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Allen-Bradley 20G1G3C460LNANNNNN PowerFlex 755 AC Drive

1. Product Overview

The 20G1G3C460LNANNNNN is a high-power AC variable frequency drive belonging to the PowerFlex 755 series. It is designed for industrial motor-control applications where a conventional low-power inverter is not sufficient and where stable speed regulation, controlled acceleration and deceleration, reliable torque control, and integration with an industrial automation system are required.

This model is a three-phase, 400 VAC-class drive with a nominal current rating of approximately 460 A. It uses an air-cooled, floor-mounted construction and is intended for large industrial motors and machinery.

The drive is particularly suitable for heavy-duty industrial equipment such as conveyors, pumps, fans, compressors, material-handling machinery, process equipment, mixers, production lines, and other applications requiring controlled operation of large AC motors.

The model is also associated with a low-harmonic input configuration. This type of configuration is useful in industrial plants where the electrical system has strict power-quality requirements and where the effect of large variable-frequency drives on the incoming power supply needs to be controlled.

The PowerFlex 755 platform is designed as a flexible industrial drive system rather than a simple speed controller. It can be incorporated into larger automation systems and can work with motor feedback, communication networks, control systems, and application-specific functions depending on the installed configuration.

2. Basic Product Information

Item	Specification
Model	20G1G3C460LNANNNNN
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 755
Product Type	AC Variable Frequency Drive
Application Class	Industrial motor control
Input Voltage	400 VAC class
Input Phase	Three-phase
Nominal Drive Current	460 A class
DC Nominal Current	Approximately 477 A class
Input Configuration	Low Harmonic / AFE
Cooling Method	Air cooled
Mounting Method	Floor mount
Frame Size	Frame 8B class
Enclosure Class	Type 1 / IP21 class configuration
Dynamic Braking	None in the referenced configuration
Motor Type	AC induction and compatible AC motor applications
Output	Variable-frequency three-phase AC
Main Function	Motor speed and torque control
Typical Application	Large industrial machinery
Installation	Industrial electrical installation
Approximate Dimensions	800 × 600 × 400 mm class
Approximate Weight	150 kg class, configuration dependent
Operating Environment	Industrial environment
Control Architecture	Programmable industrial AC drive
Communication	Available through compatible communication options
Feedback	Available through compatible feedback options
Safety Functions	Configuration dependent
Typical Motor Range	Large motor applications, depending on duty and operating conditions

3. Product Identification

Model: 20G1G3C460LNANNNNN

Brand: Allen-Bradley

Series: PowerFlex 755

Product category: High-power industrial AC drive

Drive configuration: Air-cooled, low-harmonic, floor-mounted AC drive

Voltage class: 400 VAC

Current class: 460 A

Frame: Frame 8B class

The catalog number identifies a specific configuration within the PowerFlex 755 platform. Different letters and numbers in the catalog number represent drive construction, voltage class, current rating, enclosure arrangement, operator/control configuration, and option positions.

Because the PowerFlex 755 family can be supplied with different options, the complete catalog number should always be retained when replacing an existing drive. A drive with the same general power rating but a different option structure may not be a direct electrical or mechanical replacement.

4. Main Technical Parameters

Parameter	Specification
Model	20G1G3C460LNANNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Drive Type	AC Variable Frequency Drive
Input Voltage	400 VAC
Input Phase	3 Phase
Nominal Output Current	460 A
DC Nominal Current	Approximately 477 A
Input Frequency	50/60 Hz class
Input Type	Low Harmonic AFE
Output Phase	3 Phase
Cooling	Air cooled
Frame Size	8B
Mounting	Floor mount
Enclosure	Type 1 / IP21 class
Dynamic Braking	None
EMC Filter	Not included in the referenced configuration
HIM	Not included in the referenced configuration
Motor Control	Advanced AC motor control
Speed Control	Variable-frequency speed control
Torque Control	Supported depending on control mode
Feedback	Optional / configuration dependent
Communication	Optional / configuration dependent
Safety	Configuration dependent
Approx. Dimensions	800 mm H × 600 mm W × 400 mm D
Approx. Weight	150 kg
Cooling Arrangement	Forced-air cooling
Installation Position	Vertical floor-mounted installation
Main Use	Large industrial motors
Typical Applications	Conveyors, pumps, fans, compressors, process machinery
Input Harmonic Management	Low-harmonic AFE configuration
Industrial Integration	Suitable for PLC/HMI/automation integration
Replacement Consideration	Exact catalog configuration should be matched

