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Allen-Bradley 20G1G3D430LNDNNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1G3D430LNDNNNNN is a high-power, air-cooled AC variable frequency drive from the PowerFlex 755 family. It is designed for large industrial motors where reliable speed control, controlled acceleration and deceleration, high output current, and integration with an industrial automation system are required.

This model is designed for a 480 VAC, three-phase power system and has a 430 A normal-duty output rating. At its normal-duty rating, it corresponds to approximately 350 HP, or approximately 261 kW.

For heavier-duty applications, the same 430 A drive class is associated with approximately 300 HP heavy-duty operation. This distinction is important when selecting a drive because a motor should not be selected based on horsepower alone. Motor nameplate current, overload requirements, torque characteristics, duty cycle, acceleration requirements, and operating environment all need to be considered.

The drive uses a forced-air cooling system and a large floor-mounted cabinet arrangement. Its physical construction is intended for industrial installations where the connected motor and mechanical equipment require considerably more power than can be supplied by compact wall-mounted drives.

Typical applications include large conveyors, pumps, fans, blowers, compressors, mixers, material-handling systems, process machinery, mills, rollers, and other high-power rotating equipment.

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2. Brand and Product Series

Category	Information
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 755
Broader Series	PowerFlex 750-Series
Product Type	High-power AC variable frequency drive
Product Configuration	Air-cooled packaged drive
Model	20G1G3D430LNDNNNNN
Voltage Class	480 VAC
Phase	Three-phase
Normal-Duty Rating	430 A
Normal-Duty Motor Rating	350 HP
Heavy-Duty Motor Rating	Approximately 300 HP
Cooling Method	Forced air
Mounting	Floor-mounted
Frame	Frame 8
Enclosure Class	IP21 / UL Type 1 class
Typical Application	Large industrial motor control

The PowerFlex 755 family is intended for applications where a higher level of power, control flexibility, and system integration is required.

The 20G1G3D430LNDNNNNN is therefore positioned well above compact variable frequency drive products and is intended for large industrial motor installations.

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3. Product Identification

The complete catalog number is:

20G1G3D430LNDNNNNN

The individual portions of the catalog number identify the product family and configuration.

Catalog Number Section	General Meaning	Description
20G	Product family	PowerFlex 755 family
1	Configuration identifier	High-power drive configuration
G	Product configuration	Packaged-drive configuration
3	Enclosure/mounting configuration	IP21 / UL Type 1 floor-mounted configuration
D	Voltage code	480 VAC, three-phase
430	Current rating	430 A normal-duty class
L	Filtering configuration	No EMC filtering configuration
N	Option position	Factory configuration position
D	Configuration position	Factory configuration identifier
NNNNN	Additional option positions	Additional factory configuration positions

The complete catalog number is important when identifying a replacement.

A drive with the same voltage and current rating can still have different enclosure, interface, braking, filtering, or other factory configuration details.

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4. Main Technical Parameters

Parameter	Specification
Model	20G1G3D430LNDNNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Drive Type	AC Variable Frequency Drive
Cooling	Forced air
Input Voltage	480 VAC
Input Phase	3 phase
Nominal Input Frequency	60 Hz
Normal-Duty Output Current	430 A
Normal-Duty Motor Rating	350 HP
Normal-Duty Power	Approximately 261 kW
Heavy-Duty Motor Rating	Approximately 300 HP
Heavy-Duty Power	Approximately 224 kW
Frame Size	Frame 8
Enclosure	IP21 / UL Type 1 class
Mounting	Floor mount
Control Architecture	PowerFlex 755 platform
Motor Control	Variable-frequency AC motor control
Cooling System	Forced-air cooling
Input Type	AC input with precharge
DC Bus	Integrated
Dynamic Braking	Configuration dependent
Regenerative Operation	Application/configuration dependent
Motor Feedback	Available with compatible option
Communication	Available with compatible communication option
I/O Expansion	Available through compatible option modules
Approximate Height	2453 mm
Approximate Width	600 mm
Approximate Depth	600–800 mm depending on configuration
Approximate Weight	623 kg
Weight Unit	kg

The 430 A rating is the key electrical characteristic of this model.

The exact motor selection should be based on the motor nameplate current and required duty rather than simply using the 350 HP figure as a universal motor-size limit.

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5. Electrical Rating Details

The 430 A rating places this model in a high-power industrial drive category.

