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Allen-Bradley 20G1F4E760LNDNNNNN PowerFlex 755 AC Packaged Drive

1. Product Overview

The 20G1F4E760LNDNNNNN is a high-power PowerFlex 755 AC Packaged Drive designed for large industrial motor-control applications.

It is an air-cooled packaged drive, intended for applications where a large motor requires controlled starting, stopping, speed regulation, and reliable operation under demanding industrial conditions.

The model is part of the PowerFlex 755 family and belongs to the high-current section of the product range. The catalog information identifies the unit with a 782 A current rating and a 600 V AC rating.

The packaged construction makes this model particularly suitable for centralized electrical installations, large production lines, process plants, material-handling systems, and other industrial facilities where a high-power drive is installed as part of a complete motor-control system.

The air-cooled design uses forced airflow to remove heat generated during operation. Because of the high electrical power involved, cabinet ventilation, ambient temperature, airflow clearance, and regular cooling-system maintenance are important parts of the installation.

The model is also available as part of a broader PowerFlex 755 family that includes neighboring current classes and different input and configuration options. Related catalog numbers include the 395 A, 545 A, 825 A, and 980 A class units.

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2. Basic Product Information

Item	Specification
Brand	Allen-Bradley
Series	PowerFlex 755
Model	20G1F4E760LNDNNNNN
Product Type	AC Variable Frequency Drive
Product Description	Air-Cooled 755 AC Packaged Drive
Drive Construction	Packaged Industrial Drive
Cooling Method	Air Cooled / Forced Air
Rated Current	782 A
Voltage Rating	600 V AC
Phase	Three-Phase Industrial AC
Installation	Floor-Mounted
Application Class	High-Power Industrial Motor Control
Drive Family	PowerFlex 755
Approximate Current Class	760–782 A class
Approximate Dimensions	2477 × 800 × 800 mm
Approximate Weight	700 kg
Weight Unit	kg
Cabinet Format	Large Industrial Packaged Cabinet
Typical Duty	Continuous Industrial Motor Operation
Main Application	Large AC Motors
Cooling Requirement	Adequate Ventilation and Airflow

The 782 A and 600 V AC figures are the listed electrical ratings for this exact catalog number.

The dimensions and weight above are provided as practical planning values for this large packaged-drive class. Final cabinet dimensions and shipping weight can vary according to factory configuration, options, enclosure arrangement, and installed accessories.

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3. Product Introduction

The 20G1F4E760LNDNNNNN is designed for applications where a conventional small variable-frequency drive is not sufficient for the motor size or process requirements.

Large industrial motors are commonly used in conveyors, pumps, fans, compressors, crushers, production equipment, and bulk-material handling systems.

These machines can have high inertia, high starting torque, long operating cycles, and substantial mechanical loads.

A high-power AC drive allows the motor to operate at a controlled speed rather than simply running at the fixed frequency of the incoming power supply.

This gives the process operator greater control over acceleration, deceleration, running speed, and overall machine operation.

The packaged configuration also provides a more substantial installation format than a compact standalone drive.

For large facilities, this type of cabinet-based equipment can be installed in an electrical room, motor-control area, equipment room, or dedicated drive room.

The air-cooled arrangement provides a practical thermal-management method for high-power electronics.

During normal operation, the power components generate considerable heat. Forced airflow moves this heat away from the drive components and into the surrounding environment.

For this reason, the installation area should be designed with suitable ventilation and sufficient clearance around the cabinet.

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4. Detailed Technical Parameters

Parameter	Detailed Specification
Model Number	20G1F4E760LNDNNNNN
Brand	Allen-Bradley
Product Series	PowerFlex 755
Product Category	AC Drive
Drive Type	Variable Frequency AC Drive
Package Type	Air-Cooled AC Packaged Drive
Rated Current	782 A
Current Class	Approximately 760–782 A
Voltage Rating	600 V AC
Input Type	Three-Phase AC
Motor Type	Industrial AC Motor
Cooling	Forced-Air Cooling
Cabinet Style	Packaged Industrial Cabinet
Installation	Floor Mounted
Control Function	Variable-Speed Motor Control
Typical Duty	Heavy Industrial Duty
Approximate Height	2477 mm
Approximate Width	800 mm
Approximate Depth	800 mm
Approximate Dimensions	2477 × 800 × 800 mm
Approximate Weight	700 kg
Weight	700 kg
Cooling Environment	Ventilated Electrical / Industrial Area
Application Level	High-Power Industrial Machinery
Typical Motor Size	Large Industrial Motors
Maintenance Access	Front/Service Area Required
Installation Consideration	Floor Loading and Lifting Access Required

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5. Electrical Characteristics

The most important electrical characteristic of the 20G1F4E760LNDNNNNN is its high current capability.

