparing the older AN0 configuration with a later JN0 configuration.

The primary electrical rating remains in the 900 A class.

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36. 980 A Comparison Model

Parameter	20G11LE980AN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC
Current	980 A
Light Duty	1,100 HP
Normal Duty	1,000 HP
Heavy Duty	900 HP
Cooling	Forced Air
Frame	Frame 9
Depth	800 mm
Enclosure	Type 1 / IP20
Communication	Embedded EtherNet/IP
Weight (kg)	Configuration-dependent

The 980 A version provides additional capacity.

It can be considered when the motor current is higher than the practical range of a 900 A drive.

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37. Higher-Capacity Comparison Model

Parameter	20G11LE1K1AN0NNNNN
Series	PowerFlex 755
Voltage	600 VAC class
Current	Higher-current class
Light Duty	Higher-power class
Normal Duty	Higher-power class
Heavy Duty	Higher-power class
Cooling	Forced Air
Installation	Large MCC configuration
Depth	Configuration-dependent
Weight (kg)	Configuration-dependent

This type of higher-capacity configuration is intended for applications beyond the 900 A class.

The actual selection should be based on motor current rather than horsepower alone.

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38. Five Popular Models from the Same Brand

For a broader comparison, the following models represent different capacity levels within the same brand’s industrial variable-frequency-drive portfolio.

Model	Product Family	Voltage Class	Current / Capacity	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 motors	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 motors	Configuration-dependent	Configuration-dependent
20G11LE900AN0NNNNN	PowerFlex 755	600 VAC	900 A	Very large industrial motors	800 mm depth; other dimensions configuration-dependent	Configuration-dependent

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39. Product Family Comparison

Model	Relative Size	Typical Application
25B-D010N104	Small	Small pumps, fans and machinery
25B-D017N104	Small / Medium	General industrial equipment
25B-D027N114	Medium	Medium industrial machinery
20F11ND077AA0NNNNN	Medium / Large	Process equipment
20G11LE900AN0NNNNN	Very Large	Large industrial motor systems

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40. Application Selection Guide

Application	Recommended Capacity Consideration
Large Pump	760–900 A class depending on motor
Large Fan	760–900 A class depending on motor
Heavy Conveyor	825–900 A class
Very Large Conveyor	900 A or higher
Large Compressor	825–900 A class
Large Crusher	900 A class or higher
Mining Equipment	825–980 A class depending on motor
Large Mixer	825–900 A class
Bulk Material Handling	825–980 A class
Small Machinery	Smaller drive family recommended

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41. Advantages Compared with Conventional Starting

Feature	Conventional Motor Starter	20G11LE900AN0NNNNN
Variable Speed	Limited	Yes
Controlled Acceleration	Limited	Yes
Controlled Deceleration	Limited	Yes
Network Communication	Limited	Yes
Motor Current Monitoring	Limited	Yes
Fault Diagnostics	Basic	Advanced drive diagnostics
Process Speed Control	Limited	Yes
Centralized Monitoring	Limited	Yes
Large Motor Control	Yes	Yes
Automation Integration	Limited	High

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42. Large-Motor Starting Advantages

Starting a large motor can create substantial electrical and mechanical stress.

A variable frequency drive can gradually increase the motor’s operating speed.

This can reduce the sudden torque transmitted through the mechanical system.

Potential benefits include:

• Reduced mechanical shock
• Smoother acceleration
• Reduced belt stress
• Reduced coupling stress
• Reduced gearbox stress
• Better process coordination

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43. Process Control Advantages

The drive can become part of the process-control system.

For example, a pump can increase speed when pressure drops.

A fan can reduce speed when ventilation demand falls.

A conveyor can change speed according to material flow.

A compressor can adjust output according to production requirements.

A mixer can use controlled acceleration and operating speed.

This flexibility is one of the major reasons to use a variable frequency drive in large industrial equipment.

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44. Energy-Saving Potential

A variable frequency drive can provide energy-saving opportunities, but the actual saving depends on the process.

Important factors include:

• Load type
• Operating speed
• Operating hours
• Motor efficiency
• Mechanical efficiency
• Process demand
• Pump or fan characteristics
• Control strategy

The greatest potential is often found in variable-torque applications such as centrifugal pumps and fans.

Reducing motor speed can significantly reduce the power required by certain types of loads.

The actual energy performance should therefore be calculated for the specific process.

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45. Maintenance Advantages

A properly maintained drive can support reliable operation of large motor systems.

The drive’s communication and diagnostic capabilities can also make troubleshooting easier.

Maintenance personnel can monitor:

• Drive status
• Current
• Speed
• Frequency
• Warning conditions
• Fault conditions
• Communication status
• Operating history

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46. Installation Checklist

Before installation, the following items should be checked.