For normal-duty operation, the model is associated with approximately 350 HP.

For heavy-duty applications with higher overload requirements, the associated motor rating is approximately 300 HP.

This distinction allows the same drive class to be applied to different load characteristics.

Rating Category	Current Class	Approx. Motor Rating	Approx. Power
Normal Duty	430 A	350 HP	261 kW
Heavy Duty	430 A class	300 HP	224 kW

A variable-torque application such as a large centrifugal fan can have a very different current and torque requirement from a constant-torque conveyor or mixer.

For this reason, the duty classification should always be considered during drive selection.

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6. Electrical Characteristics

Electrical Parameter	Specification
Model	20G1G3D430LNDNNNNN
Input Voltage	480 VAC
Input Phase	Three-phase
Input Frequency	60 Hz nominal
Output Voltage	Variable according to motor-control requirements
Normal-Duty Output Current	430 A
Normal-Duty Horsepower	350 HP
Heavy-Duty Horsepower	Approximately 300 HP
Approximate Normal-Duty Power	261 kW
Approximate Heavy-Duty Power	224 kW
Output Frequency	Programmable
Speed Reference	Programmable
Acceleration	Programmable
Deceleration	Programmable
Current Limit	Programmable
Motor Overload Protection	Available
Motor Protection	Available
Fault Monitoring	Integrated
DC Bus	Integrated
Input Precharge	Yes
Motor Feedback	Optional/configuration dependent
Dynamic Braking	Optional/configuration dependent
Regenerative Capability	Application dependent
Communication	Optional/configuration dependent
Control I/O	Expandable/configuration dependent

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7. Mechanical Parameters

The 20G1G3D430LNDNNNNN is a large floor-mounted drive rather than a compact wall-mounted inverter.

The applicable Frame 8 cabinet dimensions are approximately 2453 mm high, 600 mm wide, and approximately 600 or 800 mm deep, depending on the particular cabinet arrangement.

The approximate equipment weight is 623 kg.

Mechanical Parameter	Specification
Model	20G1G3D430LNDNNNNN
Frame	Frame 8
Mounting	Floor mounted
Height	Approx. 2453 mm
Width	Approx. 600 mm
Depth	Approx. 600–800 mm
Approx. Dimensions	Approx. 2453 × 600 × 600–800 mm
Approx. Weight	623 kg
Weight	623 kg
Weight Unit	kg
Enclosure	IP21 / UL Type 1 class
Cooling	Forced air
Installation Position	Upright
Cabinet Type	Industrial floor-mounted cabinet
Service Access	Required
Lifting Requirement	Mechanical lifting equipment normally required

The 623 kg value should be regarded as an approximate reference value for the applicable Frame 8 cabinet arrangement.

Final shipping weight can increase when additional cabinets, disconnect equipment, reactors, filters, wiring compartments, or other accessories are included.

For an actual project, the dimensional drawing for the complete catalog configuration should be used for final cabinet layout and transportation planning.

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8. Product Introduction

The 20G1G3D430LNDNNNNN is designed to control large three-phase AC motors in industrial environments.

A conventional motor starter generally provides only basic start and stop functionality.

A variable frequency drive provides much greater control.

By controlling the electrical frequency and voltage supplied to the motor, the drive can regulate motor speed and provide a controlled transition between stopped and operating conditions.

This becomes particularly valuable with large motors.

A 350 HP-class motor contains considerable mechanical and electrical energy. Starting the motor abruptly can place significant stress on the power system, motor, coupling, gearbox, shaft, belt, pump, fan, or other connected equipment.

The drive allows the acceleration process to be programmed and controlled.

The same principle applies to stopping.

Instead of simply disconnecting the motor from the power supply, the drive can use a programmed deceleration profile, subject to the application’s braking requirements.

This makes the PowerFlex 755 platform suitable for large machines where smooth and predictable motor operation is important.

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9. Main Applications

9.1 Large Conveyor Systems

The 20G1G3D430LNDNNNNN is well suited to large conveyor systems.

Conveyors used in bulk material handling, mining, aggregate processing, production lines, and large material-transfer systems can require high motor power.

Controlled acceleration can reduce the mechanical shock that occurs when a large conveyor starts.

This can be especially useful for systems with long belts, large amounts of material, or high-inertia mechanical components.

The drive can also provide adjustable conveyor speed.