5. Dimensions and Weight

The physical dimensions of this model are important because it belongs to a large-frame industrial drive category.

For the referenced configuration, the equipment is approximately 800 mm high, 600 mm wide and 400 mm deep, with a nominal weight in the 150 kg class.

These values should be treated as approximate installation-planning values. Actual dimensions and shipping weight can change depending on the exact enclosure arrangement, options, accessories, terminal arrangement, and packaged configuration.

Mechanical Parameter	Approximate Value
Model	20G1G3C460LNANNNNN
Mounting	Floor mount
Frame	8B
Height	Approximately 800 mm
Width	Approximately 600 mm
Depth	Approximately 400 mm
Approx. Weight	Approximately 150 kg
Cooling	Air cooled
Installation Direction	Vertical
Cabinet Access	Front access required
Ventilation	Required
Floor Installation	Required
Service Clearance	Must be provided according to installation conditions

For an engineering drawing, transportation plan, lifting plan, or structural calculation, the actual nameplate and equipment drawing should be used as the final dimensional reference.

6. Product Introduction

The 20G1G3C460LNANNNNN is designed for industrial applications where large AC motors need controlled and adjustable operation.

Instead of connecting a large motor directly to the power supply and operating it at a fixed speed, the drive changes the electrical frequency and voltage supplied to the motor. This allows the motor speed to be adjusted according to the requirements of the machine or production process.

This approach is particularly useful when the motor does not need to operate continuously at full speed.

For example, a pump may only need 70% of its maximum operating speed during part of the production cycle. A fan may require different airflow levels depending on process conditions. A conveyor may need a slow acceleration period before reaching production speed. A mixer may need different speeds during loading, mixing, and discharge.

The drive provides the electrical interface between the plant power system and the motor while also providing control, monitoring, protection, and communication functions.

7. Low-Harmonic Input Configuration

One of the important characteristics of this configuration is its low-harmonic input arrangement.

Large conventional AC drives can introduce harmonic currents into an electrical distribution system. When many large drives operate in the same facility, these harmonic currents can become an important engineering consideration.

A low-harmonic active-front-end type arrangement can provide improved control of the input current waveform compared with a conventional six-pulse rectifier arrangement.

This can be useful in facilities where electrical power quality is important.

Typical situations include:

• Large manufacturing plants
• Industrial process plants
• Facilities with many high-power drives
• Plants with sensitive electrical equipment
• Generator-backed industrial systems
• Plants with limited transformer capacity
• Production facilities with strict power-quality requirements

8. Product Applications

8.1 Conveyor Systems

Large conveyor systems are one of the most suitable applications for a high-power drive.

A conveyor carrying heavy material can experience substantial mechanical stress if the motor starts suddenly. Controlled acceleration allows the drive to gradually increase motor speed rather than immediately applying full operating speed.

The drive can therefore be used in:

• Mining conveyors
• Bulk material conveyors
• Cement plant conveyors
• Steel plant conveyors
• Aggregate processing equipment
• Port material-handling systems
• Large warehouse conveyors
• Continuous production lines

Speed control can also be useful when production requirements change during the operating cycle.

8.2 Pumps

The drive can control the speed of large industrial pumps.

Pump applications frequently require different flow rates at different times. Instead of running the pump continuously at maximum speed, the drive can adjust motor speed according to the process requirement.

