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20G11LF710JN2NNNNN PowerFlex 755 AC Drive
Product Introduction, Technical Parameters, Applications, Advantages and Related Model Recommendations
1. Product Overview
The 20G11LF710JN2NNNNN is a high-power AC variable frequency drive from the PowerFlex 755 series.
It is designed for large three-phase motor applications where high output current, high power capacity, variable-speed operation and industrial automation integration are required.
The unit is rated for a 690 VAC three-phase electrical system and provides an output current rating of 710 A.
The product is configured as an air-cooled, packaged AC drive with an 800 mm deep MCC-style mechanical configuration. It uses a Frame 9 power structure and is intended for large industrial installations.
The model includes embedded EtherNet/IP communication, making it suitable for integration with PLC-based automation systems, operator interfaces, supervisory systems and other industrial control equipment.
The drive is equipped with AC input with precharge and DC terminals, integrated filtering and a CM jumper installed configuration.
Another important characteristic of this particular model is the enhanced LCD, full-numeric, handheld/local HIM configuration. This provides a local interface for setup, monitoring, parameter adjustment and drive operation.
The drive is rated at:
- 800 kW Light Duty
- 710 kW Normal Duty
- 590 kW Heavy Duty
This combination of high current, high voltage and high power makes the model suitable for large pumps, fans, blowers, conveyors, process machinery, mining equipment, water-treatment systems and other large industrial motor applications.
2. Brand and Product Series
| Item | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | PowerFlex 750-Series |
| Product Series | PowerFlex 755 |
| Product Type | High-Power AC Variable Frequency Drive |
| Model | 20G11LF710JN2NNNNN |
| Configuration | Packaged AC Drive |
| Cooling | Forced Air / Air Cooled |
| Voltage Class | 690 VAC |
| Phase | Three Phase |
| Output Current | 710 A |
| Frame | Frame 9 |
| Mechanical Configuration | 800 mm Deep MCC Style |
| Enclosure | Type 1 / IP20 |
| Communication | Embedded EtherNet/IP |
| Local Interface | Enhanced LCD, Full Numeric, Handheld/Local HIM |
| Dynamic Braking | None |
| Filtering | Filtered |
| CM Jumper | Installed |
3. Main Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 20G11LF710JN2NNNNN |
| Series | PowerFlex 755 |
| Drive Type | AC Variable Frequency Drive |
| Input Voltage | 690 VAC |
| Input Phase | 3 Phase |
| Output Current | 710 A |
| Light-Duty Rating | 800 kW |
| Normal-Duty Rating | 710 kW |
| Heavy-Duty Rating | 590 kW |
| Frame Size | Frame 9 |
| Cooling Method | Forced Air |
| Input Type | AC Input with Precharge |
| DC Terminals | Included |
| EMC / Filtering | Filtered |
| CM Jumper | Installed |
| Dynamic Braking | None |
| Communication | Embedded EtherNet/IP |
| Local HIM | Enhanced LCD, Full Numeric, Handheld/Local |
| Enclosure | Type 1 / IP20 |
| Mechanical Style | 800 mm Deep MCC Style |
| Depth / Size | 800 mm class |
| Width | Configuration dependent |
| Height | Configuration dependent |
| Overall Dimensions | Configuration dependent |
| Weight | Configuration dependent |
| Weight (kg) | Final packaged-drive weight should be confirmed from the applicable mechanical configuration |
| Installation | Industrial Cabinet / MCC |
| Motor Type | Three-Phase AC Motor |
| Application | Large Industrial Motor Control |
4. Product Model Interpretation
The catalog number 20G11LF710JN2NNNNN identifies a highly configured PowerFlex 755 packaged drive.
The important characteristics represented by the model include the PowerFlex 755 family, high-current 690 VAC configuration, packaged mechanical construction, air cooling, filtering, communication capability and local operator interface.
For engineering and purchasing purposes, the complete catalog number should be retained.
A small change in the suffix can represent a meaningful change in the supplied configuration.
Therefore, models that appear very similar should not automatically be treated as electrically or mechanically interchangeable.
5. 690 VAC Three-Phase Design
The drive is designed for a 690 VAC three-phase system.
690 VAC is commonly associated with large industrial motors.
When motor power becomes very large, electrical current becomes an important consideration in the design of:
- Motor cables
- Busbars
- Switchgear
- Disconnects
- Protection equipment
- Motor terminals
- Cabinet ventilation
- Power distribution
The 690 VAC configuration allows large motor power levels to be handled within a high-power industrial electrical architecture.
6. 710 A Output Current
The 710 A output current rating is one of the most important characteristics of this model.
This places the drive in a high-power industrial category.
A 710 A drive is intended for substantially larger motors than compact variable frequency drives.