This allows the production process to operate at different rates without requiring a fixed motor speed.

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9.2 Large Pumps

Large pumps are another important application.

The drive can adjust pump motor speed according to the process requirement.

Potential applications include:

• Industrial water systems
• Cooling-water systems
• Process-fluid circulation
• Wastewater systems
• Large transfer pumps
• Industrial pumping stations
• Process production equipment

For centrifugal pumps, changing motor speed can provide an efficient way to change flow and pressure.

The actual energy benefit depends on the pump design and operating profile.

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9.3 Large Fans

Large industrial fans can require hundreds of horsepower.

The drive can provide adjustable speed control so that airflow can be matched more closely to actual demand.

Typical applications include:

• Industrial ventilation
• Furnace systems
• Process exhaust
• Combustion-air systems
• Cooling systems
• Large air-handling systems

The drive can also provide controlled startup rather than applying full motor voltage instantaneously.

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9.4 Industrial Blowers

Industrial blowers may require continuous operation at different speeds.

The drive can be used to adjust blower speed according to the required process airflow.

This is useful in manufacturing, processing, ventilation, combustion, drying, and other industrial applications.

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9.5 Compressors

Large compressors can require controlled acceleration because the mechanical load can be substantial.

The drive can provide controlled starting and adjustable operating speed where the compressor design supports variable-frequency operation.

Compressor-specific requirements should be reviewed before final selection.

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9.6 Mixers and Agitators

Large mixers can have significant torque requirements, particularly during startup.

A programmable drive can provide a controlled acceleration profile and allow operating speed to be adjusted according to the process.

This makes the product relevant to large mixing and processing systems.

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9.7 Material-Handling Equipment

Large material-handling equipment can use variable-speed control for smoother movement.

Potential applications include:

• Feed systems
• Large transfer machines
• Bulk-material equipment
• Conveyors
• Production-line machinery
• Heavy processing systems

For hoisting and lifting applications, braking, feedback, and safety requirements need additional engineering consideration.

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9.8 Mills and Rollers

Large mills and roller systems can require high motor power and stable speed control.

The PowerFlex 755 platform can provide a suitable control architecture for applications where motor speed and torque need to be coordinated with the production process.

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10. Main Product Advantages

10.1 High 430 A Current Capacity

The most obvious characteristic of the model is its 430 A output-current class.

This allows it to control motors considerably larger than those handled by compact variable frequency drives.

The high-current architecture makes it suitable for large industrial equipment.

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10.2 Approximately 350 HP Normal-Duty Capacity

The normal-duty rating corresponds to approximately 350 HP.

This places the model in a class intended for large industrial machines.

It is particularly useful where a smaller inverter would not have sufficient continuous current capacity.

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10.3 Controlled Motor Starting

Large motors can create high starting current when connected directly to an AC power system.

Variable-frequency starting can gradually increase motor speed.

This can provide a smoother startup and can reduce mechanical shock.

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10.4 Adjustable Motor Speed

The drive allows motor speed to be changed according to the process requirement.

This can be useful when a machine does not need to operate at full speed all the time.

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10.5 Programmable Acceleration

The acceleration time can be configured according to the connected machine.

A high-inertia load can therefore be treated differently from a low-inertia load.

This flexibility is important in large industrial machinery.

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10.6 Programmable Deceleration

The drive can also control the deceleration process.

The appropriate deceleration method depends on the load, inertia, braking requirements, and system configuration.

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10.7 Flexible Motor Control

The PowerFlex 755 platform provides more than basic V/Hz operation.

Depending on the application and configuration, vector-oriented control and feedback options can be used where enhanced motor-control performance is required.

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10.8 Industrial Automation Integration

The drive can be integrated into a larger automation system.

A control system can exchange information with the drive, including:

• Start/stop commands
• Speed references
• Operating status
• Fault information
• Alarm information
• Current data
• Speed data
• Other drive parameters

This makes the drive suitable for centralized plant control.

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10.9 Expandable Architecture

The PowerFlex 755 platform provides options for communication, feedback, I/O, and other application-specific requirements.

This is useful when a machine needs more than basic speed control.

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10.10 Large Industrial Cabinet Design

The floor-mounted cabinet construction provides a practical way to package high-power electrical equipment.

The cabinet format also provides a more serviceable arrangement for large power components and cooling equipment.

