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The Allen-Bradley 20F1ANF082JA0NNNNN is a high-power PowerFlex 753 AC drive designed for industrial variable-speed motor control.
This model is configured for a 690 VAC, three-phase power supply, with a rated output current of 82 A. Its principal power ratings are 75 kW for Normal Duty and 55 kW for Heavy Duty.
The drive uses a Frame 6 mechanical construction and an open-type enclosure. It is intended for installation inside a suitable industrial electrical cabinet where appropriate ventilation, protection, grounding and maintenance clearance can be provided.
A particularly important feature of this exact configuration is the internal dynamic-braking transistor. This makes the drive well suited to machinery where controlled deceleration, frequent speed changes or high-inertia loads are involved.
The drive also includes embedded I/O, PID control capability, EMC filtering and forced-air cooling. It is configured without a local HIM, making it suitable for systems where operation and monitoring are handled through a control panel, PLC or other external control arrangement.
| Item | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | PowerFlex |
| Series | PowerFlex 753 |
| Product Type | AC Variable-Frequency Drive |
| Catalog Number | 20F1ANF082JA0NNNNN |
| Voltage Class | 690 VAC |
| Input | 3-Phase AC |
| Output | 3-Phase AC |
| Rated Output Current | 82 A |
| Normal Duty Rating | 75 kW |
| Heavy Duty Rating | 55 kW |
| Frame Size | Frame 6 |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Dynamic Braking | Internal DB Transistor |
| EMC Filtering | Filtered |
| CM Jumper | Installed |
| Embedded I/O | Yes |
| PID | Yes |
| HIM | Blank / No HIM |
| Integrated Motion | No |
| Safety Function Compatibility | Yes |
The PowerFlex 753 family is intended for general-purpose industrial motor control and is particularly suitable for machine-building and process applications where reliable speed regulation, flexible control and integrated I/O are required.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF082JA0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 753 |
| Product Type | Air-Cooled AC Drive |
| Input Voltage | 690 VAC |
| Input Phase | 3 Phase |
| Output Phase | 3 Phase |
| Rated Output Current | 82 A |
| Normal Duty Power | 75 kW |
| Heavy Duty Power | 55 kW |
| Frame Size | Frame 6 |
| Input Type | AC Input with Precharge |
| DC Terminals | No |
| Dynamic Braking | Internal DB Transistor |
| EMC Filtering | Filtered |
| CM Jumper | Installed |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Protection | IP20 / IP00 class |
| Embedded I/O | Yes |
| PID Control | Yes |
| Integrated Motion | No |
| Safety Function Compatibility | Yes |
| HIM | Blank / No HIM |
| Approx. Height | 665.5 mm |
| Approx. Width | 308 mm |
| Approx. Depth | 346.4 mm |
| Approx. Dimensions | 665.5 × 308 × 346.4 mm |
| Approx. Weight | 48 kg |
| Operating Temperature | Approximately -20 to 60 °C |
| Storage Temperature | Approximately -40 to 70 °C |
| Mounting | Cabinet / Panel |
| Cooling Method | Forced Air |
The most important electrical values are 690 VAC, 82 A, 75 kW Normal Duty and 55 kW Heavy Duty.
For actual drive selection, the motor nameplate current, load torque, overload requirements and duty cycle should be checked rather than selecting the drive based solely on motor kW.
The 20F1ANF082JA0NNNNN is a variable-frequency AC drive used to regulate the speed, torque and operating behavior of three-phase AC motors.
Instead of operating a motor at one fixed speed, the drive changes the electrical conditions supplied to the motor so that the motor can operate at different speeds according to the requirements of the machine.
This is especially useful in industrial equipment where production requirements change during operation.
A pump may require high flow during one stage of a process and reduced flow during another.
A fan may need to adjust its speed according to airflow requirements.
A conveyor may require a slow speed during loading and a higher speed during normal production.
A mixer may need controlled acceleration, a stable operating speed and controlled stopping.
The PowerFlex 753 platform is designed for this type of industrial motor-control requirement.