The actual motor selection should always be based on the motor nameplate current and the required duty rather than using motor horsepower or kilowatt value alone.
The following factors should be checked:
| Motor Parameter | Importance |
|---|---|
| Rated Voltage | Critical |
| Full-Load Current | Critical |
| Motor Power | Important |
| Motor Frequency | Important |
| Rated Speed | Important |
| Starting Torque | Critical |
| Overload Requirement | Critical |
| Load Type | Critical |
| Operating Speed Range | Important |
| Duty Cycle | Important |
| Motor Insulation | Important |
7. Power Ratings
The model provides three principal duty ratings.
| Duty | Power Rating |
|---|---|
| Light Duty | 800 kW |
| Normal Duty | 710 kW |
| Heavy Duty | 590 kW |
These ratings allow the same drive platform to be evaluated for different types of industrial loads.
A centrifugal pump or fan normally has different overload characteristics from a crusher, hoist or heavy conveyor.
The correct duty rating must therefore be selected according to the actual application.
8. Light-Duty Rating — 800 kW
The 800 kW Light-Duty rating is suitable for applications with relatively moderate overload requirements.
Potential applications include:
- Large centrifugal pumps
- Large cooling fans
- Industrial ventilation systems
- Large blowers
- Water circulation systems
- Cooling-water systems
- Process-air systems
- Large exhaust fans
These applications often benefit from variable-speed control because the equipment does not necessarily need to operate at maximum speed continuously.
9. Normal-Duty Rating — 710 kW
The 710 kW Normal-Duty rating provides a high-power operating class for general industrial applications.
Potential applications include:
- Large conveyors
- Industrial pumps
- Large fans
- Blowers
- Material-handling equipment
- Process machinery
- Large rotating machines
The motor full-load current and required overload capability should be checked before final selection.
10. Heavy-Duty Rating — 590 kW
The 590 kW Heavy-Duty rating is intended for applications where the motor and drive can experience more demanding load conditions.
Examples may include:
- Heavy conveyors
- Crushers
- High-inertia machinery
- Mining equipment
- Heavy material-handling systems
- Large mixers
- Difficult-starting machinery
For heavy-duty applications, the motor current and mechanical load profile are particularly important.
11. Forced-Air Cooling
The drive uses a forced-air cooling system.
A high-power AC drive generates considerable heat during operation.
The internal power-conversion components produce heat as electrical energy is converted and controlled.
The forced-air cooling system removes heat from the power section and helps maintain suitable operating temperatures.
For this reason, installation planning should provide adequate:
- Air inlet space
- Air outlet space
- Cabinet ventilation
- Cooling-fan access
- Maintenance clearance
- Dust control
- Temperature management
A blocked ventilation path can cause increased thermal stress.
12. Mechanical Configuration
The product is configured as an 800 mm deep MCC-style packaged drive.
The mechanical size is an important consideration when preparing an electrical room, MCC lineup or drive cabinet.
| Mechanical Parameter | Specification |
|---|---|
| Frame | Frame 9 |
| Mechanical Style | 800 mm Deep MCC Style |
| Size / Depth Class | 800 mm |
| Width | Configuration dependent |
| Height | Configuration dependent |
| Enclosure | Type 1 / IP20 |
| Cooling | Forced Air |
| Mounting | Cabinet / MCC |
| Overall Dimensions | Configuration dependent |
| Weight (kg) | Configuration dependent |
The 800 mm dimension should be included in preliminary mechanical planning.
The final width and height should be taken from the applicable mechanical drawing for the exact supplied configuration.
13. Dimensions
For this model, the confirmed mechanical size is in the 800 mm deep MCC-style class.
However, it is not advisable to assign an arbitrary width and height to the complete packaged unit.
The overall envelope can depend on the exact packaged configuration, power arrangement and mechanical assembly.
Therefore:
| Dimension | Value |
|---|---|
| Depth / Mechanical Size | 800 mm class |
| Width | Configuration dependent |
| Height | Configuration dependent |
| Overall Envelope | Configuration dependent |
| Installation Space | Must allow ventilation and maintenance access |
| Cable Entry Space | Must be evaluated during installation |
| Weight (kg) | Configuration dependent |
For cabinet fabrication, transportation and installation, the exact dimensional drawing should be used.
14. Weight
The weight of a high-power packaged drive should be treated separately from the weight of a basic power module.
The 20G11LF710JN2NNNNN is a packaged drive configuration, so the total supplied mass can depend on the complete mechanical arrangement.
The safe engineering approach is therefore to distinguish:
| Weight Item | Specification |
|---|---|
| Power Section Weight | Configuration dependent |
| Packaged Drive Weight | Configuration dependent |
| Cabinet / MCC Assembly Weight | Configuration dependent |
| Shipping Weight | Configuration dependent |
| Installation Weight | Configuration dependent |
| Weight (kg) | Confirm from final mechanical configuration |
For lifting, transport and floor-loading calculations, the final supplied assembly weight should always be used rather than an estimated value.