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11. Cooling and Thermal Management

The 20G1G3D430LNDNNNNN uses forced-air cooling.

High-power semiconductor devices generate heat during operation, and adequate airflow is therefore important.

The installation area should have sufficient ventilation and should not obstruct the cooling airflow.

Important environmental factors include:

• Ambient temperature
• Altitude
• Dust
• Humidity
• Air quality
• Corrosive gases
• Cabinet clearance
• Ventilation

A drive operating in a clean, temperature-controlled electrical room will have different thermal conditions from a drive installed in a hot, dusty production area.

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12. Installation Considerations

Because the drive is approximately 623 kg, installation requires careful planning.

The floor or supporting structure must be able to support the equipment.

The equipment should be transported using appropriate lifting equipment.

The cabinet must remain upright during handling and installation.

Adequate service clearance should be provided around the equipment.

Installation Item	Consideration
Floor loading	Must support approximately 623 kg or greater final installed weight
Cabinet orientation	Upright
Cooling	Maintain required airflow
Service access	Provide sufficient front/service space
Electrical connection	Use appropriately rated conductors and protection
Grounding	Proper industrial grounding required
Motor cable	Select according to current, distance, insulation, and installation method
Ambient temperature	Must remain within applicable operating limits
Dust	Excessive dust should be controlled
Humidity	Avoid unsuitable condensation conditions
Lifting	Use suitable mechanical lifting equipment
Cabinet clearance	Follow the applicable installation requirements

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13. Maintenance Considerations

Large air-cooled drives should be maintained according to an appropriate preventive-maintenance program.

The cooling system is particularly important.

Cooling fans should be inspected for abnormal noise, vibration, and reduced airflow.

Air passages should remain clear.

Electrical terminals should be inspected for signs of overheating or loose connections.

The drive’s fault history can also provide useful information about recurring operating problems.

Maintenance Area	Recommended Check
Cooling fans	Operation, noise, vibration
Air passages	Clean and unobstructed
Cabinet ventilation	Adequate airflow
Power connections	Tightness and thermal condition
Grounding	Electrical integrity
Motor connections	Cable and terminal condition
Control wiring	Secure connections
Cabinet interior	Dust accumulation
Fault history	Recurring fault investigation
Environmental conditions	Temperature and humidity
External equipment	Reactors, filters, disconnects where applicable

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14. Recommended Same-Series or Related Models

The following models are useful neighboring selections around the 430 A rating.

They are suitable for comparing different motor-power requirements within the same high-power drive family.

Model	Voltage	Current Class	Normal-Duty Motor Rating	Heavy-Duty Motor Rating	Frame	Cooling	Approx. Dimensions	Approx. Weight
20G1G3D302LNDNNNNN	480 VAC	302 A	250 HP	200 HP class	8	Forced air	Approx. 2453 × 600 × 600–800 mm	Approx. 623 kg
20G1G3D361LNDNNNNN	480 VAC	361 A	300 HP	250 HP class	8	Forced air	Approx. 2453 × 600 × 600–800 mm	Approx. 623 kg
20G1G3D430LNDNNNNN	480 VAC	430 A	350 HP	300 HP	8	Forced air	Approx. 2453 × 600 × 600–800 mm	Approx. 623 kg
20G1G3D505LNDNNNNN	480 VAC	505 A	400 HP	350 HP class	8	Forced air	Approx. Frame 8 cabinet	Approx. 623 kg class
20G1G3D617LNDNNNNN	480 VAC	617 A	500 HP	400 HP class	8	Forced air	Approx. Frame 8 cabinet	Approx. 623 kg class

These models provide a useful progression around the 430 A drive.

The D302 and D361 versions are suitable when the motor current requirement is lower.

The D505 and D617 versions provide additional current capacity for larger motors.

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15. Larger Related Models

For applications requiring considerably more power, larger PowerFlex 755 configurations are available.