The model is designed for a 690 VAC, three-phase system.
This voltage class is commonly associated with larger industrial motors and higher-power installations.
The main electrical ratings are:
| Electrical Rating | Value |
|---|---|
| Input Voltage | 690 VAC |
| Number of Input Phases | 3 |
| Output Current | 82 A |
| Normal Duty | 75 kW |
| Heavy Duty | 55 kW |
| Supply Frequency | 50/60 Hz |
| Frame | 6 |
The relatively high voltage and current combination makes this model suitable for large industrial machinery.
Using a higher-voltage motor system can also be advantageous in larger installations because the same power level can be transmitted at a lower current compared with a lower-voltage system.
The drive provides a rated output current of 82 A.
This is one of the most important specifications when selecting the drive for a motor.
The drive should be matched against the actual motor current and application duty.
| Motor Selection Item | Importance |
|---|---|
| Motor Rated Voltage | Must match the electrical system |
| Motor Rated Current | Primary drive-sizing consideration |
| Motor Power | Important reference |
| Motor Frequency | Important |
| Motor Speed | Important for mechanical matching |
| Load Torque | Critical for duty selection |
| Starting Torque | Important for acceleration |
| Acceleration Time | Important |
| Deceleration Time | Important |
| Motor Inertia | Important for braking |
| Load Inertia | Important |
| Duty Cycle | Important for thermal loading |
A 75 kW motor does not necessarily have the same rated current as another 75 kW motor.
Motor efficiency, power factor, voltage and construction can all affect the actual current.
For that reason, the 82 A rating should be treated as the primary electrical selection parameter.
The drive is rated for 75 kW Normal Duty.
This makes it particularly suitable for variable-torque loads.
Typical applications include:
In variable-torque applications, motor speed can be adjusted to match the process requirement.
This can be much more flexible than operating a motor continuously at full speed.
The Heavy Duty rating is 55 kW.
This rating is important for applications that impose greater torque demands on the motor and drive.
Typical examples include:
When a machine has significant starting torque requirements or operates under relatively constant torque, the Heavy Duty rating should be considered carefully.
| Rating Type | Power Rating | Typical Application |
|---|---|---|
| Normal Duty | 75 kW | Pumps, fans, blowers, variable-torque loads |
| Heavy Duty | 55 kW | Conveyors, mixers, feeders, constant-torque loads |
This distinction is important because the same physical drive can have different application limits depending on the type of load.
A 75 kW pump application may be appropriate under Normal Duty.
A 75 kW conveyor application, however, should not automatically be assumed to be suitable simply because the Normal Duty rating is 75 kW.
For a demanding constant-torque application, the 55 kW Heavy Duty rating is the more appropriate reference.
The 20F1ANF082JA0NNNNN includes an internal dynamic-braking transistor.
This is one of the most useful features of the configuration.
When an AC motor decelerates, especially when connected to a high-inertia load, the motor can temporarily act as a generator.
Energy can then flow back into the drive’s DC bus.
If the regenerated energy is not managed, the DC-bus voltage can increase.
Dynamic braking provides a way of managing this energy by switching an appropriate braking resistor into the braking circuit.
The internal transistor therefore gives the system additional braking flexibility.
Dynamic braking can be particularly useful for:
For these applications, the internal braking transistor can simplify the drive configuration compared with selecting a drive that does not have an internal braking transistor.
The braking resistor itself must still be selected according to the actual regenerative energy and braking duty.
This model is configured as filtered, with the CM jumper installed.
EMC performance is an important consideration in industrial electrical systems because a high-power variable-frequency drive can operate in the same cabinet or facility as:
The filter and common-mode configuration can help manage electromagnetic interference.
However, proper grounding, cable routing, shielding and cabinet design remain important.
The drive uses forced-air cooling.
At a 75 kW Normal Duty rating and 82 A output current, thermal management is an important part of installation planning.
The cabinet should provide adequate airflow around the drive.
Hot air should not be allowed to circulate back into the drive’s cooling intake.
The cooling system should be kept clean and unobstructed.
