• Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive
  • Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive
  • Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive
  • Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive
Allen-Bradley 20G1G3E242LNDNNNNN PowerFlex 755 AC Drive 1. Product Overview The Allen-Bradley 20G1G3E242LNDNNNNN is a high-performance PowerFlex 755 AC drive designed for industrial motor-control applic……
Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive
  • Allen Bradley
  • 20G1G3E242LNDNNNNN
  • PowerFlex AC Drive
  • USA
  • 881.5 mm high × 430 mm wide × 349.6 mm deep
  • 108.9kg
  • Xiamen, China
  • New & In Stock
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Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive

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Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive

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Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive

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Allen Bradley 20G1G3E242LNDNNNNN PowerFlex AC Drive

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Allen-Bradley 20G1G3E242LNDNNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1G3E242LNDNNNNN is a high-performance PowerFlex 755 AC drive designed for industrial motor-control applications requiring reliable variable-speed operation, controlled acceleration and deceleration, flexible motor control, and integration into a larger automation system.

This model is part of the PowerFlex 755 series and is configured for 600 VAC, three-phase operation. The catalog rating E242 identifies the 242 A class, while the drive uses a Frame 7 power structure.

With a Normal Duty rating of approximately 250 hp and a Heavy Duty rating of approximately 200 hp, the 20G1G3E242LNDNNNNN is positioned in the medium-to-high power range of the PowerFlex 755 family.

It is suitable for a wide variety of industrial equipment, including pumps, fans, blowers, conveyors, compressors, mixers, material-handling systems, process machinery, and other motor-driven equipment requiring controlled variable-speed operation.

The drive is air-cooled and uses an industrial open-type enclosure arrangement. The standard Frame 7 drive dimensions are approximately 881.5 mm high × 430 mm wide × 349.6 mm deep, with an approximate weight range of 72.6–108.9 kg, depending on the specific hardware and configuration.

This physical format makes it considerably larger than compact machine drives, but much more manageable than the very large Frame 8, Frame 9, and Frame 10 PowerFlex 755 installations.


2. Brand and Product Series

Parameter Product Information
Brand Allen-Bradley
Product Family PowerFlex
Product Series PowerFlex 755
Product Type AC Variable Frequency Drive
Catalog Number 20G1G3E242LNDNNNNN
Voltage Class 600 VAC
Input Phase Three-phase
Current Class 242 A
Frame Size Frame 7
Cooling Forced air
Enclosure Style IP20 / NEMA / UL Open Type
Input Arrangement AC input with precharge
DC Terminals Not provided in the standard AC-input configuration
Normal Duty Rating Approximately 250 hp
Heavy Duty Rating Approximately 200 hp
Light Duty Rating Approximately 300 hp class
Mounting Industrial cabinet / equipment installation
Primary Function Variable-speed AC motor control
Application Range Medium and large industrial machinery

The 20G1G3E242LNDNNNNN belongs specifically to the PowerFlex 755 family.

The E voltage designation identifies the 600 VAC class, while the 242 designation corresponds to the 242 A current class.

The LND portion identifies a particular enclosure and duty/configuration arrangement within the catalog structure.

The complete catalog number should be retained when specifying, purchasing, or replacing the drive because the individual catalog characters define the overall configuration.


3. Main Technical Specifications

Parameter Specification
Model 20G1G3E242LNDNNNNN
Brand Allen-Bradley
Series PowerFlex 755
Drive Type AC variable frequency drive
Input Voltage 600 VAC class
Operating Voltage Range Approximately 500–600 VAC class
Input Phase Three-phase
Output Current 242 A
Normal Duty Motor Rating 250 hp
Heavy Duty Motor Rating 200 hp
Light Duty Motor Rating Approximately 300 hp class
Frame Frame 7
Cooling Forced air
Enclosure IP20 / NEMA / UL Open Type
Input Configuration AC input with precharge
Input Filter Configuration dependent / catalog configuration
CM Jumper Configuration dependent
Dynamic Braking Configuration dependent
Feedback Optional / configuration dependent
Communication Configuration dependent
Operator Interface Configuration dependent
Approx. Height 881.5 mm
Approx. Width 430 mm
Approx. Depth 349.6 mm
Approx. Weight 72.6–108.9 kg
Installation Industrial equipment / cabinet
Motor Control Variable-frequency AC motor control
Typical Motor Size Up to approximately 250 hp ND
Typical Applications Pumps, fans, conveyors, compressors, process machinery

The 242 A current rating is the most important electrical parameter when matching the drive to a motor.