Item	Requirement
Motor Voltage	Match drive voltage class
Motor Current	Must be within drive rating
Motor HP	Must match duty rating
Load Type	Determine correct duty
Starting Torque	Verify requirements
Overload	Verify required duty
Braking	Evaluate stopping requirements
Cabinet	Provide suitable installation
Airflow	Ensure sufficient cooling
Grounding	Provide correct grounding
Motor Cable	Correctly sized
Network	Confirm communication architecture
Temperature	Verify operating environment
Dust	Control contamination
Dimensions	Confirm available space
Weight (kg)	Confirm actual shipping/install weight

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47. Detailed Specification Summary

Category	20G11LE900AN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	High-Power AC Variable Frequency Drive
Voltage	600 VAC
Phase	Three Phase
Current	900 A
Light Duty	1,000 HP
Normal Duty	950 HP
Heavy Duty	800 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
Input	AC Input with DC Terminals
Communication	Embedded EtherNet/IP
EMC Filter	Yes
CM Jumper	Removed
Dynamic Braking	None
HIM	Blank / No HIM
Motor Application	Large Three-Phase AC Motors
Primary Applications	Pumps, fans, conveyors, compressors, crushers and process machinery

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48. Key Advantages at a Glance

Advantage	Practical Meaning
900 A Rating	Suitable for very large motors
1,000 HP LD	High-power motor capability
950 HP ND	Large normal-duty applications
800 HP HD	Demanding heavy-duty applications
600 VAC	High-voltage industrial motor systems
Variable Speed	Flexible process operation
Forced Air	High-power cooling
EtherNet/IP	Industrial network integration
800 mm MCC Style	Suitable for large electrical installations
EMC Filtering	Supports EMC-oriented system design
No HIM	Appropriate for centralized automation
No Dynamic Braking	Clear configuration for system planning

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49. Overall Product Evaluation

The 20G11LE900AN0NNNNN is a high-capacity industrial AC drive designed for large motor applications.

Its 900 A current rating places it among the larger PowerFlex 755 configurations.

The 600 VAC three-phase rating makes it suitable for large industrial electrical systems.

The 1,000 HP Light Duty, 950 HP Normal Duty and 800 HP Heavy Duty ratings provide different application ranges depending on the load characteristics.

The product’s air-cooled Frame 9 construction and 800 mm deep MCC-style arrangement are suited to large industrial electrical installations.

The embedded EtherNet/IP communication capability makes it particularly useful in modern automation systems where motor control, monitoring and diagnostics need to be integrated into a central control architecture.

The drive is especially appropriate for large pumps, fans, conveyors, compressors, crushers, mixers, mining equipment and bulk-material handling machinery.

For applications where the motor current is below 900 A, the 760 A and 825 A models may provide more appropriate sizing.

For applications requiring additional current capacity, the 980 A and higher-capacity configurations can be considered.

The product is not intended for small machinery.

Using a 900 A drive on a small motor would generally be an unnecessarily large solution.

Proper sizing should be based on motor nameplate current, voltage, horsepower, load torque, duty cycle, acceleration requirements and environmental conditions.

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50. Final Summary

The 20G11LE900AN0NNNNN is a PowerFlex 755 high-power air-cooled AC drive designed for large industrial three-phase motor applications.

Its key electrical specification is a 900 A current rating at the 600 VAC class.

The principal motor ratings are approximately 1,000 HP Light Duty, 950 HP Normal Duty and 800 HP Heavy Duty.

The drive uses Frame 9 construction and an 800 mm deep MCC-style Type 1 / IP20 configuration.

It includes embedded EtherNet/IP communication, an EMC filter, AC input with DC terminals and a no-HIM configuration.

The specified configuration has no dynamic braking and the CM jumper is removed, which are important details when planning the complete motor-control system.

Its primary advantages are high current capacity, large motor capability, variable-speed operation, controlled acceleration, centralized automation, network communication and suitability for large industrial installations.

The most suitable applications include large pumps, industrial fans, compressors, conveyors, crushers, mixers, mining equipment, material-handling systems and large process machinery.

For pump and fan applications, variable-speed control can provide better process matching and potentially reduce energy consumption when the process does not require continuous full-speed operation.

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

For automated factories and process plants, EtherNet/IP communication allows the drive to become part of a larger control system.

The most important selection criteria remain the motor’s actual nameplate voltage and current, duty classification, torque requirements, overload requirements, braking requirements and environmental conditions.

From a product-selection perspective, the 20G11LE900AN0NNNNN is best suited to installations where a very large motor requires a high-current variable frequency drive and where centralized industrial automation is required.

The 760 A and 825 A models provide lower-capacity alternatives, while the 980 A and higher-current configurations provide additional capacity for larger motors.

For smaller industrial machinery, smaller drive families are generally more appropriate.

Overall, the 20G11LE900AN0NNNNN is a high-power, large-frame industrial drive intended for demanding motor-control applications where reliability, high current capacity, variable-speed operation and automation integration are important.