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The Allen-Bradley 20F1ANF034JA0NNNNN is a high-power industrial AC drive from the PowerFlex 753 series.
It is designed for three-phase motor control systems using a 690 VAC supply and provides a nominal output current of 34 A.
The drive has a 30 kW Normal Duty rating and a 22 kW Heavy Duty rating, giving it a useful operating range for pumps, fans, blowers, conveyors, mixers, feeders and other industrial machinery.
One of the most important characteristics of this particular catalog number is its integrated dynamic-braking transistor.
The drive also has an EMC-filtered configuration with the CM jumper installed, embedded I/O, PID control capability, forced-air cooling and an open-type Frame 6 enclosure.
The unit is supplied in a blank/no-HIM configuration, making it suitable for systems where the drive is controlled through a PLC, HMI, network, external control station or other automation equipment rather than through a dedicated local keypad.
| Item | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | PowerFlex |
| Product Series | PowerFlex 753 |
| Product Type | Air-Cooled AC Drive |
| Catalog Number | 20F1ANF034JA0NNNNN |
| Drive Class | Industrial AC Variable-Frequency Drive |
| Input Voltage | 690 VAC |
| Input Phase | Three Phase |
| Output Phase | Three Phase |
| Rated Current | 34 A |
| Normal Duty Rating | 30 kW |
| Heavy Duty Rating | 22 kW |
| Frame Size | 6 |
| Cooling Method | Forced Air |
| Enclosure | IP20/IP00 |
| Enclosure Type | Open Type |
| Dynamic Braking | Internal Dynamic-Braking Transistor |
| Filtering | EMC Filter |
| CM Jumper | Installed |
| Embedded I/O | Yes |
| PID Capability | Yes |
| HIM | Blank / No HIM |
| Integrated Motion | No |
| Safety Function Compatibility | Yes |
The PowerFlex 753 family is intended for general-purpose and advanced industrial motor-control applications where variable-speed operation, process control, machine integration and flexible configuration are required.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF034JA0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 753 |
| Product Type | Air-Cooled AC Drive |
| Input Voltage | 690 VAC |
| Input Frequency | 50/60 Hz |
| Input Phase | 3 Phase |
| Output Phase | 3 Phase |
| Nominal Output Current | 34 A |
| Normal Duty Power | 30 kW |
| Heavy Duty Power | 22 kW |
| Frame Size | 6 |
| Cooling | Forced Air |
| Enclosure Rating | IP20/IP00 |
| Enclosure Type | Open Type |
| Input Configuration | AC Input with Precharge |
| DC Terminals | None |
| EMC Filter | Yes |
| CM Jumper | Installed |
| Dynamic-Braking Transistor | Yes |
| Embedded I/O | Yes |
| PID Control | Yes |
| Integrated Motion | No |
| Safety Function Compatibility | