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Allen-Bradley 20G1ANF171JA0NNNNN PowerFlex 755 AC Drive
1. Product Overview
The Allen-Bradley 20G1ANF171JA0NNNNN is a high-power industrial AC variable frequency drive belonging to the PowerFlex 755 Series.
This model is designed for large three-phase motor applications where high voltage, high current capacity, controlled acceleration, adjustable motor speed, process control, and industrial network communication are required.
The drive is rated for 690 VAC, three-phase operation and provides a nominal output current of 171 A. Its power rating is approximately 160 kW for Normal Duty and 132 kW for Heavy Duty.
The unit uses a Frame 7 mechanical platform with forced-air cooling and an open-type enclosure arrangement. It is intended to be installed inside a suitable electrical cabinet or industrial control enclosure where appropriate ventilation, electrical protection, clearance, and service access can be provided.
This particular configuration includes embedded EtherNet/IP communication, an AC input with precharge, no external DC terminals, a filtered configuration with CM jumper installed, and an internal dynamic braking transistor.
The internal dynamic braking transistor is one of the main configuration differences between the JA and JN versions of this drive family. The JA version is therefore more suitable for applications where dynamic braking capability is part of the drive architecture.
The drive is supplied in a Blank / No HIM configuration, making it suitable for installations where local operator control is handled through the automation system, a remote interface, or another control arrangement.
2. Basic Product Information
| Parameter | Specification |
|---|---|
| Model | 20G1ANF171JA0NNNNN |
| Brand | Allen-Bradley |
| Product Series | PowerFlex 755 |
| Product Type | AC Variable Frequency Drive |
| Drive Category | High-Power Industrial AC Drive |
| Input Voltage | 690 VAC |
| Input Phase | 3 Phase |
| Output Current | 171 A |
| Normal Duty Rating | 160 kW |
| Heavy Duty Rating | 132 kW |
| Frame Size | Frame 7 |
| Cooling | Forced Air / Air Cooled |
| Enclosure Type | Open Type |
| Protection Arrangement | IP20/IP00 installation configuration |
| Input Type | AC Input with Precharge |
| External DC Terminals | No |
| Dynamic Braking | Internal DB Transistor |
| Filtering | Filtered |
| CM Jumper | Installed |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Installation | Electrical Cabinet / Panel |
| Approximate Dimensions | Frame 7, configuration dependent |
| Approximate Weight | Configuration dependent, kg |
| Primary Application | Large Industrial Motor Control |
3. Brand and Product Series
Brand: Allen-Bradley
Series: PowerFlex 755
Model: 20G1ANF171JA0NNNNN
The PowerFlex 755 Series is a high-performance industrial AC drive platform intended for large and technically demanding motor-control applications.
The series is designed to provide adjustable-speed motor operation together with advanced control, feedback capability, diagnostics, communication, and integration with industrial automation systems.
The 20G1ANF171JA0NNNNN represents a high-capacity 690 V configuration within the family.
Its 171 A output rating and approximately 160 kW Normal Duty rating place it above the 142 A / 132 kW class in the same 690 V range.
The use of a Frame 7 platform reflects the higher electrical capacity of this model.
4. Detailed Technical Specifications
| Technical Parameter | Specification |
|---|---|
| Model | 20G1ANF171JA0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | Industrial AC Variable Frequency Drive |
| Voltage Class | 690 VAC |
| Input Voltage | 690 VAC |
| Input Phase | Three Phase |
| Output Current | 171 A |
| Normal Duty Power | 160 kW |
| Heavy Duty Power | 132 kW |
| Normal Duty Current | 171 A |
| Heavy Duty Current | Approx. 142 A class |
| Frame | Frame 7 |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Protection Arrangement | IP20/IP00 |
| AC Input | Yes |
| Input Precharge | Yes |
| External DC Terminals | No |
| Dynamic Braking | DB Transistor Included |
| Dynamic Braking Resistor | External resistor arrangement as required by application |
| EMC Filtering | Filtered |
| CM Capacitor Jumper | Installed |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Mounting | Cabinet / Panel |
| Motor Application | High-Power Industrial AC Motors |
| Approx. Dimensions | Frame 7, configuration dependent |
| Approx. Weight | Configuration dependent, kg |
| Cooling Airflow | Forced Air |
| Typical Application | Pumps, fans, conveyors, process machinery, material handling |
5. Electrical Rating
The 20G1ANF171JA0NNNNN is designed for 690 VAC three-phase electrical systems.