15. Enclosure
The drive is configured for Type 1 / IP20 protection.
This type of enclosure is intended for suitable indoor industrial installations.
The installation should be evaluated for:
- Dust
- Moisture
- Condensation
- Oil mist
- Corrosive substances
- Conductive contamination
- Ambient temperature
- Humidity
- Airflow
The enclosure classification should not be interpreted as permission for direct exposure to outdoor weather or uncontrolled environmental conditions.
16. Embedded EtherNet/IP
The model includes embedded EtherNet/IP communication.
This is particularly useful for modern industrial automation.
The drive can exchange operational information with a control system.
Typical information can include:
| Data | Function |
|---|---|
| Start Command | Start the motor |
| Stop Command | Stop the motor |
| Speed Reference | Set motor speed |
| Actual Speed | Monitor speed |
| Output Frequency | Monitor drive operation |
| Output Current | Monitor motor load |
| Drive Status | Monitor operating state |
| Warning Status | Identify warnings |
| Fault Status | Identify faults |
| Fault Reset | Reset applicable faults |
| Diagnostic Information | Troubleshooting |
This makes the drive suitable for centralized control systems where manual operation is not the primary control method.
17. Enhanced LCD Full-Numeric HIM
An important difference between this model and some other configurations is the inclusion of an:
Enhanced LCD, Full Numeric, Handheld/Local HIM
This provides a local human-machine interface for drive operation and configuration.
The local interface can be useful for:
- Parameter setup
- Commissioning
- Local operation
- Status monitoring
- Fault inspection
- Diagnostic work
- Maintenance
- Troubleshooting
For large industrial equipment, having a local interface can make commissioning and maintenance more convenient.
18. AC Input With Precharge and DC Terminals
The model uses an AC input with precharge and DC terminals configuration.
The precharge function is important in high-power drive systems because the DC-link circuit contains significant energy-storage components.
The precharge system helps control the initial charging process.
The DC terminals also provide flexibility for suitable power-system architectures.
This configuration is particularly relevant to large industrial drive installations.
19. Filtering
The model is configured with filtering.
Filtering helps manage high-frequency electrical noise generated by power-electronic switching.
This can be beneficial when the drive is installed near:
- PLCs
- Sensors
- Instrumentation
- Communication equipment
- Measurement systems
- Industrial Ethernet networks
- Control panels
Correct grounding and cable routing remain necessary even when filtering is included.
20. CM Jumper Installed
The model has the CM jumper installed configuration.
This relates to the common-mode capacitor and grounding arrangement.
The final installation should consider:
- Grounding system
- Motor cable type
- Motor insulation
- Cable length
- Electrical distribution arrangement
- EMC requirements
- Site grounding practice
This is especially important for large 690 VAC motor systems.
21. Dynamic Braking
The model is configured with no dynamic braking.
This means a dynamic braking resistor is not included in the standard configuration.
Applications requiring rapid deceleration of high-inertia loads should receive additional braking analysis.
Potentially demanding applications include:
- High-inertia conveyors
- Large rotating machines
- Certain mining machines
- Large material-handling equipment
- Machines requiring rapid stopping
The required braking method should be determined from the load inertia, stopping time, speed and operating cycle.
22. Product Applications
22.1 Large Pump Systems
The 20G11LF710JN2NNNNN is well suited to appropriately sized large pump systems.
Potential applications include:
- Raw-water pumps
- Process-water pumps
- Cooling-water pumps
- Wastewater pumps
- Mine dewatering pumps
- Water-transfer pumps
- Industrial circulation pumps
- Large irrigation pumps
Variable-speed control allows pump speed to be adjusted according to actual process requirements.
23. Large Fan Systems
Large fans can require hundreds of kilowatts of motor power.
Potential applications include:
- Industrial ventilation
- Mine ventilation
- Cooling systems
- Furnace ventilation
- Process-air systems
- Exhaust systems
- Large air-handling equipment
The drive can change motor speed according to airflow requirements.
24. Large Blower Systems
Large blowers are frequently used in industrial processes where airflow requirements vary.
Potential applications include:
- Wastewater aeration
- Combustion air
- Process air
- Industrial ventilation
- Material processing
- Air handling
Variable-speed control can help match blower output to the actual process demand.
25. Conveyor Systems
Large conveyors can have significant inertia and mechanical stress during starting.
A variable frequency drive provides controlled acceleration and deceleration.
Potential benefits include:
- Reduced belt stress
- Reduced gearbox stress
- Reduced coupling shock
- Controlled starting
- Adjustable conveyor speed
- Improved material flow
- Better synchronization
26. Mining Applications
Large mining systems often require high-power motors.