Model	Voltage	Current Class	Approx. Normal-Duty Motor Rating	Frame	Cooling	Approx. Dimensions	Approx. Weight
20G1G3D710LNDNNNNN	480 VAC	710 A	600 HP class	8	Forced air	Large cabinet	Large cabinet class
20G1G3D740LNDNNNNN	480 VAC	740 A	650 HP class	8	Forced air	Large cabinet	Large cabinet class
20G1G3D800LNDNNNNN	480 VAC	800 A	700 HP class	9	Forced air	Approx. 2453 × 1200 × 600–800 mm	Approx. 1246 kg class
20G1G3D960LNDNNNNN	480 VAC	960 A	800 HP class	9	Forced air	Approx. 2453 × 1200 × 600–800 mm	Approx. 1246 kg class
20G1G3D1K0LNDNNNNN	480 VAC	1045 A class	900 HP class	9	Forced air	Approx. 2453 × 1200 × 600–800 mm	Approx. 1246 kg class

The larger models should be selected according to actual motor current and duty requirements.

The physical size increases significantly as the current rating increases, so electrical-room layout and transportation become increasingly important.

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16. Five Representative Same-Brand Models

The following five models are useful representative products from the same brand’s PowerFlex range.

They are presented as practical comparison models rather than as a formal ranking of popularity.

Model	Product Series	Voltage Class	Approx. Current	Approx. Motor Rating	Typical Application	Approx. Dimensions	Approx. Weight
25B-D010N114	PowerFlex 525	480 VAC class	10 A	Approx. 4–5.5 kW	Small pumps, fans, conveyors	Approx. 180 × 100 × 200 mm	Approx. 2–3 kg
25B-D017N114	PowerFlex 525	480 VAC class	17 A	Approx. 7.5–11 kW	General industrial machines	Approx. 180 × 100 × 200 mm	Approx. 3 kg
25B-D024N114	PowerFlex 525	480 VAC class	24 A	Approx. 11–15 kW	Pumps, fans, conveyors	Approx. 180 × 100 × 200 mm	Approx. 3–4 kg
25A-D017N114	PowerFlex 523	480 VAC class	17 A	Approx. 7.5–11 kW	Compact machine control	Approx. 180 × 100 × 200 mm	Approx. 2–3 kg
20F1ANC030JA0NNNNN	PowerFlex 753	480 VAC class	30 A class	Approx. 15–22 kW class	Advanced industrial machinery	Approx. 300 × 200 × 250 mm class	Approx. 15–20 kg

These five models are significantly smaller than the 20G1G3D430LNDNNNNN.

The PowerFlex 523 and PowerFlex 525 products are more suitable for compact machinery and smaller motors.

The PowerFlex 753 provides a higher level of flexibility for medium-size industrial machinery.

The PowerFlex 755 represented by the D430 model is intended for much larger motors and high-power industrial installations.

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17. Comparison of the Main Models

Model	Approx. Current	Approx. Normal-Duty HP	Relative Application Scale	Approx. Weight
25B-D010N114	10 A	4–5.5 kW class	Small machine	2–3 kg
25B-D017N114	17 A	7.5–11 kW class	Small/medium machine	Approx. 3 kg
25B-D024N114	24 A	11–15 kW class	Medium machine	3–4 kg
20F1ANC030JA0NNNNN	30 A class	15–22 kW class	Medium industrial machine	15–20 kg
20G1G3D430LNDNNNNN	430 A	350 HP	Large industrial machinery	Approx. 623 kg

This comparison shows how significantly the D430 model differs from compact drive products.

The D430 is not simply a larger version of a small machine inverter.

It is designed as a large industrial drive system, with a floor-mounted cabinet, high-current power section, forced-air cooling, and a much larger installation footprint.

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18. Energy and Process-Control Advantages

Variable-speed control can provide substantial process benefits when a motor does not need to operate continuously at full speed.

For example, a large fan may require different airflow levels throughout the day.

A pump may need different flow rates depending on production demand.

A conveyor may need to operate at different speeds according to material throughput.

The drive can change motor speed to match these process requirements.

The actual energy-saving potential depends on the specific machine and load profile.

It should therefore be calculated from real operating conditions rather than assumed simply because a variable frequency drive is installed.

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19. Control and Automation Advantages

The PowerFlex 755 platform is suitable for integration with industrial automation systems.

The drive can become part of a coordinated machine-control system.

For example, a production controller can issue a speed command to the drive.

The drive can then provide motor status, speed, current, alarms, and fault information back to the control system.

This allows operators and control engineers to monitor the motor system without treating the drive as a completely independent device.