Its nominal output current is 171 A.
The principal Normal Duty rating is approximately:
160 kW / 171 A
The Heavy Duty rating is approximately:
132 kW / 142 A class
This difference is important during drive selection.
A 160 kW motor does not automatically require this drive simply because the Normal Duty rating is also 160 kW.
The motor’s actual full-load current, load characteristics, acceleration torque, operating cycle, overload requirements, ambient temperature, motor speed range, and braking requirements must all be evaluated.
For continuous-duty fan and pump applications, the Normal Duty rating may be the primary selection reference.
For conveyors, mixers, heavy material-handling equipment, and other applications with higher torque demand, the Heavy Duty rating should be considered carefully.
6. Normal Duty and Heavy Duty Operation
The PowerFlex 755 rating system allows one drive platform to be used across different types of industrial loads.
For the 20G1ANF171JA0NNNNN, the Normal Duty capacity reaches approximately 160 kW.
Normal Duty applications generally have a relatively moderate overload profile and spend most of their operating time within the continuous current capability of the drive.
The Heavy Duty rating is approximately 132 kW.
Heavy Duty applications can involve higher starting torque, heavier acceleration requirements, more demanding mechanical loads, or greater short-duration current requirements.
The correct rating should therefore be selected according to the actual machine duty rather than simply matching the motor’s nominal kW value.
7. Model Number Interpretation
The complete catalog number is:
20G1ANF171JA0NNNNN
The 20G portion identifies the PowerFlex 755 family.
The F designation corresponds to the 690 V class within this product family.
The 171 identifies the 171 A output-current class.
The JA configuration identifies a version that includes the dynamic braking transistor and the corresponding filtered/CM-jumper configuration.
The remaining characters define additional catalog configuration positions and option selections.
For replacement applications, the complete catalog number should always be compared.
Two drives can have the same voltage and current rating but differ in braking hardware, filtering, enclosure configuration, operator interface, or other options.
8. Product Introduction
The 20G1ANF171JA0NNNNN is intended for large industrial equipment where fixed-speed motor operation is insufficient or where controlled motor acceleration, deceleration, and speed regulation are required.
Variable-frequency operation allows the motor to operate at a speed appropriate for the actual process requirement.
For example, a large pump can operate at a reduced speed when less flow is required.
A ventilation fan can adjust its speed according to the required airflow.
A conveyor can accelerate gradually rather than applying full motor torque immediately.
A mixer can operate at different speeds during different stages of the process.
These operating characteristics make the drive suitable for large production systems where motor operation needs to be coordinated with other machinery.
9. Dynamic Braking Capability
One of the notable features of the JA configuration is the inclusion of an internal dynamic braking transistor.
Dynamic braking is useful when the driven machine needs controlled deceleration and the motor generates regenerative energy during braking.
During deceleration, mechanical energy from the load can be transferred back toward the drive’s DC bus.
A braking system provides a controlled path for managing this energy.
The internal braking transistor allows an appropriate external braking resistor arrangement to be incorporated when the application requires it.
The exact braking resistor selection depends on the motor, load inertia, stopping time, braking frequency, and required braking energy.
Applications involving frequent rapid stops should therefore be evaluated using the actual machine operating cycle.
10. Filtered Configuration
The 20G1ANF171JA0NNNNN uses a filtered configuration with the CM jumper installed.
Filtering can be important in industrial environments where electrical noise and electromagnetic compatibility need to be considered.
The CM jumper arrangement is part of the drive’s configuration and should be taken into account when the drive is installed.
Cable routing, motor cable length, grounding, cabinet construction, and other equipment connected to the same power system should also be considered when designing the complete installation.
11. Embedded EtherNet/IP Communication
The drive includes embedded EtherNet/IP communication.
This allows the drive to communicate directly with a compatible industrial automation system.
Typical information exchanged between the drive and the control system can include:
- Start commands.