Potential applications include:
- Mining conveyors
- Crushers
- Dewatering pumps
- Mine ventilation
- Material-handling systems
- Processing equipment
The high-current capability of this drive makes it appropriate for properly matched large mining motors.
27. Cement and Aggregate Applications
Cement and aggregate facilities contain many high-power machines.
Potential applications include:
- Crushers
- Large conveyors
- Process fans
- Blowers
- Pumps
- Material-handling equipment
- Processing machinery
Variable-speed operation can improve process flexibility and reduce unnecessary full-speed operation.
28. Water and Wastewater Applications
The drive can be applied to large water and wastewater equipment such as:
- Pump stations
- Water-transfer systems
- Wastewater pumps
- Aeration blowers
- Process circulation systems
- Large ventilation systems
The speed can be adjusted to meet changing flow or pressure requirements.
29. Advantages of the Product
29.1 High Current Capacity
The 710 A output rating makes this drive suitable for large industrial motors.
This is one of the principal reasons to select this product rather than a compact drive.
29.2 High Power Capacity
The 800 kW Light-Duty rating provides substantial power-handling capability.
This allows the drive to control motors used in large industrial processes.
29.3 690 VAC Operation
The 690 VAC rating makes the drive suitable for high-power motor systems designed around this voltage level.
29.4 Multiple Duty Ratings
The three duty classes provide flexibility when evaluating different industrial loads.
| Duty | Rating |
|---|---|
| Light Duty | 800 kW |
| Normal Duty | 710 kW |
| Heavy Duty | 590 kW |
This allows the engineer to select the operating class according to the actual machine load.
29.5 Variable-Speed Operation
Variable-speed control provides more flexibility than fixed-speed motor operation.
Potential benefits include:
- Adjustable process output
- Better flow control
- Better pressure control
- Adjustable airflow
- Adjustable conveyor speed
- Controlled acceleration
- Controlled deceleration
29.6 Controlled Motor Starting
Large motors can create considerable mechanical and electrical stress during starting.
Controlled acceleration allows the motor speed to increase gradually.
This can reduce mechanical shock to:
- Couplings
- Gearboxes
- Shafts
- Belts
- Pumps
- Fans
- Conveyors
29.7 EtherNet/IP Integration
Embedded EtherNet/IP simplifies integration into an industrial automation architecture.
This can reduce the need for separate communication hardware for common drive-control functions.
29.8 Local HIM
The enhanced LCD full-numeric handheld/local HIM provides convenient access to the drive.
This is especially useful during:
- Installation
- Commissioning
- Maintenance
- Troubleshooting
- Parameter adjustment
29.9 High-Power Industrial Construction
The Frame 9 architecture is designed for large industrial motor applications.
It is intended for installations where a compact machine drive is insufficient.
30. Energy-Saving Potential
Variable-speed drives can offer significant energy-saving potential in applications where the load varies.
This is particularly relevant to centrifugal pumps and fans.
For example, if a pump does not need to operate at full flow continuously, reducing motor speed can allow the pump to operate closer to the actual process requirement.
Potential advantages include:
- Reduced unnecessary motor speed
- Reduced throttling losses
- Better process control
- Lower mechanical stress
- Improved system efficiency
Actual energy savings depend on the complete machine and operating conditions.
31. Pump Application Advantages
For pump systems, the drive can provide:
- Adjustable flow
- Adjustable pressure
- Controlled starting
- Controlled stopping
- Reduced hydraulic shock
- Better process response
- Potential energy savings
- Remote monitoring
- Automatic process control
32. Fan Application Advantages
For fan systems, the drive can provide:
- Adjustable airflow
- Smooth startup
- Smooth stopping
- Reduced mechanical stress
- Better ventilation control
- Process-based speed regulation
- Potential energy savings
33. Conveyor Application Advantages
For conveyor systems, the drive can provide:
- Controlled acceleration
- Adjustable speed
- Reduced belt stress
- Reduced gearbox stress
- Reduced coupling shock
- Improved synchronization
- Better material handling
34. Mining Application Advantages
For suitable mining applications, the drive can provide:
- High-current motor control
- Variable-speed operation
- Controlled starting
- Network communication
- Remote monitoring
- Fault information
- Process coordination
The machine’s torque and overload requirements should always be evaluated before selecting the drive.