Typical applications include:

• Water circulation
• Industrial cooling systems
• Process water
• Wastewater systems
• Chemical processing
• Industrial utilities
• Large pumping stations
• Manufacturing process pumps

8.3 Fans and Blowers

Large fans and blowers are another important application area.

The drive can change motor speed to match actual ventilation requirements.

Possible applications include:

• Industrial ventilation
• Furnace exhaust
• Dust collection
• Steel processing
• Cement production
• Mining ventilation
• Large HVAC systems
• Process-air systems

8.4 Compressors

Large compressors require controlled starting and stable operation.

A variable-frequency drive can help control motor speed and reduce the mechanical stress associated with direct-on-line starting.

Potential applications include:

• Industrial air compressors
• Process compressors
• Cooling equipment
• Manufacturing utilities
• Process plants

8.5 Mixers and Agitators

Industrial mixers can require different speeds during different stages of the process.

The drive can provide adjustable speed and controlled acceleration.

Typical applications include:

• Chemical mixing
• Food processing
• Material preparation
• Industrial blending
• Slurry mixing
• Process tanks

8.6 Extruders and Processing Equipment

Large material-processing machines can require stable speed and torque.

The drive can be used where the motor must maintain controlled operation while the mechanical load changes.

Applications can include:

• Material processing
• Extrusion machinery
• Production machinery
• Large machine systems
• Continuous processing equipment

9. Main Product Advantages

9.1 High Current Capacity

The 460 A current class allows the drive to control substantially larger motors than compact industrial drives.

This makes the model suitable for large machinery where a small wall-mounted drive would not provide sufficient capacity.

9.2 Low-Harmonic Input Design

The low-harmonic input configuration is particularly useful in large industrial electrical systems.

It can help reduce the electrical impact of large variable-frequency drives on the incoming power system compared with conventional rectifier arrangements.

9.3 Flexible Motor Control

The PowerFlex 755 platform provides multiple motor-control functions.

Depending on the selected configuration, the drive can be used for speed control, torque control, feedback-based control, and other advanced motor-control requirements.

9.4 Suitable for Automation Systems

The drive can be incorporated into a larger automation architecture.

A typical system can contain:

PLC → Industrial Network → PowerFlex Drive → AC Motor → Mechanical Equipment

The controller can provide speed references, commands, operating modes, and process information.

The drive can return information such as:

• Motor speed
• Output frequency
• Output current
• Drive status
• Fault information
• Alarm information
• Torque information
• Operating condition

9.5 Modular Configuration

The PowerFlex 755 platform is designed with a modular approach.

Depending on the application, additional functions may include:

• Communication modules
• Feedback modules
• Encoder interfaces
• Safety functions
• Additional I/O
• Operator interfaces
• Application-specific options

9.6 Suitable for Heavy Industrial Machinery

The physical and electrical design is intended for industrial equipment rather than small standalone machines.

The 460 A rating gives it a place in large motor-control systems where reliability, maintainability, and integration with the automation system are important considerations.

10. PowerFlex 755 Series Characteristics

The PowerFlex 755 series is a high-performance industrial AC drive platform.

It covers a broad range of motor-control requirements and can be configured for different voltage classes, current ratings, enclosure types, feedback systems, communication requirements, and application functions.

Common characteristics of the series include:

Feature	PowerFlex 755 Characteristics
Motor Control	Advanced AC motor control
Power Range	Broad industrial power range
Construction	Modular industrial architecture
Communication	Multiple industrial network options
Feedback	Encoder and other feedback options
Application Flexibility	High
Large Motor Control	Yes
Low-Harmonic Configurations	Available
Regenerative Configurations	Available within the product family
Safety Options	Available depending on configuration
Installation	Panel, cabinet, or floor-mounted configurations depending on model
Industrial Automation	Suitable
Process Control	Suitable
Heavy Machinery	Suitable

11. Recommended Five Related Models in the Same Series

The following five models are closely related PowerFlex 755 configurations. They are useful for comparing current capacity and motor size within the same general product family.