Important installation considerations include:
Good thermal design can significantly improve long-term drive reliability.
The model uses a Frame 6 mechanical design.
Frame size affects:
The Frame 6 configuration provides a substantial mechanical platform suitable for this level of motor power.
| Mechanical Parameter | Specification |
|---|---|
| Model | 20F1ANF082JA0NNNNN |
| Frame | 6 |
| Height | 665.5 mm |
| Width | 308 mm |
| Depth | 346.4 mm |
| Overall Dimensions | 665.5 × 308 × 346.4 mm |
| Approx. Weight | 48 kg |
| Enclosure | Open Type |
| Protection | IP20 / IP00 class |
| Cooling | Forced Air |
| Installation | Cabinet / Panel |
The approximate overall dimensions are 665.5 mm × 308 mm × 346.4 mm.
The approximate weight is 48 kg.
For cabinet manufacturing, these values should be combined with the required cable-bending space, terminal access and ventilation clearance.
The drive uses an open-type enclosure.
This means it is intended to be installed inside an appropriate electrical cabinet rather than being treated as a fully enclosed standalone field device.
The cabinet should provide protection against:
The cabinet must also be designed to dissipate the heat generated by the drive.
Embedded I/O is one of the practical advantages of the PowerFlex 753 family.
The drive can directly interact with many common control signals without requiring a separate interface for every basic function.
Typical uses include:
This can simplify the control system and reduce the amount of additional hardware required.
The drive supports PID control.
PID is particularly useful for process applications.
For example, a pressure-control system could be arranged as:
Pressure Sensor → PID Control → Drive Speed Command → Motor → Pump
When pressure falls below the desired setpoint, the drive can increase motor speed.
When pressure rises above the desired setpoint, the drive can reduce motor speed.
The same concept can be used for:
This makes the drive useful in applications where motor speed needs to respond automatically to a changing process condition.
The catalog number specifies Blank / No HIM.
A local Human Interface Module is therefore not included in the standard configuration.
This is particularly suitable when the drive is installed inside a cabinet and is controlled through:
For systems where local keypad operation is not necessary, this configuration can provide a cleaner cabinet arrangement.
| Application | Suitability | Main Reason |
|---|---|---|
| Large Centrifugal Pumps | Excellent | 75 kW Normal Duty |
| Industrial Fans | Excellent | Variable-speed operation |
| Large Blowers | Excellent | High current capacity |
| Cooling Pumps | Excellent | Adjustable flow |
| Water Circulation | Excellent | PID capability |
| Ventilation Systems | Excellent | Variable airflow |
| Conveyors | Very Good | 55 kW Heavy Duty + braking |
| Feeders | Very Good | Controlled acceleration |
| Mixers | Very Good | Heavy-duty capability |
| Material Handling | Very Good | High current |
| Process Machinery | Excellent | PID + embedded I/O |
| Production Equipment | Very Good | Flexible speed control |
| High-Inertia Machinery | Excellent | Dynamic braking |
| Rapid Cycling Equipment | Very Good | Controlled acceleration/deceleration |
Large pumps are one of the most suitable application areas for this drive.
Possible applications include:
A pump does not necessarily need to operate continuously at full speed.
The drive can adjust motor speed according to actual process demand.
With PID control, the drive can respond to pressure or flow feedback and automatically adjust motor speed.
Large industrial fans and blowers can benefit significantly from variable-speed control.
Typical applications include:
The 75 kW Normal Duty capacity gives the drive a substantial operating range for large variable-torque fan and blower applications.
Dynamic braking can also be useful when a high-inertia fan needs controlled deceleration.
The 55 kW Heavy Duty rating makes the drive appropriate for many substantial conveyor applications.
Possible equipment includes:
The drive can provide:
The internal dynamic-braking transistor is particularly useful when the conveyor has high inertia and requires controlled stopping.
Industrial mixers often require controlled starting and stopping.
Typical requirements include:
The 55 kW Heavy Duty rating makes this model suitable for a substantial range of industrial mixer applications.