- Stop commands.
- Speed reference.
- Output frequency.
- Motor current.
- Drive status.
- Fault status.
- Warning status.
- Operating state.
- Diagnostic information.
- Selected parameter information.
This communication capability is particularly useful when several high-power drives are installed on the same production line.
12. Applications
Large Industrial Pumps
The drive is suitable for large process pumps, water-transfer pumps, cooling-water pumps, circulation pumps, and industrial pumping systems.
Variable-speed operation allows the pump motor to follow the actual flow or pressure requirement.
This can provide better process flexibility than a fixed-speed motor arrangement.
Water Treatment Systems
Large water-treatment facilities often contain pumps, blowers, mixers, and other motor-driven equipment.
The 690 V / 171 A capacity makes this drive suitable for large motor systems where high power is required.
Cooling-Water Systems
Industrial cooling systems can require large pumps and fans operating for extended periods.
The drive can regulate motor speed according to cooling demand.
The network interface also allows operating information to be incorporated into the plant control system.
Large Industrial Fans
The drive can control large ventilation fans, cooling fans, exhaust fans, combustion-air systems, and industrial blowers.
Fan speed can be adjusted according to airflow requirements.
Large Blowers
Blowers used in process plants, manufacturing facilities, water treatment, and other industrial systems can require high-power motors.
The 160 kW Normal Duty capacity provides substantial drive capacity for these applications.
Conveyor Systems
Large conveyors can experience high mechanical loads during startup.
The drive can provide controlled acceleration and speed adjustment.
This can help reduce sudden mechanical stress on belts, couplings, gearboxes, and driven machinery.
Material Handling
The drive can be used in high-power material-handling systems where motor speed must be coordinated with production requirements.
Applications can include bulk material conveyors, transfer systems, feeders, and related industrial machinery.
Mixers and Agitators
Large mixers can require significant torque during startup and operation.
The drive can provide adjustable speed and controlled motor operation.
The dynamic braking transistor also provides an option for applications where controlled deceleration is required.
Process Machinery
The drive is suitable for large process machines where motor speed needs to be coordinated with other machine functions.
This includes automated manufacturing equipment, process lines, large auxiliary systems, and other industrial machinery.
13. Main Product Advantages
High 690 V Voltage Class
The 690 V rating makes the drive suitable for large industrial motors.
Higher motor voltage allows large power levels to be delivered at lower current than would be required at lower motor voltages.
This is useful for large motor installations and industrial power-distribution systems.
171 A Output Capacity
The 171 A output rating provides a substantial current capacity for large industrial motors.
It also provides a practical step above the 142 A model in the same 690 V product family.
160 kW Normal Duty Rating
The approximately 160 kW Normal Duty rating provides sufficient capacity for a wide range of large pumps, fans, conveyors, blowers, and process machines.
132 kW Heavy Duty Rating
The approximately 132 kW Heavy Duty rating gives the drive additional flexibility for applications with higher torque requirements.
This makes the drive suitable for more demanding machinery than applications based solely on low-torque fan loads.
Integrated Dynamic Braking Transistor
The internal dynamic braking transistor is a key feature of the JA configuration.
It allows the drive to be used with an appropriate external braking resistor when the machine requires controlled dissipation of regenerative energy.
Embedded EtherNet/IP
The built-in network interface simplifies integration into industrial automation systems.
The drive can exchange operating information with a controller without requiring a separate basic communication interface.
Forced-Air Cooling
The forced-air cooling arrangement is appropriate for high-power industrial installations.
It provides a practical method of removing heat when the cabinet has sufficient airflow and ventilation.
Open-Type Construction
The open-type configuration allows the drive to be incorporated into a larger electrical cabinet or machine control enclosure.
This provides flexibility for system integrators who need to design the complete enclosure around the drive and associated electrical equipment.
14. Frame 7 Construction
The 20G1ANF171JA0NNNNN is a Frame 7 drive.
The Frame 7 platform is physically larger than the Frame 6 platform used by many of the lower-current 690 V models.
The larger mechanical platform accommodates the higher power and current capability.
For cabinet design, the transition from Frame 6 to Frame 7 should be taken seriously.