The 250 hp Normal Duty rating provides a convenient reference for general industrial applications.

For more demanding Heavy Duty applications, the drive is associated with approximately 200 hp.

For Light Duty applications, the usable motor range can extend to approximately 300 hp class.

The actual motor should always be selected using its nameplate current and the required duty classification rather than horsepower alone.


4. Voltage and Electrical Characteristics

The 20G1G3E242LNDNNNNN is a 600 VAC-class, three-phase PowerFlex 755 drive.

This distinguishes it from the large number of PowerFlex 755 models designed around the 480 VAC class.

Electrical Parameter Specification
Model 20G1G3E242LNDNNNNN
Nominal Voltage Class 600 VAC
Typical Input Range 500–600 VAC class
Input Phase 3-phase
Output Current 242 A
Frequency 50/60 Hz class, depending on application
DC Bus Internal DC bus architecture
Input Type AC input with precharge
Motor Output Variable-frequency three-phase AC
Motor Control Variable-speed / torque control
Frame 7
Duty Rating Light / Normal / Heavy Duty
Cooling Forced air

The 600 VAC class is useful in industrial facilities where motors are designed for higher-voltage distribution systems.

Using a higher motor voltage can reduce current compared with an equivalent lower-voltage motor at the same power level, although the actual electrical design depends on the motor and system requirements.


5. Duty Ratings

The PowerFlex 755 family uses different ratings according to application duty.

For the 20G1G3E242LNDNNNNN, the approximate motor ratings are:

Duty Type Approx. Motor Rating Typical Load
Light Duty 300 hp class Variable-torque applications
Normal Duty 250 hp General industrial applications
Heavy Duty 200 hp Constant-torque and demanding overload applications

The Normal Duty 250 hp rating is particularly useful for general industrial motor applications.

For centrifugal pumps and fans, the Light Duty rating can provide a larger motor range.

For conveyors, mixers, crushers, and other equipment with high starting torque or demanding overload requirements, the Heavy Duty rating should be considered.

This distinction is important because a drive should not be selected solely from the motor horsepower printed on a specification sheet.


6. Physical Dimensions and Weight

The 20G1G3E242LNDNNNNN uses the Frame 7 PowerFlex 755 mechanical platform.

The standard open-type Frame 7 dimensions are approximately:

881.5 mm high × 430 mm wide × 349.6 mm deep

The approximate weight is in the range of 72.6 to 108.9 kg, depending on the specific configuration and hardware installed.

Physical Parameter Specification
Model 20G1G3E242LNDNNNNN
Frame Frame 7
Height 881.5 mm
Width 430 mm
Depth 349.6 mm
Basic Weight Range 72.6–108.9 kg
Height in Inches Approximately 34.7 in
Width in Inches Approximately 16.9 in
Depth in Inches Approximately 13.8 in
Approx. Weight Range 160–240 lb
Installation Industrial cabinet / equipment installation
Cooling Forced air
Enclosure Class IP20 / NEMA / UL Open Type

The weight range is worth noting because the actual weight can vary according to the selected configuration.

A drive with additional hardware or options can weigh more than the basic power structure.

For installation planning, the final mechanical configuration should be checked rather than assuming that every 242 A Frame 7 unit has exactly the same shipping weight.


7. Product Introduction

The PowerFlex 755 series is designed for applications where motor speed, torque, acceleration, deceleration, feedback, communication and process integration all need to be managed as part of an industrial control system.

The 20G1G3E242LNDNNNNN represents a 600 VAC Frame 7 configuration within this product family.

It provides considerably more motor-control capacity than compact variable-frequency drives intended for small machinery.

At the same time, its Frame 7 construction is significantly smaller and easier to install than the largest PowerFlex 755 Frame 8, Frame 9 and Frame 10 configurations.

This makes it a useful middle point for industrial installations.

The drive can be used for motors that require variable speed rather than fixed-speed operation.

For example, a pump may need to operate at different speeds according to process demand.

A fan may need to reduce speed during periods of lower airflow demand.

A conveyor may require a controlled acceleration ramp to prevent sudden mechanical loading.

A compressor may require controlled starting and operating-speed regulation.