The listed current rating is 782 A, making this a substantial industrial drive intended for large motor installations.

The listed voltage rating is 600 V AC, placing the model in a high-voltage industrial drive class suitable for large motor systems.

The combination of high voltage and high current means that the drive should be treated as major electrical equipment rather than a small motor-control component.

Proper upstream protection, grounding, cable selection, motor compatibility, thermal management, and installation procedures are important.

The motor’s nameplate current should always be checked against the selected drive configuration before final application.

The actual motor duty is also important.

A conveyor, crusher, compressor, fan, and pump can have very different torque and acceleration requirements even when their motors have similar rated power.

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6. Physical Construction

The 20G1F4E760LNDNNNNN is a packaged-drive configuration rather than a small wall-mounted drive.

Its floor-mounted format is appropriate for high-power electrical equipment where cabinet size, component access, cooling, cable routing, and service requirements need to be considered during installation planning.

The approximate planning dimensions are 2477 mm high × 800 mm wide × 800 mm deep.

At approximately 700 kg, the equipment requires proper transportation and lifting arrangements.

The installation floor should be checked for adequate load-bearing capacity.

Access routes should also be considered before delivery because the cabinet height, width, depth, and weight can create restrictions when moving the equipment through plant doors, corridors, elevators, or electrical rooms.

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7. Cooling System

The model uses an air-cooled design.

High-power semiconductor devices and other electrical components generate heat during operation.

Forced airflow is used to transfer this heat away from the power section and maintain an acceptable operating temperature.

The cooling system therefore becomes an important part of overall drive reliability.

Ventilation openings should remain unobstructed.

The installation area should not expose the equipment to excessive ambient temperature, heavy dust accumulation, corrosive gases, or conditions that can restrict airflow.

Regular inspection of cooling fans and airflow passages is recommended as part of normal preventive maintenance.

A clean and properly ventilated electrical room can significantly simplify thermal management for a large air-cooled drive.

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8. Product Applications

Large Conveyor Systems

The 20G1F4E760LNDNNNNN is well suited to large conveyor installations where substantial motor power is required.

Mining conveyors, bulk-material conveyors, port conveyors, cement conveyors, and large production-line conveyors can require controlled acceleration because starting a heavily loaded conveyor can create considerable mechanical stress.

Variable-speed operation also allows the conveyor to run at different speeds according to production requirements.

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Mining Equipment

Mining operations commonly use large motors for material transport, ventilation, pumping, crushing, and processing.

A high-current AC drive can be used where controlled motor operation is required for large mining machinery.

Typical applications include long conveyors, crushers, material-handling systems, pumps, fans, and other electrically driven equipment.

The floor-mounted packaged configuration is suitable for centralized electrical installations within large industrial facilities.

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Cement Plants

Cement manufacturing involves numerous high-power motors.

Fans, conveyors, crushers, mills, pumps, separators, and other process equipment can require large motor-control systems.

Variable-speed control allows the motor operating point to be adjusted according to process requirements.

This can be particularly useful for equipment where production rate, airflow, pressure, or material flow changes during normal operation.

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Steel and Metal Processing

Steel plants and metal-processing facilities use large motors throughout the production process.

Large fans, pumps, conveyors, rollers, cooling systems, and auxiliary machinery can benefit from adjustable-speed motor control.

Controlled acceleration and deceleration can also reduce sudden mechanical loading on connected equipment.

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Large Pumping Systems

Industrial water systems, cooling-water systems, wastewater plants, process-fluid systems, and other large pumping installations may use high-power motors.

Variable-speed operation can allow pump output to be adjusted to actual system demand.

This can provide more flexible process control than operating the pump continuously at one fixed speed.

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Large Industrial Fans

Large ventilation and process fans can require substantial motor power.

The drive can provide controlled speed operation so that airflow can be adjusted according to process requirements.

Starting a large fan can also involve significant motor current and mechanical inertia, making controlled acceleration useful.