35. Water Treatment Advantages
For water and wastewater equipment, the drive can provide:
- Flow adjustment
- Pressure adjustment
- Pump speed control
- Controlled startup
- Reduced hydraulic stress
- Remote monitoring
- Automated operation
- Potential energy savings
36. Process Machinery Advantages
For industrial process machinery, the drive can provide:
- Adjustable production speed
- Controlled acceleration
- Controlled deceleration
- Better machine synchronization
- Centralized control
- Local maintenance interface
- Fault monitoring
- Network integration
37. Installation Requirements
| Item | Requirement |
|---|---|
| Supply Voltage | 690 VAC |
| Supply Phase | 3 Phase |
| Motor Voltage | Must match motor requirements |
| Motor Current | Must be compatible with drive rating |
| Motor Power | Must match selected duty rating |
| Mechanical Depth | 800 mm class |
| Width | Confirm exact configuration |
| Height | Confirm exact configuration |
| Cooling | Adequate forced-air ventilation |
| Grounding | Required |
| Motor Cable | Correctly sized |
| Control Cable | Properly routed |
| Network Cable | Properly installed |
| Ambient Temperature | Must be evaluated |
| Dust | Must be evaluated |
| Moisture | Must be evaluated |
| Maintenance Clearance | Required |
| Weight (kg) | Confirm final supplied configuration |
38. Motor Selection Considerations
When matching a motor to the 20G11LF710JN2NNNNN, the following information should be collected from the motor nameplate.
| Motor Specification | Recommended Check |
|---|---|
| Rated Voltage | Verify against drive |
| Rated Current | Must be checked carefully |
| Rated Power | Compare with duty rating |
| Rated Frequency | Verify |
| Rated Speed | Verify |
| Power Factor | Record |
| Efficiency | Record |
| Starting Torque | Evaluate |
| Full-Load Torque | Evaluate |
| Overload Requirement | Evaluate |
| Minimum Speed | Evaluate |
| Maximum Speed | Evaluate |
| Motor Insulation | Evaluate |
| Motor Cable Length | Evaluate |
39. Environmental Requirements
The installation environment should be evaluated before commissioning.
| Environmental Factor | Design Consideration |
|---|---|
| Temperature | Must remain within applicable limits |
| Humidity | Avoid condensation |
| Dust | Protect cooling passages |
| Moisture | Avoid direct exposure |
| Corrosive Gas | Evaluate suitability |
| Altitude | Consider thermal effects |
| Ventilation | Essential |
| Cabinet Space | Adequate clearance required |
| Maintenance Access | Required |
| Cable Routing | Proper separation recommended |
40. Maintenance
Because this is a high-power forced-air drive, maintenance should focus strongly on thermal management and electrical connections.
Important inspection items include:
- Cooling fans
- Air passages
- Heat-producing components
- Electrical terminals
- Grounding connections
- Motor cables
- Control wiring
- Network connections
- Cabinet ventilation
- Dust accumulation
- Signs of overheating
- Fault history
- Abnormal noise
- Abnormal vibration
Good maintenance practices can help improve long-term equipment reliability.
41. Five Same-Series or Closely Related Models
The following models are useful for comparison within the high-power PowerFlex 755 family.
They are related products rather than guaranteed direct substitutes.
| Model | Series | Voltage Class | Current Class | Duty / Power Class | Cooling | Mechanical Size | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 20G11LF650JN0NNNNN | PowerFlex 755 | 690 VAC | 650 A | High Power | Air Cooled | 800 mm class | Configuration dependent |
| 20G11LF710JN0NNNNN | PowerFlex 755 | 690 VAC | 710 A | 800 kW LD / 710 kW ND / 590 kW HD | Air Cooled | 800 mm class | Configuration dependent |
| 20G11LF710JN2NNNNN | PowerFlex 755 | 690 VAC | 710 A | 800 kW LD / 710 kW ND / 590 kW HD | Air Cooled | 800 mm class | Configuration dependent |
| 20G11LF765JN0NNNNN | PowerFlex 755 | 690 VAC | 765 A class | Higher Power | Air Cooled | 800 mm class | Configuration dependent |
| 20G11LF795JN0NNNNN | PowerFlex 755 | 690 VAC | 795 A class | Higher Power | Air Cooled | 800 mm class | Configuration dependent |
The suffix differences should be checked carefully because local operator interface, enclosure, filtering, braking and other options may differ.
42. 20G11LF650JN0NNNNN
This model belongs to the same PowerFlex 755 high-power family and has a lower current class than the subject 710 A model.
| Parameter | 20G11LF650JN0NNNNN |
|---|---|
| Series | PowerFlex 755 |
| Voltage | 690 VAC |
| Current | 650 A class |
| Drive Type | High-Power AC Drive |
| Cooling | Air Cooled |
| Mechanical Style | 800 mm Deep MCC Style class |
| Enclosure | Type 1 / IP20 class |
| Communication | Configuration dependent |
| Applications | Pumps, Fans, Conveyors, Process Machinery |
| Dimensions | Configuration dependent |
| Weight (kg) | Configuration dependent |
43. 20G11LF710JN0NNNNN
This is a closely related 710 A configuration.