Dynamic braking can be particularly useful when the mixer must stop quickly at the end of a process cycle.
Industrial feeders often require accurate and repeatable speed control.
A feeder may need to:
The PowerFlex 753 platform provides a practical solution for integrating these motor-control functions into the overall machine-control system.
Material-handling equipment frequently requires both substantial motor power and controlled acceleration.
Applications can include:
The 82 A current rating provides considerable capacity for large material-handling machinery.
High-inertia machinery is one of the applications where the dynamic-braking configuration becomes particularly valuable.
Examples include:
When these machines decelerate, a significant amount of kinetic energy can be returned to the drive.
The internal braking transistor provides a practical means of controlling this energy through a correctly selected braking resistor.
| Advantage | Description |
|---|---|
| 690 VAC Operation | Suitable for high-voltage industrial motor systems |
| 82 A Output | High motor-current capacity |
| 75 kW Normal Duty | Excellent for large variable-torque loads |
| 55 kW Heavy Duty | Suitable for demanding constant-torque loads |
| Internal DB Transistor | Supports dynamic-braking applications |
| Frame 6 | High-capacity industrial mechanical platform |
| Forced-Air Cooling | Suitable for high-power operation |
| EMC Filtering | Helps manage electromagnetic interference |
| Embedded I/O | Simplifies machine integration |
| PID | Supports process-control applications |
| No HIM | Suitable for remote-controlled systems |
| Open Type | Suitable for cabinet installation |
The combination of 82 A, 75 kW Normal Duty and 55 kW Heavy Duty gives the model a wide industrial application range.
It can handle substantially larger equipment than smaller PowerFlex configurations.
This makes it a useful choice for industrial plants where several machines operate in the medium-to-high power range.
The 690 VAC configuration is especially useful for large industrial motor systems.
A higher motor voltage can allow large motors to operate with lower current for a given power level than equivalent lower-voltage arrangements.
This can be beneficial when considering:
The complete electrical installation must, of course, be designed for the applicable voltage class.
The internal braking transistor is one of the most important configuration features.
It provides a foundation for dynamic braking without requiring the drive itself to be equipped with a separate external braking transistor module.
This is useful for:
The braking resistor still needs to be properly sized for the actual application.
Embedded I/O can simplify the machine architecture.
For many applications, basic control signals can be connected directly to the drive.
This reduces the need for additional interface equipment and can make the control cabinet easier to organize.
It can also make troubleshooting more straightforward because many basic drive functions are integrated into the drive itself.
The built-in PID capability allows the drive to participate directly in process regulation.
This can be useful in:
The result is a drive that can perform both motor-control and basic process-control functions.
The filtered configuration can be beneficial in installations where multiple electronic systems operate together.
A well-designed EMC installation should consider:
The drive’s EMC configuration is therefore an important part of the overall electrical design.
Frame 6 provides a substantial enclosure-compatible mechanical package.
The approximately 665.5 × 308 × 346.4 mm dimensions provide a useful reference for cabinet planning.
The approximate 48 kg weight should also be taken into account when designing mounting structures and transportation procedures.
| Model | Series | Voltage | Current | Normal Duty | Heavy Duty | Braking | Frame | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|---|---|---|
| 20F1ANF061JA0NNNNN | PowerFlex 753 | 690 VAC | 61 A | 55 kW | 45 kW | Internal DB | 6 | Approx. 665.5 × 308 × 346.4 mm class | Approx. 48 kg class |
| 20F1ANF082AA0NNNNN | PowerFlex 753 | 690 VAC | 82 A | 75 kW | 55 kW | Internal DB | 6 | Approx. 665.5 × 308 × 346.4 mm class | Approx. 48 kg class |
| 20F1ANF082JN0NNNNN | PowerFlex 753 | 690 VAC | 82 A | 75 kW | 55 kW | No Internal DB | 6 | Approx. 665.5 × 308 × 346.4 mm class | Approx. 38.6 kg class |
| 20F1ANF098JA0NNNNN | PowerFlex 753 | 690 VAC | 98 A | 90 kW | 75 kW | Internal DB | 6 | Frame 6 class | Configuration dependent |
| 20F1ANF119JA0NNNNN | PowerFlex 753 | 690 VAC | 119 A | 110 kW | 90 kW | Internal DB | 6 | Frame 6 class | Configuration dependent |
These five models provide a practical comparison range around the 82 A target model.