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Compressors

Large compressors can require high-power motors and controlled operating conditions.

The drive can be integrated into a compressor control system where motor speed must be adjusted according to process demand.

The actual control method depends on the compressor design and overall machine-control system.

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Material Handling

Bulk-material handling systems often operate continuously and may contain long conveyors, transfer systems, bucket elevators, feeders, and other heavy equipment.

The high-current drive configuration provides a suitable platform for large motor applications where speed control and controlled acceleration are required.

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General Process Machinery

The drive can also be used for large process machines where motor speed needs to be controlled electronically.

This includes large production equipment, process lines, industrial ventilation systems, and other machinery requiring adjustable-speed operation.

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9. Main Product Advantages

Advantage	Description
High Current Capacity	782 A rating supports large industrial motor applications
High Voltage Capability	600 V AC rating is suitable for high-power industrial motor systems
Adjustable Speed	Allows motor speed to be matched to process requirements
Controlled Acceleration	Helps reduce starting shock and mechanical stress
Controlled Deceleration	Provides smoother stopping of large machinery
Air-Cooled Design	Provides forced-air thermal management
Packaged Cabinet	Provides a structured installation for large drive equipment
Heavy Industrial Application	Suitable for demanding motor-control systems
Large Motor Compatibility	Designed for substantial motor loads
Centralized Installation	Suitable for electrical rooms and dedicated drive areas
Process Flexibility	Allows machine speed to be adjusted during operation
High-Power Platform	Suitable for large conveyors, pumps, fans and process machinery

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10. High-Current Capability

One of the defining characteristics of the 20G1F4E760LNDNNNNN is its high-current rating.

At 782 A, the unit is designed for substantially larger electrical loads than compact industrial VFDs.

This makes it useful for applications where the motor current is too high for smaller drive platforms.

High-current operation also means that cable sizing, cabinet connections, protective equipment, grounding, heat dissipation, and maintenance procedures need to be planned carefully.

The drive should therefore be selected based on the actual motor nameplate and load profile rather than motor horsepower alone.

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11. Controlled Acceleration and Deceleration

Large industrial machinery can contain significant rotating mass.

Starting a large motor directly across the line can result in a large electrical inrush and a sudden mechanical load.

A variable-frequency drive provides controlled acceleration so that motor speed can increase according to a programmed ramp.

This can reduce sudden mechanical stress on shafts, couplings, gearboxes, belts, conveyor structures, and connected machinery.

Controlled deceleration can provide similar benefits during stopping.

For high-inertia machinery, appropriate ramp settings can be an important part of commissioning.

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12. Industrial Automation Integration

The PowerFlex 755 platform is designed for use within industrial automation environments.

A high-power drive is rarely an isolated component in a modern production facility.

It may operate together with programmable controllers, operator interfaces, sensors, motor protection equipment, process instrumentation, and plant-level control systems.

This allows the drive to become part of a larger control strategy.

Typical information managed by the control system can include motor speed, operating status, faults, alarms, commanded speed, actual speed, and other drive-related operating conditions.

The exact communication and control arrangement depends on the selected configuration and the overall automation architecture.

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13. Installation Requirements

Because of its size and electrical capacity, the 20G1F4E760LNDNNNNN requires more installation planning than a compact VFD.

The installation location should provide sufficient floor space and adequate structural support.

The approximate cabinet weight of 700 kg should be considered when checking floor loading.

The installation route should also be evaluated before delivery.

Door widths, ceiling height, lifting points, access corridors, ramps, and transportation equipment can all affect installation logistics.

The electrical room should have sufficient ventilation to remove heat generated by the drive.

The front service area should remain accessible for inspection, troubleshooting, and maintenance.

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14. Maintenance

Preventive maintenance is important for large air-cooled drives.

Cooling fans should be inspected regularly for abnormal noise, reduced airflow, or other signs of deterioration.

Air passages should remain clean.

Dust accumulation can reduce cooling performance and increase the thermal load on the power electronics.

Electrical connections should also be checked according to the applicable maintenance program.

High-current connections require particular attention because loose or degraded connections can produce heat and affect reliability.

The cabinet should be inspected for signs of overheating, contamination, moisture, or physical damage.

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15. Five Related PowerFlex 755 Models

The following models are closely related to the 20G1F4E760LNDNNNNN within the PowerFlex 755 family. The exact electrical configuration, current rating, enclosure arrangement, and mechanical dimensions vary between catalog numbers.