In each case, the drive becomes part of the machine’s operating system rather than simply functioning as a basic motor starter.


8. Main Applications

8.1 Industrial Pumps

The 20G1G3E242LNDNNNNN is well suited to large pump applications.

Pumps frequently do not need to operate at maximum speed continuously.

A variable-frequency drive can allow the motor speed to follow the process requirement.

Typical applications include water circulation, industrial fluid transfer, cooling systems, process pumps, and other large pumping systems.

Controlled acceleration can also reduce sudden stress on pump shafts, couplings and connected piping.


8.2 Large Fans

Large fans and blowers can benefit from variable-speed operation.

The motor does not necessarily need to run at full speed when the required airflow is lower.

The drive can provide a controlled speed reference to the motor and can be integrated with the overall process-control system.

This is useful for ventilation, exhaust, cooling, process air and industrial airflow systems.


8.3 Conveyors

Conveyors often require controlled starting and stopping.

A heavily loaded conveyor can have substantial inertia.

Starting the motor too aggressively can place stress on belts, gearboxes, couplings and shafts.

The PowerFlex 755 can provide a programmed acceleration profile that allows the conveyor to reach operating speed more gradually.

The 20G1G3E242LNDNNNNN is particularly suitable for medium-to-large conveyor applications where the motor falls within its current and duty rating.


8.4 Compressors

Industrial compressors can require controlled acceleration and stable operating speed.

The drive can provide variable-speed operation and allow the motor to respond to process requirements.

Compressor selection should consider the compressor’s starting torque, motor current, acceleration time and overload characteristics.


8.5 Mixers and Agitators

Mixers and agitators can have varying mechanical loads depending on the material being processed.

A variable-frequency drive allows the motor speed to be adjusted according to the process.

For applications involving high starting torque or repeated overload conditions, the Heavy Duty rating should be considered.


8.6 Material-Handling Machinery

Material-handling systems often require controlled motor movement.

The drive can be used for conveyors, transfer systems and other motor-driven equipment where speed control and controlled acceleration are important.

The PowerFlex 755 architecture can also support integration with a larger automation system.


8.7 Process Machinery

Process machinery may require several operating speeds during different stages of production.

The 20G1G3E242LNDNNNNN can provide variable-speed motor operation and can be incorporated into a larger machine-control architecture.

Typical applications can include rotating process machinery, production equipment, mixers and other industrial machines.


9. Product Advantages

9.1 600 VAC High-Voltage Class

One of the key characteristics of the model is its 600 VAC rating.

This makes it suitable for industrial motor systems designed around the higher-voltage class.

It is therefore different from the many PowerFlex 755 configurations designed for 480 VAC systems.


9.2 242 A Current Capability

The 242 A current class provides substantial capacity for industrial motors.

It places the model well above compact machine drives and makes it appropriate for larger motor systems.


9.3 250 hp Normal Duty Capability

The approximately 250 hp Normal Duty rating provides a practical capacity for many industrial machines.

This allows the drive to be used with motors substantially larger than those normally associated with compact variable-frequency drives.


9.4 Flexible Duty Ratings

The Light Duty, Normal Duty and Heavy Duty rating structure allows the same basic drive family to be applied to different load characteristics.

This is particularly useful during engineering because the machine can be evaluated according to its actual torque requirements.


9.5 Controlled Motor Starting

Large motors can create considerable mechanical and electrical stress during starting.

The drive allows acceleration to be controlled.

Instead of immediately applying full operating frequency, the motor can be brought up to speed according to a programmed acceleration profile.


9.6 Controlled Stopping

Controlled deceleration can also be useful.

For equipment with large rotating inertia, an appropriate deceleration profile can reduce sudden mechanical loading.

The actual stopping strategy should be selected according to the machine’s mechanical characteristics and braking requirements.


9.7 Flexible Control Architecture

The PowerFlex 755 platform supports multiple configuration possibilities.

Depending on the final configuration, the drive can incorporate feedback, communication, operator-interface and other application-related functions.

This makes it suitable for systems where the drive needs to communicate with a central control architecture.


9.8 Suitable Physical Size for Industrial Installations

Frame 7 provides a useful balance between electrical capacity and physical size.

At approximately 881.5 × 430 × 349.6 mm, the drive is large enough for substantial industrial motor applications while remaining considerably smaller than the floor-standing Frame 8 and Frame 9 cabinet arrangements.