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20. Suitable Industrial Applications

Industry / Area	Example Equipment
Water treatment	Large pumps
Wastewater	Pumping systems
Manufacturing	Conveyors and processing machines
Mining	Conveyors, mills, material handling
Cement and aggregate	Crushers, conveyors, fans
Chemical processing	Mixers, pumps, process machinery
Metals	Rollers and processing equipment
Power generation	Pumps, fans, auxiliary systems
HVAC/process ventilation	Large fans and blowers
Material handling	Conveyors and transfer systems
General industrial	Large AC motors

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21. Selection Checklist

Before using the 20G1G3D430LNDNNNNN in a new installation, the following parameters should be reviewed.

Selection Item	Recommended Check
Motor voltage	Confirm 480 VAC compatibility
Motor current	Confirm motor nameplate current
Motor power	Approximately 350 HP ND class
Duty	Determine normal-duty or heavy-duty
Load type	Variable torque or constant torque
Overload	Confirm required overload level
Acceleration	Determine required acceleration time
Deceleration	Determine stopping requirements
Braking	Determine whether dynamic braking is required
Regeneration	Determine whether regenerative operation is necessary
Feedback	Determine whether encoder feedback is required
Communication	Determine control-network requirements
Environment	Temperature, altitude, humidity, dust
Harmonics	Evaluate power-system requirements
Cabinet space	Confirm approximately 2453 mm height
Floor loading	Allow for approximately 623 kg class
Cooling	Provide appropriate airflow
Motor cable	Select suitable cable and installation method
Service clearance	Provide adequate maintenance access

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22. Product Advantages at a Glance

Feature	Practical Benefit
430 A output rating	Supports large motors
350 HP normal-duty class	Suitable for high-power machinery
300 HP heavy-duty class	Supports higher-overload applications within the applicable rating
480 VAC three-phase	Common industrial power class
Forced-air cooling	Suitable for high-power electronics
Floor-mounted cabinet	Practical for large industrial installations
Adjustable speed	Improves process flexibility
Controlled acceleration	Reduces startup shock
Controlled deceleration	Provides smoother stopping
Programmable control	Allows application-specific setup
Feedback options	Supports enhanced speed-control applications
Communication options	Integrates with automation systems
Expandable I/O	Supports additional control requirements
High-current power section	Suitable for large industrial motors
Industrial enclosure	Designed for industrial installation environments

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23. Overall Product Summary

The Allen-Bradley 20G1G3D430LNDNNNNN is a high-power PowerFlex 755 AC variable frequency drive designed for large industrial motor applications.

Its main electrical rating is 430 A at 480 VAC, three-phase, with an approximate 350 HP / 261 kW normal-duty rating.

For applications requiring a heavier overload profile, the associated heavy-duty motor rating is approximately 300 HP / 224 kW.

The product uses forced-air cooling and a large Frame 8 floor-mounted cabinet configuration.

A representative mechanical envelope is approximately 2453 mm high × 600 mm wide × 600–800 mm deep, with an approximate equipment weight of 623 kg.

The large physical size is directly related to the high current and power level of the drive.

The product is particularly suitable for large conveyors, industrial pumps, fans, blowers, compressors, mixers, material-handling systems, mills, rollers, and other high-power rotating machinery.

Its main advantages include high output-current capacity, adjustable motor speed, controlled acceleration and deceleration, flexible motor-control functions, automation-system integration, expandable architecture, and suitability for large industrial installations.

The neighboring D302, D361, D505, and D617 configurations provide useful alternatives when the required motor current is lower or higher than the 430 A class.

For larger installations, the D710, D740, D800, D960, and D1K0 classes provide higher-current alternatives within the same general high-power family.

For smaller applications, compact PowerFlex products such as the 523 and 525 families can provide a much smaller physical footprint and lower current capacity.

When selecting the 20G1G3D430LNDNNNNN, the motor nameplate current should be treated as one of the primary selection parameters. Horsepower should be used together with current, duty cycle, torque profile, overload requirements, braking requirements, and environmental conditions.

The complete catalog number should also be retained when ordering a replacement because the configuration suffix can identify important differences between otherwise similar drives.

In practical terms, the 20G1G3D430LNDNNNNN can be described as a 480 VAC, three-phase, 430 A, 350 HP normal-duty, air-cooled PowerFlex 755 high-power AC drive for large industrial motor-control applications.

Its combination of high current capacity, large-frame construction, programmable motor control, and industrial automation capability makes it appropriate for large-scale machinery where compact drive products are no longer adequate.