No.	Model	Series	Voltage Class	Current Class	Approx. Power Class	Frame	Cooling	Approx. Dimensions	Approx. Weight
1	20G1G3C367LNANNNNN	PowerFlex 755	400 VAC	367 A	~200 kW class	8	Air cooled	~800 × 600 × 400 mm class	~150 kg class
2	20G1G3C460LNANNNNN	PowerFlex 755	400 VAC	460 A	~250 kW class	8	Air cooled	~800 × 600 × 400 mm class	~150 kg class
3	20G1G3C540LNANNNNN	PowerFlex 755	400 VAC	540 A	~315 kW class	8	Air cooled	~800 × 600 × 400 mm class	~150 kg class
4	20G1G3C585LNANNNNN	PowerFlex 755	400 VAC	585 A	~315 kW class	8	Air cooled	~800 × 600 × 400 mm class	~150 kg class
5	20G1G3C650LNANNNNN	PowerFlex 755	400 VAC	650 A	~355 kW class	8	Air cooled	~800 × 600 × 400 mm class	~150 kg class

The exact motor power that can be assigned to each model depends on the applicable duty rating, motor voltage, motor efficiency, ambient conditions, overload requirement, and operating profile. Current rating is therefore the more important parameter when selecting a replacement drive.

12. Related Model Comparison

Model	Current	Relative Capacity	Typical Application
20G1G3C367LNANNNNN	367 A	Lower than the subject model	Large pumps, fans and conveyors
20G1G3C460LNANNNNN	460 A	Reference model	Large industrial machinery
20G1G3C540LNANNNNN	540 A	Higher	Heavy process equipment
20G1G3C585LNANNNNN	585 A	Higher	Large continuous-duty equipment
20G1G3C650LNANNNNN	650 A	Higher	Very large industrial motors

These models are particularly useful when an existing application needs to remain within the same general PowerFlex 755 architecture while the required motor current changes.

13. Five Other Popular Models Under the Same Brand

The following models represent commonly encountered products from the same brand but are intended for considerably different motor sizes and machine requirements.

They should not be treated as direct replacements for the 460 A PowerFlex 755 without checking motor current, voltage, duty, overload requirements, enclosure, communications, and mechanical installation requirements.

No.	Model	Series	Voltage Class	Current Class	Typical Application	Approx. Dimensions	Approx. Weight
1	25B-D024N114	PowerFlex 525	480 VAC class	24 A class	Small and medium machinery	~200 × 100 × 180 mm class	~3 kg class
2	25B-D017N114	PowerFlex 525	480 VAC class	17 A class	Pumps, fans, conveyors	~200 × 100 × 180 mm class	~3 kg class
3	25B-D010N114	PowerFlex 525	480 VAC class	10 A class	Machine automation	~200 × 100 × 180 mm class	~2–3 kg class
4	25A-D017N114	PowerFlex 523	480 VAC class	17 A class	General-purpose motor control	~200 × 100 × 180 mm class	~3 kg class
5	20F1ANC030JA0NNNNN	PowerFlex 753	480 VAC class	30 A class	Industrial automation and process machinery	~300 × 200 × 250 mm class	~15–20 kg class

The dimensions and weights in this table are approximate size classes rather than guaranteed shipping dimensions. The actual values can vary according to frame, enclosure, keypad, option cards, braking hardware, and other configuration selections.

14. PowerFlex 525 Compared With PowerFlex 755

The PowerFlex 525 is generally aimed at compact machine-level applications, while the PowerFlex 755 is designed for considerably larger and more sophisticated industrial systems.

Feature	PowerFlex 525	PowerFlex 755
General Position	Compact AC drive	High-performance industrial AC drive
Typical Installation	Wall/panel mounted	Panel/cabinet/floor mounted depending on size
Motor Size	Small to medium	Medium to very large
Current Range	Relatively low	Much higher
Modular Architecture	Limited compared with 755	Extensive
Feedback Options	More limited	Extensive
High-Power Applications	Limited	Well suited
Low-Harmonic Options	Limited	Available
Heavy Machinery	Limited	Suitable
Process Equipment	Suitable for smaller systems	Suitable for larger systems

15. PowerFlex 753 Compared With PowerFlex 755

The PowerFlex 753 and PowerFlex 755 are much closer in application range.