10. Five Related PowerFlex 755 Models

The following models are closely related 600 VAC PowerFlex 755 configurations.

Model Voltage Frame Current Class Light Duty Normal Duty Heavy Duty Approx. Dimensions Approx. Weight
20G1G3E192LNDNNNNN 600 VAC 7 192 A class 250 hp 200 hp 150 hp 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E242LNDNNNNN 600 VAC 7 242 A 300 hp 250 hp 200 hp 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E295LNDNNNNN 600 VAC 7 295 A class 350 hp 300 hp 250 hp 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E355LNDNNNNN 600 VAC 7 355 A class 400 hp 350 hp 300 hp 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E395LNDNNNNN 600 VAC 7 395 A class 450 hp 400 hp 350 hp 881.5 × 430 × 349.6 mm ~72.6–108.9 kg

These models form a logical progression around the E242 configuration.

The E192 provides a lower current and motor-power range, while the E295, E355 and E395 provide progressively greater capacity.

This makes them useful when designing a family of machines with different motor sizes while retaining the same general PowerFlex 755 platform.


11. Five Additional Related High-Power Models

For applications requiring substantially more motor power, the 600 VAC PowerFlex 755 range extends into larger frame sizes.

Model Voltage Frame Current Class Light Duty Normal Duty Heavy Duty Approx. Dimensions Approx. Weight
20G1G3E435LNDNNNNN 600 VAC 8 435 A class 500 hp 450 hp 400 hp 2453 × 600 × 600/800 mm ~623 kg
20G1G3E545LNDNNNNN 600 VAC 8 545 A class 600 hp 550 hp 450 hp 2453 × 600 × 600/800 mm ~623 kg
20G1G3E595LNDNNNNN 600 VAC 9 595 A class 700 hp 600 hp 550 hp 2453 × 1200 × 600/800 mm ~1246 kg
20G1G3E690LNDNNNNN 600 VAC 9 690 A class 800 hp 700 hp 600 hp 2453 × 1200 × 600/800 mm ~1246 kg
20G1G3E760LNDNNNNN 600 VAC 9 760 A class 900 hp 800 hp 700 hp 2453 × 1200 × 600/800 mm ~1246 kg

These larger models are appropriate when the motor requirement exceeds the practical range of the E242 Frame 7 configuration.

The change in frame size is important.

Moving from Frame 7 to Frame 8 or Frame 9 results in a substantial increase in cabinet dimensions and equipment weight.

Therefore, a higher-power replacement should be evaluated not only electrically but also mechanically.


12. Five Representative Same-Brand Models

The following models represent other widely used products from the same brand and provide a comparison across different power ranges.

Model Series Voltage Class Current Class Approx. Power Range Approx. Dimensions Approx. Weight Typical Application
25B-D010N114 PowerFlex 525 480 VAC 10 A class Approx. 4–7.5 kW Approx. 180 × 100 × 200 mm ~2–3 kg Small pumps, fans and conveyors
25B-D017N114 PowerFlex 525 480 VAC 17 A class Approx. 7.5–11 kW Approx. 180 × 100 × 200 mm ~3 kg General industrial machinery
25B-D024N114 PowerFlex 525 480 VAC 24 A class Approx. 11–15 kW Approx. 180 × 100 × 200 mm ~3–4 kg Medium motor applications
25A-D017N114 PowerFlex 523 480 VAC 17 A class Approx. 7.5–11 kW Approx. 180 × 100 × 200 mm ~2–3 kg Compact machine applications
20F1ANC030JA0NNNNN PowerFlex 753 480 VAC 30 A class Approx. 15–22 kW Approx. 300 × 200 × 250 mm ~15–20 kg Industrial machinery and process equipment

These products cover considerably smaller motor applications than the 20G1G3E242LNDNNNNN.

The smaller PowerFlex models are generally more suitable for compact machinery, while the PowerFlex 753 and 755 families are intended for larger industrial equipment.

The E242 model is particularly suited to applications where the motor power and operating voltage require a 600 VAC-class industrial drive.


13. Frame 7 Physical Characteristics

Frame 7 is an important part of the 20G1G3E242LNDNNNNN configuration.