The cabinet width, depth, mounting arrangement, airflow path, cable routing, and maintenance access may all need to be revised.
15. Dimensions and Weight
Because this model uses the Frame 7 platform, its physical dimensions are larger than those of the 82 A, 98 A, 119 A, and 142 A Frame 6 models.
The exact physical dimensions can vary according to the detailed mechanical configuration and installed options.
For a product specification, the safest engineering description is to identify it as a Frame 7 open-type air-cooled drive with configuration-dependent dimensions and weight.
| Physical Parameter | Specification |
|---|---|
| Model | 20G1ANF171JA0NNNNN |
| Frame | Frame 7 |
| Construction | Open Type |
| Cooling | Forced Air |
| Height | Configuration dependent |
| Width | Configuration dependent |
| Depth | Configuration dependent |
| Weight | Configuration dependent, kg |
| Mounting | Electrical Cabinet / Panel |
| Cabinet Clearance | Required |
| Airflow Clearance | Required |
| Service Clearance | Required |
| Installation Orientation | According to installation requirements |
For purchasing, cabinet fabrication, shipping, or replacement work, the dimensional drawing for the exact configuration should be used instead of relying on a generic Frame 7 measurement.
16. Environmental Considerations
The drive is intended for controlled industrial installation conditions.
The standard product configuration uses an open-type construction, so the final enclosure must provide the required environmental protection.
The installation should protect the drive from excessive dust, moisture, corrosive contaminants, conductive particles, and other environmental conditions that could affect electronic equipment.
Temperature should also be considered carefully.
High ambient temperatures can affect drive capacity and may require derating or additional cooling.
The cabinet ventilation system should therefore be designed according to the total heat load of the complete electrical system.
17. Installation Considerations
The 20G1ANF171JA0NNNNN is a high-voltage, high-power industrial drive.
Installation should be carried out by qualified electrical personnel.
The 690 VAC supply requires suitable disconnecting, protection, grounding, conductor selection, and cabinet construction.
Motor cables should be selected according to the drive and motor requirements.
Control cables and communication cables should be routed appropriately for the industrial environment.
The cabinet should also provide sufficient physical space around the drive for airflow and service access.
18. Maintenance
Regular maintenance is important for high-power variable frequency drives.
Cooling fans and airflow passages should be inspected periodically.
The cabinet should be kept reasonably clean to prevent excessive contamination of cooling paths.
Power and control connections should be checked according to the plant maintenance schedule.
Drive alarms and fault history should also be reviewed when unusual motor behavior occurs.
For critical production equipment, maintaining suitable spare parts or a replacement strategy can reduce downtime.
19. Recommended Same-Series Models
The following five models are closely related to the 20G1ANF171JA0NNNNN within the PowerFlex 755 family.
| Model | Voltage | Output Current | Normal Duty | Heavy Duty | Frame | Cooling |
|---|---|---|---|---|---|---|
| 20G1ANF098JA0NNNNN | 690 VAC | 98 A | 90 kW | 75 kW | Frame 6 | Forced Air |
| 20G1ANF119JA0NNNNN | 690 VAC | 119 A | 110 kW | 90 kW | Frame 6 | Forced Air |
| 20G1ANF142JA0NNNNN | 690 VAC | 142 A | 132 kW | 110 kW | Frame 6 | Forced Air |
| 20G1ANF171JA0NNNNN | 690 VAC | 171 A | 160 kW | 132 kW | Frame 7 | Forced Air |
| 20G1ANF212JA0NNNNN | 690 VAC | 212 A | 200 kW | 160 kW | Frame 7 | Forced Air |
These models provide a useful progression within the 690 V PowerFlex 755 range.
The 98 A model is appropriate for lower-power applications.
The 119 A and 142 A models provide intermediate capacity.
The 171 A model moves into the Frame 7 platform and increases Normal Duty capacity to approximately 160 kW.
The 212 A model provides another step upward for applications requiring approximately 200 kW Normal Duty capacity.