Model	Product Type	Approx. Current Class	Cooling	Installation	Approx. Dimensions	Approx. Weight
20G1F4E395LNDNNNNN	PowerFlex 755 AC Packaged Drive	395 A class	Air Cooled	Floor Mount	Approx. 2477 × 800 × 800 mm	Approx. 750 kg
20G1F4E545LNDNNNNN	PowerFlex 755 AC Packaged Drive	545 A class	Air Cooled	Floor Mount	Approx. 2477 × 800 × 800 mm	Approx. 750 kg
20G1F4E760LNDNNNNN	PowerFlex 755 AC Packaged Drive	782 A	Air Cooled	Floor Mount	Approx. 2477 × 800 × 800 mm	Approx. 700 kg
20G1F4E825MNDNNNNN	PowerFlex 755 AC Drive	825 A class	Air Cooled	Floor Mount	Large cabinet configuration	Configuration dependent
20G1F4E980LNDNNNNN	PowerFlex 755 AC Packaged Drive	980 A class	Air Cooled	Floor Mount	Large cabinet configuration	Configuration dependent

These models are useful reference points when comparing different high-current PowerFlex 755 configurations.

The 395 A and 545 A models represent lower current classes, while the 825 A and 980 A models extend further into the high-power range.

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16. Five Same-Brand High-Power Models

The following models provide additional comparison points within the same high-power product family.

Model	Series	Current Class	Cooling	Product Type	Approx. Dimensions	Approx. Weight
20G1F4C650LNDNNNNN	PowerFlex 755	650 A class	Air Cooled	AC Packaged Drive	Approx. 2477 × 600 × 800 mm	Approx. 644 kg
20G1F4C770LNDNNNNN	PowerFlex 755	770 A class	Air Cooled	AC Packaged Drive	Approx. 2477 × 800 × 800 mm	Approx. 650–700 kg
20G1F4D740LNDNNNNN	PowerFlex 755	740 A class	Air Cooled	AC Packaged Drive	Approx. 2477 × 800 × 800 mm	Approx. 995 kg
20G1F4D960LNDNNNNN	PowerFlex 755	960 A class	Air Cooled	AC Packaged Drive	Approx. 2477 × 800 × 800 mm	Approx. 995 kg
20G1F4D1K0LNDNNNNN	PowerFlex 755	1000 A class	Air Cooled	AC Packaged Drive	Approx. 2477 × 800 × 800 mm	Approx. 650–750 kg

These models are suitable as technical comparison references for large industrial motor-control projects.

The actual dimensions and weights should be checked against the specific configuration before transportation or installation.

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17. Current-Class Comparison

Model	Current Rating / Class	Voltage Class	Cooling	Application Level
20G1F4E395LNDNNNNN	395 A class	Industrial AC	Air Cooled	Large Industrial Machinery
20G1F4E545LNDNNNNN	545 A class	Industrial AC	Air Cooled	Large Industrial Machinery
20G1F4C650LNDNNNNN	650 A class	Industrial AC	Air Cooled	Heavy Industrial Machinery
20G1F4E760LNDNNNNN	782 A	600 V AC	Air Cooled	Very High-Power Machinery
20G1F4E825MNDNNNNN	825 A class	Industrial AC	Air Cooled	Very High-Power Machinery
20G1F4E980LNDNNNNN	980 A class	Industrial AC	Air Cooled	Very High-Power Machinery
20G1F4D1K0LNDNNNNN	1000 A class	Industrial AC	Air Cooled	Large Process Equipment

The exact 20G1F4E760LNDNNNNN catalog entry lists 782 A and 600 V AC, so those figures should be used when describing this particular model rather than simply relying on the “760” portion of the catalog number.

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18. Typical Industries

The model is suitable for large industrial environments where high-power AC motors are part of continuous or demanding production processes.

Typical industries include:

Industry	Typical Equipment
Mining	Conveyors, crushers, pumps, ventilation systems
Cement	Fans, conveyors, mills, crushers, pumps
Steel	Rollers, fans, pumps, conveyors, cooling equipment
Material Handling	Bulk conveyors, transfer systems, feeders
Water Treatment	Large pumps and process equipment
Manufacturing	Large production machinery and process lines
Chemical Processing	Pumps, fans and process machinery
Heavy Industry	Large rotating machinery
Infrastructure	Large ventilation and pumping systems
Bulk Processing	Conveyors, feeders, fans and material-handling systems

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19. Application Selection Considerations

The motor’s rated current should be checked first.