The primary difference is the catalog configuration represented by the suffix.
| Parameter | 20G11LF710JN0NNNNN |
|---|---|
| Series | PowerFlex 755 |
| Voltage | 690 VAC |
| Current | 710 A |
| Light Duty | 800 kW |
| Normal Duty | 710 kW |
| Heavy Duty | 590 kW |
| Cooling | Forced Air |
| Frame | Frame 9 |
| Mechanical Size | 800 mm class |
| Filtering | Configuration dependent |
| Local HIM | Configuration dependent |
| Dynamic Braking | Configuration dependent |
| Dimensions | Configuration dependent |
| Weight (kg) | Configuration dependent |
44. 20G11LF710JN2NNNNN
This is the subject model.
| Parameter | 20G11LF710JN2NNNNN |
|---|---|
| Product Series | PowerFlex 755 |
| Voltage | 690 VAC |
| Phase | 3 Phase |
| Current | 710 A |
| Light Duty | 800 kW |
| Normal Duty | 710 kW |
| Heavy Duty | 590 kW |
| Cooling | Forced Air |
| Frame | Frame 9 |
| Input | AC with Precharge and DC Terminals |
| Filtering | Filtered |
| CM Jumper | Installed |
| Dynamic Braking | None |
| Communication | Embedded EtherNet/IP |
| HIM | Enhanced LCD, Full Numeric, Handheld/Local |
| Enclosure | Type 1 / IP20 |
| Mechanical Size | 800 mm |
| Width | Configuration dependent |
| Height | Configuration dependent |
| Weight (kg) | Configuration dependent |
45. 20G11LF765JN0NNNNN
This model provides a higher current level within the same high-power family.
| Parameter | 20G11LF765JN0NNNNN |
|---|---|
| Series | PowerFlex 755 |
| Voltage | 690 VAC |
| Current Class | 765 A |
| Drive Type | High-Power AC Drive |
| Cooling | Air Cooled |
| Mechanical Style | 800 mm Deep MCC Style class |
| Frame | High-Power Frame |
| Typical Applications | Large Pumps |
| Typical Applications | Large Fans |
| Typical Applications | Conveyors |
| Typical Applications | Process Machinery |
| Dimensions | Configuration dependent |
| Weight (kg) | Configuration dependent |
46. 20G11LF795JN0NNNNN
The 20G11LF795JN0NNNNN is another higher-current model in the same high-power series.
It may be considered where additional current capacity is required.
| Parameter | 20G11LF795JN0NNNNN |
|---|---|
| Series | PowerFlex 755 |
| Voltage | 690 VAC |
| Current Class | 795 A |
| Drive Type | High-Power AC Drive |
| Cooling | Air Cooled |
| Mechanical Style | 800 mm Deep MCC Style class |
| Typical Applications | Large Industrial Motors |
| Typical Applications | Pumps |
| Typical Applications | Fans |
| Typical Applications | Heavy Conveyors |
| Dimensions | Configuration dependent |
| Weight (kg) | Configuration dependent |
47. Five Popular Models From the Same Brand
The following models represent commonly used products from the same brand family but cover different power ranges.
They are not direct replacements for the 710 A / 690 VAC drive.
| Model | Series | Voltage Class | Current Class | Typical Application | Dimensions | Weight (kg) |
|---|---|---|---|---|---|---|
| 25B-D010N104 | PowerFlex 525 | 480 VAC class | 10 A class | Small Pumps / Fans | Frame dependent | Configuration dependent |
| 25B-D017N104 | PowerFlex 525 | 480 VAC class | 17 A class | General Machinery | Frame dependent | Configuration dependent |
| 25B-D027N114 | PowerFlex 525 | 480 VAC class | 27 A class | Pumps / Fans / Conveyors | Frame dependent | Configuration dependent |
| 20F11ND077AA0NNNNN | PowerFlex 753 | 480 VAC class | 77 A class | Industrial Machinery | Frame dependent | Configuration dependent |
| 20G11LF710JN2NNNNN | PowerFlex 755 | 690 VAC | 710 A | Large Industrial Motors | 800 mm class | Configuration dependent |
48. 25B-D010N104
The 25B-D010N104 belongs to the PowerFlex 525 compact drive family.