The 753 is suitable for a wide variety of industrial applications, while the 755 provides a broader range of advanced functions and is particularly appropriate when the machine requires extensive feedback, networking, safety, motion-related functions, or high-power configurations.

Feature	PowerFlex 753	PowerFlex 755
Product Type	Industrial AC drive	High-performance industrial AC drive
Application	General industrial machinery	Advanced industrial machinery
Power Range	Broad	Broad, including high-power systems
Feedback	Available	Extensive options
Networking	Available	Extensive options
Low-Harmonic Configuration	Available in selected configurations	Available
Large Motor Applications	Yes	Yes
Advanced Control	Yes	Extensive
Modular Options	Yes	Extensive
Heavy Industrial Applications	Suitable	Suitable

16. Typical Installation Environment

The 20G1G3C460LNANNNNN is intended for an industrial electrical environment.

A typical installation may contain:

Main Incoming Power

↓

Circuit Protection

↓

Disconnect / Isolation

↓

PowerFlex 755 Drive

↓

Motor

↓

Mechanical Load

At the control level:

PLC / Controller

↓

Industrial Communication Network

↓

Drive Control

↓

Motor Operation

The drive should be installed in an environment that satisfies the applicable electrical, thermal, ventilation, grounding, clearance, and protection requirements.

17. Advantages in Manufacturing Automation

In a modern manufacturing system, a high-power drive does much more than start and stop a motor.

It can become an important part of the process-control system.

For example, a production controller can command a conveyor to operate at different speeds according to production requirements.

A pump can change speed according to pressure or flow.

A fan can adjust its speed according to temperature or ventilation demand.

A mixer can operate at multiple programmed speeds during different stages of a process.

A compressor can respond to changing production demand.

This makes the drive an active component in the overall automation architecture.

18. Motor Protection and Monitoring

A properly configured AC drive can provide a range of monitoring and protection functions.

Depending on the selected configuration, these may include:

• Overcurrent monitoring
• Overvoltage monitoring
• Undervoltage monitoring
• Motor overload protection
• Drive temperature monitoring
• Motor thermal management
• Stall detection
• Ground-fault-related protection
• Overspeed protection
• Communication fault monitoring
• Drive fault recording
• Alarm management

These functions can help maintenance personnel identify abnormal operating conditions before they develop into larger production problems.

19. Maintenance Advantages

A major advantage of a modern industrial drive is the amount of operating information available to maintenance personnel.

Instead of simply knowing that a motor has stopped, the control system can often identify whether the drive has experienced an overcurrent, overload, communication problem, thermal condition, or other operating fault.

This can reduce troubleshooting time.

For large industrial machinery, reduced troubleshooting time can be particularly valuable because an unexpected motor or drive failure can interrupt an entire production process.

20. Energy Management Applications

Variable-frequency control can also be useful for energy management.

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

If a process does not require full motor speed, reducing motor speed can significantly reduce the mechanical power required by the system.

The actual energy savings depend on the motor, pump or fan characteristics, operating profile, process requirements, system efficiency, and control strategy.

For this reason, the drive should not simply be considered an electrical replacement for a motor starter. It can also be an important tool for matching motor operation to actual process demand.

21. Important Selection Parameters

When selecting a replacement or equivalent model, the following parameters should be checked carefully.