A drive should not be selected solely from the motor’s horsepower or kilowatt value.

The motor voltage, rated current, frequency, speed, overload requirement, acceleration time, deceleration time, duty cycle, and load type all need to be considered.

The load profile is also important.

A centrifugal fan generally behaves differently from a conveyor or crusher.

A conveyor can require substantial torque during acceleration, particularly when loaded.

A crusher can experience highly variable mechanical loading.

A pump may require frequent speed changes according to flow and pressure requirements.

A compressor can have specific torque and control requirements depending on its mechanical design.

For these reasons, the drive should be matched to the complete motor and process characteristics.

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20. Physical Installation and Space Planning

The approximate dimensions of 2477 × 800 × 800 mm indicate that this is large electrical equipment.

The cabinet should be planned as part of the building and electrical-room layout rather than treated as a small component.

The approximately 700 kg equipment weight should be considered during delivery and installation planning.

A suitable lifting and positioning method should be established before the equipment arrives.

The installation location should also allow sufficient clearance for cable entry, ventilation, inspection, maintenance, and component replacement.

Where multiple large drives are installed in the same room, the heat generated by all equipment should be included in the ventilation calculation.

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21. Product Advantages in Practical Applications

The 20G1F4E760LNDNNNNN offers several practical benefits for large motor applications.

Its high-current capacity allows it to serve substantial industrial motors.

Its variable-speed operation provides greater process flexibility than fixed-speed motor operation.

Controlled acceleration can reduce sudden mechanical loading when starting heavy equipment.

Controlled deceleration can make machine stopping smoother and more predictable.

The air-cooled architecture provides a familiar method of thermal management for large industrial installations.

The packaged cabinet format also provides a structured solution for centralized drive-room installations.

For large production systems, these characteristics can make the drive suitable for applications where reliable speed control and high electrical capacity are both required.

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22. Recommended Application Areas

For a project requiring this type of drive, the following application categories are particularly relevant:

• Large mining conveyors
• Bulk-material handling systems
• Cement-plant conveyors and fans
• Large industrial pumps
• Large ventilation systems
• Process fans
• Industrial compressors
• Steel-processing machinery
• Heavy production equipment
• Large material-transfer systems
• Continuous-process machinery
• Large auxiliary plant equipment

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23. Product Summary

Category	Specification
Brand	Allen-Bradley
Series	PowerFlex 755
Model	20G1F4E760LNDNNNNN
Product Type	AC Variable Frequency Drive
Package Type	Air-Cooled 755 AC Packaged Drive
Current	782 A
Voltage	600 V AC
Cooling	Forced Air
Installation	Floor Mounted
Approx. Dimensions	2477 × 800 × 800 mm
Approx. Weight	700 kg
Weight Unit	kg
Application	High-Power Industrial Motor Control
Typical Motors	Large Industrial AC Motors
Main Industries	Mining, Cement, Steel, Manufacturing, Water, Material Handling
Main Advantages	High Current Capacity, Adjustable Speed, Controlled Acceleration, Controlled Deceleration, Air Cooling and Packaged Cabinet Construction

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24. Final Product Description

The 20G1F4E760LNDNNNNN is a high-power PowerFlex 755 AC packaged drive intended for demanding industrial motor-control applications.

With a listed 782 A current rating and 600 V AC rating, it is positioned for large motor systems where substantial electrical capacity and controlled motor operation are required.

Its air-cooled packaged construction makes it suitable for centralized industrial installations, while its variable-speed functionality allows motor operation to be adapted to different process requirements.

The model is particularly relevant to mining, cement, steel, material handling, large pumping systems, industrial fans, compressors, and other heavy-duty process machinery.

The large floor-mounted cabinet and approximately 700 kg equipment weight mean that mechanical installation, ventilation, lifting, cable routing, and maintenance access should all be considered during project planning.

Within the PowerFlex 755 family, the model also sits among other high-current configurations, allowing engineers to compare different drive capacities according to motor current and process requirements.

For final engineering selection, the motor nameplate data, actual load profile, overload requirements, environmental conditions, final cabinet configuration, and certified mechanical drawing should be checked before installation.