It is intended for substantially smaller motors.
| Parameter | 25B-D010N104 |
|---|---|
| Series | PowerFlex 525 |
| Drive Type | Compact AC Drive |
| Voltage Class | 480 VAC class |
| Current Class | 10 A class |
| Typical Applications | Pumps |
| Typical Applications | Fans |
| Typical Applications | Small Conveyors |
| Installation | Compact Cabinet / Machine |
| Dimensions | Frame dependent |
| Weight (kg) | Configuration dependent |
49. 25B-D017N104
The 25B-D017N104 provides a higher current level within the PowerFlex 525 family.
| Parameter | 25B-D017N104 |
|---|---|
| Series | PowerFlex 525 |
| Drive Type | Compact AC Drive |
| Voltage Class | 480 VAC class |
| Current Class | 17 A class |
| Typical Applications | Pumps |
| Typical Applications | Fans |
| Typical Applications | Conveyors |
| Typical Applications | General Machinery |
| Dimensions | Frame dependent |
| Weight (kg) | Configuration dependent |
50. 25B-D027N114
The 25B-D027N114 is another PowerFlex 525 model for smaller industrial machinery.
| Parameter | 25B-D027N114 |
|---|---|
| Series | PowerFlex 525 |
| Drive Type | Compact Variable Frequency Drive |
| Voltage Class | 480 VAC class |
| Current Class | 27 A class |
| Applications | Pumps |
| Applications | Fans |
| Applications | Conveyors |
| Applications | General Machinery |
| Dimensions | Frame dependent |
| Weight (kg) | Configuration dependent |
51. 20F11ND077AA0NNNNN
The 20F11ND077AA0NNNNN belongs to the PowerFlex 753 industrial drive family.
It is intended for a considerably lower current range than the subject model.
| Parameter | 20F11ND077AA0NNNNN |
|---|---|
| Series | PowerFlex 753 |
| Drive Type | Industrial AC Drive |
| Voltage Class | 480 VAC class |
| Current Class | 77 A class |
| Typical Applications | Pumps |
| Typical Applications | Fans |
| Typical Applications | Conveyors |
| Typical Applications | Process Machinery |
| Installation | Industrial Cabinet |
| Dimensions | Frame dependent |
| Weight (kg) | Configuration dependent |
52. Comparison of Related PowerFlex 755 Models
| Model | Voltage | Current | Primary Position | Cooling | Mechanical Size | Weight (kg) |
|---|---|---|---|---|---|---|
| 20G11LF650JN0NNNNN | 690 VAC | 650 A class | Lower current alternative | Air | 800 mm class | Configuration dependent |
| 20G11LF710JN0NNNNN | 690 VAC | 710 A | Related 710 A configuration | Air | 800 mm class | Configuration dependent |
| 20G11LF710JN2NNNNN | 690 VAC | 710 A | Subject model | Air | 800 mm | Configuration dependent |
| 20G11LF765JN0NNNNN | 690 VAC | 765 A | Higher current | Air | 800 mm class | Configuration dependent |
| 20G11LF795JN0NNNNN | 690 VAC | 795 A | Higher current | Air | 800 mm class | Configuration dependent |
53. Main Parameter Comparison
| Parameter | 20G11LF710JN2NNNNN |
|---|---|
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Category | High-Power AC Drive |
| Input Voltage | 690 VAC |
| Phase | 3 Phase |
| Rated Current | 710 A |
| Light Duty | 800 kW |
| Normal Duty | 710 kW |
| Heavy Duty | 590 kW |
| Cooling | Forced Air |
| Frame | Frame 9 |
| Mechanical Size | 800 mm |
| Enclosure | Type 1 / IP20 |
| Input Type | AC Input with Precharge |
| DC Terminals | Yes |
| Filtering | Filtered |
| CM Jumper | Installed |
| Dynamic Braking | None |
| Communication | Embedded EtherNet/IP |
| Local Operator Interface | Enhanced LCD Full-Numeric Handheld/Local HIM |
| Width | Configuration dependent |
| Height | Configuration dependent |
| Depth / Size | 800 mm class |
| Weight (kg) | Configuration dependent |
| Installation | Industrial Cabinet / MCC |
| Cooling Airflow | Required |
| Typical Motor | Large Three-Phase AC Motor |
54. Product Advantages at a Glance
| Advantage | Description |
|---|---|
| High Current | 710 A |
| High Power | 800 kW Light Duty |
| High Voltage | 690 VAC |
| Multiple Duty Ratings | LD / ND / HD |
| Variable Speed | Yes |
| Controlled Acceleration | Yes |
| Controlled Deceleration | Yes |
| Industrial Communication | Embedded EtherNet/IP |
| Local Operation | Enhanced LCD Full-Numeric HIM |
| Cooling | Forced Air |
| Filtering | Integrated Filter Configuration |
| Mechanical Integration | 800 mm MCC Style |
| Large Motor Capability | Excellent |
| Pump Applications | Excellent |
| Fan Applications | Excellent |
| Conveyor Applications | Very Good |
| Process Applications | Excellent |
| Mining Applications | Very Good |
55. Suitable Application Categories
| Application | Suitability |
|---|---|
| Large Centrifugal Pumps | Excellent |
| Large Water Pumps | Excellent |
| Wastewater Pumps | Excellent |
| Cooling Fans | Excellent |
| Large Blowers | Excellent |
| Industrial Ventilation | Excellent |
| Large Conveyors | Very Good |
| Mining Conveyors | Very Good |
| Crushers | Application dependent |
| Cement Machinery | Very Good |
| Aggregate Machinery | Very Good |
| Process Machinery | Excellent |
| Material Handling | Very Good |
| Water Treatment | Excellent |
| High-Inertia Machinery | Requires application review |
56. Important Selection Notes
The 20G11LF710JN2NNNNN should be selected according to the actual motor and machine requirements.