The 61 A version is appropriate when the motor requirement is lower.
The 82 A AA version is closely related and provides another braking/filter configuration.
The 82 A JN version has the same principal power rating but does not include the internal dynamic-braking transistor.
The 98 A and 119 A versions are useful when additional motor capacity is required.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF061JA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Current | 61 A |
| Normal Duty | 55 kW |
| Heavy Duty | 45 kW |
| Frame | 6 |
| Dynamic Braking | Internal DB Transistor |
| Filtering | Filtered |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Embedded I/O | Yes |
| PID | Yes |
| Dimensions | Approx. 665.5 × 308 × 346.4 mm class |
| Weight | Approx. 48 kg class |
This is a logical lower-power alternative.
It is useful when an 82 A drive would provide more capacity than the motor actually requires.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF082AA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Current | 82 A |
| Normal Duty | 75 kW |
| Heavy Duty | 55 kW |
| Frame | 6 |
| Dynamic Braking | Internal DB Transistor |
| Filtering | EMC Filter |
| CM Jumper | Installed |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Embedded I/O | Yes |
| PID | Yes |
| Dimensions | Approx. 665.5 × 308 × 346.4 mm |
| Weight | Approx. 48 kg |
This is one of the closest related configurations to the target model.
The main electrical capacity is essentially the same, while the catalog configuration differs.
It is therefore useful when comparing different filtering and configuration requirements.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF082JN0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Current | 82 A |
| Normal Duty | 75 kW |
| Heavy Duty | 55 kW |
| Frame | 6 |
| Dynamic Braking | No Internal DB Transistor |
| Filtering | Filtered |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Embedded I/O | Yes |
| PID | Yes |
| Dimensions | Approx. 665.5 × 308 × 346.4 mm class |
| Weight | Approx. 38.6 kg class |
This model is particularly useful where the machine does not require internal dynamic braking.
Its current and principal power ratings make it a very close electrical alternative to the target model.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF098JA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Current | 98 A |
| Normal Duty | 90 kW |
| Heavy Duty | 75 kW |
| Frame | 6 class |
| Dynamic Braking | Internal DB Transistor |
| Filtering | Filtered |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Embedded I/O | Yes |
| PID | Yes |
| Dimensions | Frame 6 class |
| Weight | Configuration dependent |
This is an appropriate step-up option when the motor current is higher than the 82 A capability.
The 90 kW Normal Duty rating makes it particularly useful for larger pumps, fans and blowers.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF119JA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Current | 119 A |
| Normal Duty | 110 kW |
| Heavy Duty | 90 kW |
| Frame | 6 class |
| Dynamic Braking | Internal DB Transistor |
| Filtering | Filtered |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Embedded I/O | Yes |
| PID | Yes |
| Dimensions | Frame 6 class |
| Weight | Configuration dependent |
This model is useful when the application requires substantially more output current than the 82 A model.
It can be considered for larger process pumps, fans, blowers and other high-power industrial machinery.
| Model | Series | Voltage Class | Current / Capacity | Normal Duty | Heavy Duty | Main Application | Dimensions | Weight |
|---|---|---|---|---|---|---|---|---|
| 20F1ANF061JA0NNNNN | PowerFlex 753 | 690 VAC | 61 A | 55 kW | 45 kW | Pumps, fans, process equipment | Frame 6 class | Approx. 48 kg class |
| 20F1ANF082AA0NNNNN | PowerFlex 753 | 690 VAC | 82 A | 75 kW | 55 kW | Large industrial machinery | Approx. 690 V / Frame 6 | Approx. 48 kg |
| 20F1ANF098JA0NNNNN | PowerFlex 753 | 690 VAC | 98 A | 90 kW | 75 kW | Large pumps and fans | Frame 6 class | Configuration dependent |
| 20G1ANC260JA0NNNNN | PowerFlex 755 | 400 VAC class | 260 A class | 132 kW class | 110 kW class | High-power industrial systems | Frame 6 class | Configuration dependent |
| 25B-D024N114 | PowerFlex 525 | 480 VAC class | 24 A class | 11 kW class | Application dependent | Compact industrial machinery | Configuration dependent | Configuration dependent |
These models cover different levels of power and different application requirements.