Selection Parameter	Requirement
Model	20G1G3C460LNANNNNN
Supply Voltage	400 VAC class
Supply Phase	3 phase
Motor Voltage	Must match motor
Motor Current	Must be within drive capability
Motor Power	Must match applicable drive rating
Duty	Normal or heavy duty as required
Overload	Must satisfy application requirement
Input Configuration	Low harmonic requirement should be confirmed
Enclosure	Type 1 / IP21 class configuration
Mounting	Floor mount
Frame	8B
Cooling	Air cooled
Braking	Confirm whether braking is required
Feedback	Confirm encoder or feedback requirement
Communication	Confirm PLC/network requirements
Safety	Confirm required safety functions
Dimensions	Approx. 800 × 600 × 400 mm class
Weight	Approx. 150 kg class
Environment	Check temperature, altitude, humidity and contamination
Motor Cable	Confirm length and electrical requirements
Grounding	Confirm installation requirements
Upstream Protection	Must be correctly sized
Replacement Compatibility	Exact catalog configuration should be checked

22. Product Advantages at a Glance

Advantage	Description
High Current Capacity	Suitable for large industrial motors
Low-Harmonic Input	Useful where power quality is important
Advanced Motor Control	Provides more than simple fixed-speed operation
Industrial Construction	Designed for demanding industrial environments
Flexible Configuration	Multiple options and modules can be integrated
Network Integration	Can communicate with industrial control systems
Feedback Support	Suitable for applications requiring motor feedback
Monitoring	Provides extensive drive and motor operating information
Application Flexibility	Suitable for conveyors, pumps, fans and process equipment
Maintenance Support	Fault and operating information can simplify troubleshooting
Scalable Platform	Related models cover different current requirements
High-Power Capability	Appropriate for large motor-control applications

23. Five Same-Series Recommendations

1. 20G1G3C367LNANNNNN

The 20G1G3C367LNANNNNN is a lower-current configuration within the same general PowerFlex 755 family.

It can be considered when the motor’s required current is below the 460 A capacity of the subject model.

Typical applications include large pumps, fans, conveyors, and industrial processing equipment.

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2. 20G1G3C460LNANNNNN

The 20G1G3C460LNANNNNN is the reference model in this comparison.

It is appropriate where the application requires approximately 460 A of drive capacity and a 400 VAC-class low-harmonic configuration.

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3. 20G1G3C540LNANNNNN

The 20G1G3C540LNANNNNN provides a higher current capacity than the subject model.

It can be considered for larger motors or applications with higher current demand, provided the motor and duty requirements are within the applicable rating.

---

4. 20G1G3C585LNANNNNN

The 20G1G3C585LNANNNNN is another higher-current configuration within the same family.

It can be useful where the application requires additional current capacity while maintaining a similar general PowerFlex 755 platform.

---

5. 20G1G3C650LNANNNNN

The 20G1G3C650LNANNNNN provides a still higher current class and is intended for larger industrial motor applications.

It can be considered for heavy machinery, large process equipment, and other applications requiring higher drive capacity.

24. Recommended Same-Brand Models

For applications that do not require the very high current capacity of the 20G1G3C460LNANNNNN, smaller models can be more appropriate.

Model	Series	Voltage	Current Class	Main Application	Approx. Size	Approx. Weight
25B-D024N114	PowerFlex 525	480 VAC class	24 A	Machine automation, pumps, fans	~200 × 100 × 180 mm	~3 kg
25B-D017N114	PowerFlex 525	480 VAC class	17 A	Conveyors, pumps, fans	~200 × 100 × 180 mm	~3 kg
25B-D010N114	PowerFlex 525	480 VAC class	10 A	Compact machinery	~200 × 100 × 180 mm	~2–3 kg
25A-D017N114	PowerFlex 523	480 VAC class	17 A	General machine control	~200 × 100 × 180 mm	~3 kg
20F1ANC030JA0NNNNN	PowerFlex 753	480 VAC class	30 A class	Industrial automation	~300 × 200 × 250 mm	~15–20 kg

25. Recommended Application Matching

Application	Recommended Drive Class	Reason
Small conveyor	PowerFlex 525 / 523	Compact and economical
Medium pump	PowerFlex 525	Appropriate for moderate motor power
Medium industrial fan	PowerFlex 525 / 753	Flexible speed control
Large conveyor	PowerFlex 755	High current and advanced control
Large process pump	PowerFlex 755	High-power operation
Large blower	PowerFlex 755	High motor capacity
Large compressor	PowerFlex 755	High-power controlled operation
Heavy mixer	PowerFlex 755	Torque and speed control
Large material-processing machine	PowerFlex 755	Advanced control and high power
High-power process equipment	PowerFlex 755	High current and industrial integration

26. Important Points Before Purchasing

The catalog number 20G1G3C460LNANNNNN should be treated as a complete configuration identifier.