20. Same-Series Comparison
| Model | Output Current | Normal Duty | Heavy Duty | Frame | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|
| 20G1ANF098JA0NNNNN | 98 A | 90 kW | 75 kW | Frame 6 | Approx. Frame 6 size | Approx. 48–50 kg class |
| 20G1ANF119JA0NNNNN | 119 A | 110 kW | 90 kW | Frame 6 | Approx. Frame 6 size | Approx. 48–50 kg class |
| 20G1ANF142JA0NNNNN | 142 A | 132 kW | 110 kW | Frame 6 | Approx. 665.5 × 308 × 346.4 mm | Approx. 48–50 kg |
| 20G1ANF171JA0NNNNN | 171 A | 160 kW | 132 kW | Frame 7 | Configuration dependent | Configuration dependent |
| 20G1ANF212JA0NNNNN | 212 A | 200 kW | 160 kW | Frame 7 | Configuration dependent | Configuration dependent |
The 171 A model represents a significant step in both electrical capacity and physical size compared with the 142 A Frame 6 model.
This should be considered when designing a new cabinet or replacing an existing drive.
21. Five Related Models from the Same Brand
The following models are useful related products from the same brand and industrial drive family.
| Model | Series | Voltage | Current | Normal Duty | Heavy Duty | Typical Use |
|---|---|---|---|---|---|---|
| 20G1ANF142JA0NNNNN | PowerFlex 755 | 690 VAC | 142 A | 132 kW | 110 kW | Large pumps, fans, conveyors |
| 20G1ANF212JA0NNNNN | PowerFlex 755 | 690 VAC | 212 A | 200 kW | 160 kW | Larger industrial machinery |
| 20G1AGF171JA0NNNNN | PowerFlex 755 | 690 VAC | 171 A | 160 kW | 132 kW | Higher-protection enclosed installation |
| 20G1AND156JA0NNNNN | PowerFlex 755 | 480 VAC | 156 A | 125 HP class | 100 HP class | 480 V industrial motors |
| 20G1ANC170JA0NNNNN | PowerFlex 755 | 400 VAC | 170 A | 90 kW | 75 kW | 400 V industrial equipment |
These models are useful for comparison when the plant voltage, enclosure requirements, motor capacity, or installation conditions are different.
22. Related Model – 20G1ANF142JA0NNNNN
The 20G1ANF142JA0NNNNN is one of the closest lower-capacity alternatives.
It operates at 690 VAC and provides approximately 142 A, 132 kW Normal Duty, and 110 kW Heavy Duty capacity.
It uses the smaller Frame 6 platform.
For an application where 142 A is sufficient, this model can provide a more compact alternative to the Frame 7 171 A unit.
23. Related Model – 20G1ANF212JA0NNNNN
The 20G1ANF212JA0NNNNN provides a higher current capacity than the 171 A model.
Its rating is approximately 212 A, 200 kW Normal Duty, and 160 kW Heavy Duty.
It remains within the 690 V PowerFlex 755 family and is therefore a natural higher-capacity option when the 171 A model does not provide sufficient motor current capacity.
24. Related Model – 20G1AGF171JA0NNNNN
The 20G1AGF171JA0NNNNN retains the same general 171 A / 160 kW / 132 kW electrical class but uses a different enclosure arrangement.
This model is relevant when a higher-protection enclosure is required rather than the standard open-type configuration.
It can therefore be considered when the electrical rating needs to remain similar but the installation environment requires a different enclosure approach.
25. Related Model – 20G1AND156JA0NNNNN
The 20G1AND156JA0NNNNN belongs to the same PowerFlex 755 family but uses the 480 VAC voltage class.
Its approximate rating is 156 A, with approximately 125 HP Normal Duty and 100 HP Heavy Duty capacity.
It is useful when the plant electrical system is based on 480 VAC rather than 690 VAC.
It should not be treated as a direct electrical replacement for the 20G1ANF171JA0NNNNN without checking the motor and power-system voltage.
26. Related Model – 20G1ANC170JA0NNNNN
The 20G1ANC170JA0NNNNN is associated with the 400 VAC class.
Its rating is approximately 170 A, 90 kW Normal Duty, and 75 kW Heavy Duty.
Although the current rating is numerically close to the 171 A model, the voltage and power ratings are different.
This illustrates why drive selection should always be based on voltage, current, duty, and motor requirements rather than current alone.