The PowerFlex 753 models are the closest match to the target because they share the same general drive family.
The PowerFlex 755 represents a higher-capability platform for applications where additional drive functionality is required.
The PowerFlex 525 is a smaller and more compact option for lower-power machinery.
| Model | Current | Normal Duty | Heavy Duty | Frame |
|---|---|---|---|---|
| 20F1ANF012JA0NNNNN | 12 A | 7.5 kW | 5.5 kW | 6 |
| 20F1ANF015JA0NNNNN | 15 A | 11 kW | 7.5 kW | 6 |
| 20F1ANF020JA0NNNNN | 20 A | 15 kW | 11 kW | 6 |
| 20F1ANF023JA0NNNNN | 23 A | 18.5 kW | 15 kW | 6 |
| 20F1ANF030JA0NNNNN | 30 A | 22 kW | 18.5 kW | 6 |
| 20F1ANF034JA0NNNNN | 34 A | 30 kW | 22 kW | 6 |
| 20F1ANF046JA0NNNNN | 46 A | 37 kW | 30 kW | 6 |
| 20F1ANF050JA0NNNNN | 50 A | 45 kW | 37 kW | 6 |
| 20F1ANF061JA0NNNNN | 61 A | 55 kW | 45 kW | 6 |
| 20F1ANF082JA0NNNNN | 82 A | 75 kW | 55 kW | 6 |
| 20F1ANF098JA0NNNNN | 98 A | 90 kW | 75 kW | 6 |
| 20F1ANF119JA0NNNNN | 119 A | 110 kW | 90 kW | 6 |
The 20F1ANF082JA0NNNNN sits in a useful position in this range.
It is significantly larger than the 61 A configuration while still providing a practical Frame 6 package.
| Application | Typical Duty | Suitability |
|---|---|---|
| Large Centrifugal Pump | Normal Duty | Excellent |
| Cooling Pump | Normal Duty | Excellent |
| Water Circulation Pump | Normal Duty | Excellent |
| Large Industrial Fan | Normal Duty | Excellent |
| Large Blower | Normal Duty | Excellent |
| Ventilation System | Normal Duty | Excellent |
| Heavy Conveyor | Heavy Duty | Very Good |
| Bulk Material Conveyor | Heavy Duty | Very Good |
| Feeder | Heavy Duty | Very Good |
| Mixer | Heavy Duty | Very Good |
| Material Handling | Heavy Duty | Very Good |
| Process Machinery | Normal / Heavy Duty | Excellent |
| High-Inertia Machinery | Application dependent | Excellent |
| Rapid Deceleration Machinery | Application dependent | Very Good |
| Production Equipment | Application dependent | Very Good |
Because the drive is an open-type unit, cabinet design is an important part of the installation.
The cabinet should provide adequate room for:
The drive weighs approximately 48 kg, so the cabinet structure should be strong enough to support the drive and account for vibration and cable forces.
The 75 kW Normal Duty rating means that the drive can generate significant heat during operation.
The installation should therefore consider:
A poorly ventilated cabinet can cause the internal temperature to rise even when the surrounding room temperature appears acceptable.
For high-power drives, cabinet thermal calculations are therefore an important part of engineering.
The internal braking transistor is an important advantage, but it is only one part of the complete braking system.