Item Frame 7 Specification
Model 20G1G3E242LNDNNNNN
Height 881.5 mm
Width 430 mm
Depth 349.6 mm
Weight 72.6–108.9 kg
Enclosure IP20 / NEMA / UL Open Type
Cooling Forced air
Installation Industrial cabinet / equipment installation
Voltage Class 600 VAC
Current Class 242 A

The Frame 7 mechanical platform is substantially more compact than the large floor-standing Frame 8 and Frame 9 cabinet configurations.

This can be an important consideration for machine builders and plant engineers who need significant motor capacity but have limited cabinet or electrical-room space.


14. Application Selection by Load Type

Application Load Characteristic Recommended Consideration
Centrifugal pump Variable torque Light Duty / Normal Duty
Large fan Variable torque Light Duty
Industrial blower Variable torque Light Duty / Normal Duty
Conveyor Constant torque Normal Duty / Heavy Duty
Mixer High starting torque Heavy Duty
Agitator Variable or high torque Heavy Duty consideration
Compressor Process dependent Normal / Heavy Duty
Material handling Constant torque Heavy Duty consideration
Process machinery Application dependent Duty must be evaluated
Rotating equipment Application dependent Motor current and overload determine sizing

This table is intended as a practical starting point.

The actual drive rating should be determined from the motor’s nameplate current, application torque, acceleration requirements, overload requirements and operating cycle.


15. Installation Considerations

The 20G1G3E242LNDNNNNN is a substantial industrial drive and should be installed as part of a properly engineered electrical system.

The first consideration is cabinet space.

The Frame 7 drive is approximately 881.5 mm high, 430 mm wide and 349.6 mm deep.

Adequate space should be provided around the drive for cable routing, cooling airflow, service access and maintenance.

The second consideration is weight.

Depending on the configuration, the drive can weigh approximately 72.6–108.9 kg.

This means that appropriate lifting and handling methods should be used during installation.

The third consideration is airflow.

Because the drive uses forced-air cooling, the surrounding cabinet and electrical room should provide sufficient airflow.

Airflow paths should not be blocked by nearby components or wiring.


16. Electrical Installation

The 242 A-class output requires properly sized power conductors and protective equipment.

Incoming power wiring should be selected according to the actual current rating, installation method and applicable electrical requirements.

Motor cables should also be properly selected.

The cable length, conductor arrangement, grounding and shielding practices can affect the behavior of a variable-frequency motor system.

The grounding arrangement should be designed as part of the complete drive and motor installation.

Control wiring and communication wiring should also be routed appropriately to reduce electrical interference.


17. Motor Selection

The motor should be selected using its actual electrical and mechanical requirements.

The most important electrical value is the motor’s rated current.

The motor voltage must also be compatible with the 600 VAC-class drive system.

The motor horsepower provides useful reference information, but it should not be used as the only selection criterion.

For example, a 250 hp fan motor and a 250 hp conveyor motor may have very different overload requirements.

The conveyor may require substantially greater torque during acceleration.

The fan may have a variable-torque load characteristic.

Therefore, the Light Duty, Normal Duty or Heavy Duty rating should be selected based on the actual machine.


18. Communication and Control

The PowerFlex 755 architecture is designed to integrate into larger industrial automation systems.

Depending on the selected configuration, the drive can exchange operating commands, speed references, status information and diagnostic information with the control system.

This is useful in applications where the motor needs to operate according to process conditions.

For example, a pump drive can receive a speed reference based on process demand.

A conveyor drive can receive start, stop and speed commands from the machine-control system.

A process machine can exchange status and fault information with the main controller.

The exact communication capability depends on the configured options.


19. Feedback and Advanced Control

Some applications require more precise motor regulation than basic open-loop control.

The PowerFlex 755 platform supports feedback-related configurations through suitable hardware and options.

This can be useful when motor speed must remain stable despite changes in mechanical load.

Feedback can be particularly valuable in applications involving large rotating equipment, material handling, and other systems where accurate speed regulation is important.

The exact feedback configuration should be confirmed according to the complete catalog number.


20. Dynamic Braking

Dynamic braking requirements depend heavily on the mechanical characteristics of the application.

A high-inertia machine may require a different stopping strategy from a simple pump or fan.

The complete drive configuration determines whether the required braking hardware is included.

For applications requiring frequent or rapid deceleration, the braking requirements should be evaluated during the initial engineering stage rather than after the drive has already been selected.