When purchasing a replacement, it is not enough to match only the following:

400 VAC + 460 A

The following should also be checked:

• Exact catalog number
• Input configuration
• Enclosure configuration
• Frame size
• Operator interface
• Feedback modules
• Communication modules
• Safety options
• Braking requirements
• Motor duty
• Motor current
• Motor voltage
• Motor power
• Ambient temperature
• Installation altitude
• Cooling conditions
• Cabinet dimensions
• Cable requirements
• Upstream protection
• Grounding arrangement
• Control-system compatibility

27. Product Summary

Category	Details
Model	20G1G3C460LNANNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	High-power AC variable frequency drive
Input Voltage	400 VAC class
Phase	3 phase
Current	460 A nominal class
DC Current	Approximately 477 A class
Input Type	Low Harmonic AFE
Cooling	Air cooled
Frame	8B
Mounting	Floor mount
Enclosure	Type 1 / IP21 class
Dynamic Braking	None
Approx. Dimensions	800 × 600 × 400 mm
Approx. Weight	150 kg
Main Function	Large AC motor speed and torque control
Applications	Conveyors, pumps, fans, compressors, mixers, process equipment
Main Strength	High-power industrial motor control
Control	Advanced variable-frequency motor control
Communication	Available depending on configuration
Feedback	Available depending on configuration
Best Fit	Large industrial automation and process systems

28. Final Product Description

The 20G1G3C460LNANNNNN is a high-power PowerFlex 755 AC variable frequency drive designed for large industrial motor-control applications.

Its 400 VAC-class three-phase input, approximately 460 A current rating, air-cooled construction, floor-mounted design, and low-harmonic input configuration make it suitable for demanding industrial applications where motor speed, torque, process stability, and electrical power quality are important.

The drive can be used in large conveyors, industrial pumps, ventilation systems, fans, compressors, mixers, material-processing machinery, and other heavy-duty production equipment.

Compared with compact AC drives, the PowerFlex 755 platform provides a much broader range of configuration possibilities. Communication, motor feedback, control functions, safety features, and other options can be selected according to the machine requirements.

For large production systems, another important advantage is the ability to integrate the drive into the plant automation architecture. The drive can receive operating commands and speed references from a controller while returning motor and drive information to the automation system.

The low-harmonic configuration is also valuable in facilities where many large drives operate simultaneously. Controlling the electrical characteristics of the incoming current can help the drive fit more effectively into a large industrial power-distribution system.

The physical construction is equally important. The approximate size of 800 mm × 600 mm × 400 mm and approximate weight of 150 kg place this equipment firmly in the industrial high-power drive category. Adequate installation space, ventilation, electrical clearance, service access, lifting arrangements, and floor support should therefore be considered before installation.

The most important selection point is not simply the nominal 460 A rating. The complete application should be evaluated, including motor voltage, motor full-load current, motor power, overload requirements, operating speed range, acceleration and deceleration requirements, braking requirements, feedback requirements, communication requirements, ambient conditions, and enclosure requirements.

When a replacement is required, retaining the complete catalog number is strongly recommended. Two drives with similar current ratings can have different option structures and may therefore differ in communication, feedback, safety, enclosure, braking, or control functionality.

Overall, the 20G1G3C460LNANNNNN is positioned as a large industrial AC drive for applications that require substantially more capability than a compact machine-level inverter. Its combination of high current capacity, advanced motor control, low-harmonic input architecture, industrial networking capability, modular configuration, and compatibility with large machinery makes it suitable for demanding motor-control systems.