When a braking resistor is used, its selection should consider:
| Braking Parameter | Importance |
|---|---|
| Motor Power | Determines energy scale |
| Motor Inertia | Determines stored kinetic energy |
| Load Inertia | Often critical |
| Deceleration Time | Determines braking intensity |
| Braking Frequency | Determines thermal load |
| Stop Frequency | Determines resistor duty |
| Maximum Braking Power | Important |
| Resistor Thermal Capacity | Important |
| Ambient Temperature | Important |
| Mounting Location | Important |
For a machine that stops only occasionally, the braking requirement can be very different from a machine that stops dozens or hundreds of times per hour.
The target drive should be matched with the motor according to actual electrical and mechanical requirements.
A good selection procedure should examine:
The 82 A output rating should be compared directly with the motor’s nameplate current.
A typical process-pump arrangement could be:
Pressure Sensor → PID → PowerFlex 753 → Motor → Pump
The pressure sensor measures the actual system pressure.
The PID function compares actual pressure with the desired setpoint.
The drive then adjusts motor speed.
This allows the pump to respond automatically to changing demand.
Such an arrangement can be useful for:
A large ventilation system can use:
Airflow Sensor → PID → Drive → Motor → Fan
When airflow demand increases, the drive increases motor speed.
When demand decreases, the drive reduces motor speed.
This provides a more flexible operating arrangement than a motor that can only run at full speed.
The 75 kW Normal Duty capacity gives this model considerable capability for large industrial fans.
A conveyor system can use:
PLC → Drive → Motor → Gearbox → Conveyor
The drive can control:
For high-inertia conveyors, dynamic braking can provide additional control during deceleration.
A mixer can use:
PLC → Drive → Motor → Gearbox → Mixer
The drive can provide:
The Heavy Duty rating makes this configuration suitable for a substantial range of industrial mixer applications.
| Maintenance Item | Recommended Attention |
|---|---|
| Cooling Fans | Inspect regularly |
| Heat Sink | Keep clean |
| Cabinet Airflow | Check regularly |
| Air Filters | Clean or replace |
| Power Connections | Inspect |
| Grounding | Verify |
| Motor Cables | Inspect |
| Control Wiring | Inspect |
| Braking Resistor | Inspect when installed |
| Cabinet Temperature | Monitor |
| Drive Fault History | Review |
| Parameter Backup | Maintain |
| Mounting Hardware | Inspect |
| Ventilation Paths | Keep unobstructed |
Preventive maintenance is particularly important for large industrial drives.
The cooling system deserves special attention because excessive temperature can negatively affect the service life of electronic components.
| Category | Parameter | Specification |
|---|---|---|
| Identification | Model | 20F1ANF082JA0NNNNN |
| Identification | Brand | Allen-Bradley |
| Identification | Series | PowerFlex 753 |
| Product | Product Type | AC Variable-Frequency Drive |
| Product | Cooling | Forced Air |
| Electrical | Input Voltage | 690 VAC |
| Electrical | Input Phase | 3 Phase |
| Electrical | Output Phase | 3 Phase |
| Electrical | Rated Output Current | 82 A |
| Electrical | Normal Duty Rating | 75 kW |
| Electrical | Heavy Duty Rating | 55 kW |
| Electrical | Supply Frequency | 50/60 Hz |
| Input | Input Type | AC Input with Precharge |
| Input | DC Terminals | No |
| Braking | Dynamic Braking | Internal DB Transistor |
| EMC | Filter | Yes |
| EMC | CM Jumper | Installed |
| Control | Embedded I/O | Yes |
| Control | PID | Yes |
| Motion | Integrated Motion | No |
| Safety | Safety Function Compatibility | Yes |
| Interface | HIM | Blank / No HIM |
| Construction | Frame | 6 |
| Construction | Enclosure | Open Type |
| Construction | Protection | IP20 / IP00 class |
| Mechanical | Height | 665.5 mm |
| Mechanical | Width | 308 mm |
| Mechanical | Depth | 346.4 mm |
| Mechanical | Dimensions | 665.5 × 308 × 346.4 mm |
| Mechanical | Weight | 48 kg |