The most important selection factors are:
- Motor voltage must be compatible with the drive system.
- Motor full-load current must be within the appropriate drive current rating.
- The required duty rating must be identified.
- Starting torque requirements must be evaluated.
- Overload requirements must be evaluated.
- Motor speed range must be checked.
- Mechanical inertia must be considered.
- Braking requirements must be evaluated.
- Ambient conditions must be considered.
- Cabinet ventilation must be adequate.
- The final mechanical dimensions must be checked.
- The actual packaged-drive weight must be confirmed before transportation or lifting.
57. Final Technical Summary
| Category | 20G11LF710JN2NNNNN |
|---|---|
| Brand | Allen-Bradley |
| Product Family | PowerFlex 750-Series |
| Product Series | PowerFlex 755 |
| Product Type | High-Power AC Variable Frequency Drive |
| Model | 20G11LF710JN2NNNNN |
| Voltage | 690 VAC |
| Phase | 3 Phase |
| Output Current | 710 A |
| Light-Duty Power | 800 kW |
| Normal-Duty Power | 710 kW |
| Heavy-Duty Power | 590 kW |
| Cooling | Forced Air |
| Frame | Frame 9 |
| Mechanical Style | 800 mm Deep MCC Style |
| Mechanical Size | 800 mm |
| Enclosure | Type 1 / IP20 |
| Input | AC Input with Precharge |
| DC Terminals | Yes |
| Filtering | Filtered |
| CM Jumper | Installed |
| Dynamic Braking | None |
| Communication | Embedded EtherNet/IP |
| HIM | Enhanced LCD, Full Numeric, Handheld/Local |
| Width | Configuration dependent |
| Height | Configuration dependent |
| Depth | 800 mm class |
| Weight (kg) | Configuration dependent |
| Cooling Requirement | Adequate forced-air ventilation |
| Primary Applications | Pumps, Fans, Blowers, Conveyors, Process Machinery |
| Heavy Industrial Applications | Mining, Water Treatment, Cement, Aggregate |
| Main Advantage | High-current, high-power variable-speed motor control |
58. Overall Product Evaluation
The 20G11LF710JN2NNNNN is a high-capacity industrial variable frequency drive designed for large three-phase motors.
Its combination of 690 VAC operation, 710 A output current and 800 kW Light-Duty capability makes it appropriate for applications where a conventional compact drive would be insufficient.
The 710 kW Normal-Duty rating provides a strong operating range for general industrial loads, while the 590 kW Heavy-Duty rating gives the product a suitable position in demanding motor applications where greater overload capability is required.
The forced-air cooling arrangement is designed for high-power operation, but adequate ventilation and maintenance access are essential.
The 800 mm MCC-style mechanical size should be considered during cabinet design and electrical-room planning.
The embedded EtherNet/IP capability is particularly useful in automated production environments because the drive can communicate with the plant control system for speed commands, status monitoring, warnings, faults and diagnostics.
The enhanced LCD full-numeric handheld/local HIM is another practical advantage of this specific configuration. It provides a convenient local interface during commissioning, parameter setup and maintenance.
The integrated filtering and installed CM jumper provide an established electrical configuration for the intended drive architecture, while the absence of dynamic braking means that high-inertia or rapid-stop applications should receive a separate braking evaluation.
The model is especially suitable for large pumps, large fans, blowers, conveyors, water-treatment equipment, mining machinery, cement and aggregate equipment and other high-power process machines.
For mechanical engineering, the 800 mm size is the key dimensional value to use for preliminary planning. Width and height should not be estimated because the final packaged configuration can affect the overall mechanical envelope.
For weight, the safest specification is configuration dependent. The complete packaged drive should be weighed or checked against its final mechanical documentation before lifting, transportation, floor-loading or structural calculations.
In practical terms, the 20G11LF710JN2NNNNN is best viewed as a large industrial motor-control solution rather than simply a high-power electronic component. Its value comes from the combination of high current capacity, multiple duty ratings, variable-speed operation, industrial networking, local operator control and a mechanical configuration intended for large industrial installations.