27. Application Selection Table
| Application | Typical Requirement | Suitability of 20G1ANF171JA0NNNNN |
|---|---|---|
| Large Pump | Variable flow and high motor power | Suitable |
| Process Pump | Adjustable pressure and flow | Suitable |
| Cooling-Water Pump | Continuous high-power operation | Suitable |
| Large Fan | Variable airflow | Suitable |
| Industrial Blower | High-power motor control | Suitable |
| Conveyor | Controlled acceleration | Suitable |
| Material Handling | Variable speed and torque | Suitable |
| Mixer | High starting torque | Suitable |
| Agitator | Adjustable process speed | Suitable |
| Production Machinery | Coordinated motor control | Suitable |
| Process Equipment | Networked speed control | Suitable |
| High-Inertia Load | Controlled acceleration/deceleration | Application review required |
| Frequent Rapid Stopping | Dynamic braking | Suitable with correct braking design |
28. Dynamic Braking Applications
The internal braking transistor makes this configuration particularly relevant to applications where controlled deceleration is required.
Typical examples include:
- High-inertia conveyors.
- Large material-handling machinery.
- Large rotating equipment.
- Certain mixers.
- Machinery requiring rapid speed reduction.
- Production equipment with frequent stop/start cycles.
The braking resistor must be selected according to the actual regenerative energy generated by the machine.
The drive’s internal transistor does not by itself determine the complete braking capacity of the system.
The motor inertia, load inertia, stopping time, braking frequency, resistor rating, and thermal duty must all be considered.
29. Cabinet Design Considerations
The Frame 7 drive requires careful cabinet planning.
The cabinet should provide:
- Adequate physical mounting space.
- Sufficient airflow.
- Appropriate power-cable access.
- Suitable control-cable routing.
- Communication-cable routing.
- Maintenance clearance.
- Heat dissipation.
- Proper grounding.
- Suitable electrical protection.
Because this is an open-type drive, the final cabinet must provide the environmental protection required by the application.
30. Product Selection Checklist
Before selecting the 20G1ANF171JA0NNNNN, the following points should be checked:
| Selection Item | Requirement |
|---|---|
| Model | 20G1ANF171JA0NNNNN |
| Motor Voltage | Compatible with 690 VAC class |
| Motor Current | Within applicable drive rating |
| Normal Duty Power | Up to approximately 160 kW |
| Heavy Duty Power | Up to approximately 132 kW |
| Motor Phase | Three Phase |
| Load Type | Pump, fan, conveyor, mixer, process machinery, etc. |
| Overload Requirement | Must remain within selected duty rating |
| Braking Requirement | Evaluate regenerative energy |
| Cooling | Forced-air ventilation required |
| Cabinet | Open-type installation requires suitable enclosure |
| Communication | Embedded EtherNet/IP |
| Frame | Frame 7 |
| Physical Space | Larger than Frame 6 models |
| Weight | Configuration dependent, kg |
31. Dimensions and Weight Reference
| Model | Frame | Height | Width | Depth | Weight |
|---|---|---|---|---|---|
| 20G1ANF098JA0NNNNN | Frame 6 | Configuration dependent | Configuration dependent | Configuration dependent | Approx. 48–50 kg class |
| 20G1ANF119JA0NNNNN | Frame 6 | Configuration dependent | Configuration dependent | Configuration dependent | Approx. 48–50 kg class |
| 20G1ANF142JA0NNNNN | Frame 6 | Approx. 665.5 mm | Approx. 308 mm | Approx. 346.4 mm | Approx. 48–50 kg |
| 20G1ANF171JA0NNNNN | Frame 7 | Configuration dependent | Configuration dependent | Configuration dependent | Configuration dependent, kg |
| 20G1ANF212JA0NNNNN | Frame 7 | Configuration dependent | Configuration dependent | Configuration dependent | Configuration dependent, kg |
For the 171 A model, the exact dimensional drawing should be used for cabinet fabrication.
The weight should likewise be confirmed from the exact hardware configuration before transportation or lifting planning.