| Environment | Operating Temperature | Approx. -20 to 60 °C |
| Environment | Storage Temperature | Approx. -40 to 70 °C |
| Installation | Mounting | Cabinet / Panel |
| Application | Pumps | Excellent |
| Application | Fans | Excellent |
| Application | Blowers | Excellent |
| Application | Conveyors | Very Good |
| Application | Mixers | Very Good |
| Application | Feeders | Very Good |
| Application | Material Handling | Very Good |
| Application | Process Machinery | Excellent |
| Application | High-Inertia Loads | Excellent |
| Requirement | Recommended Choice |
|---|---|
| 690 VAC system | 20F1ANF082JA0NNNNN |
| 82 A output requirement | 20F1ANF082JA0NNNNN |
| 75 kW Normal Duty | 20F1ANF082JA0NNNNN |
| 55 kW Heavy Duty | 20F1ANF082JA0NNNNN |
| Internal dynamic braking | 20F1ANF082JA0NNNNN |
| Lower power requirement | 20F1ANF061JA0NNNNN |
| Same 82 A without internal DB | 20F1ANF082JN0NNNNN |
| Same 82 A with alternative filter configuration | 20F1ANF082AA0NNNNN |
| Higher power requirement | 20F1ANF098JA0NNNNN |
| Still higher power requirement | 20F1ANF119JA0NNNNN |
| Large pump | 20F1ANF082JA0NNNNN |
| Large fan | 20F1ANF082JA0NNNNN |
| Large blower | 20F1ANF082JA0NNNNN |
| Heavy conveyor | 20F1ANF082JA0NNNNN |
| High-inertia machinery | 20F1ANF082JA0NNNNN |
| PID process control | 20F1ANF082JA0NNNNN |
The Allen-Bradley 20F1ANF082JA0NNNNN combines several characteristics that make it suitable for large industrial motor-control systems.
Its 690 VAC three-phase rating allows it to operate in high-voltage industrial motor systems.
Its 82 A output rating provides substantial current capacity.
The 75 kW Normal Duty rating makes it particularly suitable for large variable-torque equipment such as pumps, fans and blowers.
The 55 kW Heavy Duty rating expands its application range to conveyors, mixers, feeders and other more demanding constant-torque machinery.
The internal dynamic-braking transistor is an important advantage for high-inertia applications and machinery that requires controlled deceleration.
The embedded I/O simplifies integration with machine-control systems.
The PID capability allows the drive to participate directly in process-control applications.
The EMC-filtered configuration helps support industrial electromagnetic compatibility requirements when combined with proper grounding and wiring practices.
The Frame 6 package provides a substantial industrial mechanical platform, while the approximate 665.5 × 308 × 346.4 mm dimensions provide a useful basis for cabinet planning.
The approximate 48 kg weight should be considered when designing the mounting structure and handling procedures.
The Allen-Bradley 20F1ANF082JA0NNNNN is a high-power PowerFlex 753 AC drive intended for demanding industrial motor-control applications.
Its core specification is 690 VAC, three-phase, 82 A, 75 kW Normal Duty and 55 kW Heavy Duty.
The model’s Frame 6, forced-air cooling and open-type construction make it appropriate for installation in an industrial electrical cabinet.
Its internal dynamic-braking transistor gives it an important advantage for high-inertia machinery and applications requiring controlled deceleration.
The drive is particularly well suited to large pumps, fans, blowers, conveyors, mixers, feeders, material-handling systems, process machinery and other industrial equipment.
For variable-torque loads, the 75 kW Normal Duty rating provides substantial capacity.
For constant-torque applications, the 55 kW Heavy Duty rating should be used when evaluating suitability.
The combination of embedded I/O, PID capability, EMC filtering and dynamic-braking capability gives this configuration considerable flexibility for industrial automation and motor-control applications.
From a mechanical perspective, the approximate dimensions are 665.5 mm × 308 mm × 346.4 mm, with an approximate weight of 48 kg.
Overall, the 20F1ANF082JA0NNNNN is a strong choice when an industrial installation requires a 690 VAC, 82 A PowerFlex 753 drive with 75 kW Normal Duty capacity, 55 kW Heavy Duty capacity and an internal dynamic-braking transistor.