21. Maintenance Considerations

The 20G1G3E242LNDNNNNN should be included in a regular industrial maintenance program.

Forced-air cooling components should be inspected and kept free from excessive dust and contamination.

Air passages should remain clear.

Electrical connections should be inspected according to the applicable maintenance procedures.

The surrounding cabinet should also be kept clean enough to maintain proper cooling.

Because the drive operates at high voltage and can handle substantial current, maintenance should be performed only after appropriate electrical isolation and according to the required safety procedures.


22. Typical Industrial Industries

Industry Typical Application
Water Treatment Large pumps
Industrial Utilities Pumps, fans and blowers
Manufacturing Production machinery
Process Industry Mixers and process drives
Material Handling Conveyors and transfer equipment
Building Infrastructure Large fans and pumps
Chemical Processing Pumps, mixers and rotating machinery
General Manufacturing Variable-speed motor systems
Industrial Cooling Pumps and cooling fans
Heavy Machinery Large motor-driven equipment

23. Advantages Compared with Smaller Drives

The 20G1G3E242LNDNNNNN provides several capabilities that make it more appropriate for larger industrial systems than a compact drive.

First, its 242 A output capability allows it to control significantly larger motors.

Second, the 600 VAC class allows it to be used in industrial systems designed around higher motor voltages.

Third, the PowerFlex 755 architecture provides more flexibility for complex applications.

Fourth, the Frame 7 mechanical platform provides substantial power without requiring the very large floor-standing cabinets associated with the highest-capacity configurations.

Finally, the availability of related models makes it possible to maintain a consistent drive family across multiple motor sizes.


24. Model Comparison Within the 600 VAC Frame 7 Range

Model Current Class Light Duty Normal Duty Heavy Duty Frame Dimensions Weight
20G1G3E192LNDNNNNN 192 A 250 hp 200 hp 150 hp 7 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E242LNDNNNNN 242 A 300 hp 250 hp 200 hp 7 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E295LNDNNNNN 295 A 350 hp 300 hp 250 hp 7 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E355LNDNNNNN 355 A 400 hp 350 hp 300 hp 7 881.5 × 430 × 349.6 mm ~72.6–108.9 kg
20G1G3E395LNDNNNNN 395 A 450 hp 400 hp 350 hp 7 881.5 × 430 × 349.6 mm ~72.6–108.9 kg

This group provides a useful selection range for 600 VAC industrial motor applications.

The E242 configuration is positioned near the middle of this group.

If the motor requirement is below approximately 242 A, the E192 can be considered.

If the motor requires more current, the E295, E355 or E395 configurations can provide additional capacity.


25. Overall Product Summary

The Allen-Bradley 20G1G3E242LNDNNNNN is a PowerFlex 755 AC variable frequency drive designed for medium-to-large industrial motor-control applications.

It belongs to the PowerFlex 755 series and uses a 600 VAC, three-phase, Frame 7 architecture.

Its primary current rating is 242 A, with approximately 300 hp Light Duty, 250 hp Normal Duty and 200 hp Heavy Duty capability.

The standard Frame 7 open-type construction is approximately 881.5 mm high × 430 mm wide × 349.6 mm deep, with an approximate configuration-dependent weight of 72.6–108.9 kg.

The drive is particularly suitable for large pumps, fans, blowers, conveyors, compressors, mixers, agitators, process machinery and material-handling equipment.

Its major advantages include its 600 VAC voltage class, 242 A current capacity, 250 hp Normal Duty capability, flexible duty ratings, controlled acceleration and deceleration, forced-air cooling, and configurable industrial control architecture.

The Frame 7 form factor also provides a useful balance between high motor capacity and installation size.

For a pump or fan application, the Light Duty rating can provide a larger usable motor range.

For a general industrial application, the Normal Duty rating provides the approximately 250 hp reference point.

For a demanding conveyor, mixer or other constant-torque machine, the Heavy Duty rating of approximately 200 hp should be considered.

The most important selection criteria remain the motor nameplate current, motor voltage, load torque, acceleration requirements, overload characteristics, operating cycle and required drive options.

The 20G1G3E242LNDNNNNN is therefore best viewed as a high-capacity 600 VAC industrial PowerFlex 755 drive that bridges the gap between smaller industrial drives and the much larger high-power Frame 8 and Frame 9 configurations.



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