32. Consolidated Parameter Table
| Parameter | Specification |
|---|---|
| Model | 20G1ANF171JA0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | AC Variable Frequency Drive |
| Input Voltage | 690 VAC |
| Input Phase | 3 Phase |
| Output Current | 171 A |
| Normal Duty Power | 160 kW |
| Heavy Duty Power | 132 kW |
| Normal Duty Rating | 171 A / 160 kW |
| Heavy Duty Rating | Approx. 142 A / 132 kW |
| Frame Size | Frame 7 |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Protection Arrangement | IP20/IP00 |
| AC Input | Yes |
| Input Precharge | Included |
| External DC Terminals | No |
| Dynamic Braking | Internal DB Transistor |
| Filtering | Filtered |
| CM Jumper | Installed |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Mounting | Cabinet / Panel |
| Approx. Height | Configuration dependent |
| Approx. Width | Configuration dependent |
| Approx. Depth | Configuration dependent |
| Approx. Weight | Configuration dependent, kg |
| Primary Applications | Pumps, fans, blowers, conveyors, mixers, process machinery |
| Motor Control | Variable-Frequency AC Motor Control |
| Drive Platform | High-Power Industrial |
33. Quick Comparison with Nearby 690 V Models
| Model | Output Current | Normal Duty | Heavy Duty | Frame | Main Difference |
|---|---|---|---|---|---|
| 20G1ANF119JA0NNNNN | 119 A | 110 kW | 90 kW | Frame 6 | Lower capacity |
| 20G1ANF142JA0NNNNN | 142 A | 132 kW | 110 kW | Frame 6 | Smaller high-power option |
| 20G1ANF171JA0NNNNN | 171 A | 160 kW | 132 kW | Frame 7 | Main target model |
| 20G1ANF212JA0NNNNN | 212 A | 200 kW | 160 kW | Frame 7 | Higher capacity |
| 20G1ANF263JA0NNNNN | 263 A | 250 kW | 200 kW | Frame 7 | Higher-power application |
This group provides a straightforward progression for selecting a 690 V drive according to motor current and power requirements.
34. Practical Advantages in Industrial Use
The 20G1ANF171JA0NNNNN combines high motor capacity with industrial network communication and dynamic braking capability.
For a large pump, the drive can provide adjustable speed according to process demand.
For a conveyor, it can provide controlled acceleration and deceleration.
For a fan or blower, it can provide variable-speed airflow control.
For a mixer, it can provide adjustable operating speed and controlled stopping.
For automated production equipment, EtherNet/IP allows the drive to participate in centralized machine control.
The Frame 7 platform provides the physical and electrical capacity required for the 171 A class.
35. Final Product Summary
The Allen-Bradley 20G1ANF171JA0NNNNN is a high-power PowerFlex 755 Series AC variable frequency drive designed for large three-phase industrial motor applications.
Its primary electrical rating is 690 VAC, three phase, 171 A, with approximately 160 kW Normal Duty and 132 kW Heavy Duty capability.
The drive uses a Frame 7 forced-air cooling platform and an open-type installation arrangement.
Its configuration includes AC input with precharge, no external DC terminals, filtered operation with CM jumper installed, embedded EtherNet/IP communication, and an internal dynamic braking transistor.
The internal braking transistor is an important advantage for applications that require controlled deceleration and need a dynamic braking resistor arrangement.
Typical applications include large pumps, process pumps, cooling systems, large fans, blowers, conveyors, material-handling equipment, mixers, agitators, process machinery, and high-power automated production equipment.
The main technical advantages are the 690 V operating class, 171 A output capacity, 160 kW Normal Duty rating, 132 kW Heavy Duty rating, Frame 7 construction, forced-air cooling, embedded EtherNet/IP communication, filtered configuration, and integrated dynamic braking transistor.
The model should be selected according to the complete motor and machine requirements rather than motor kW alone.
Motor voltage, motor current, duty classification, overload requirements, braking energy, acceleration time, deceleration time, cabinet ventilation, physical space, communication requirements, and environmental conditions should all be reviewed before final installation.
For applications requiring a 690 V industrial drive in the approximately 160 kW Normal Duty class, the 20G1ANF171JA0NNNNN provides a high-capacity Frame 7 solution within the PowerFlex 755 family.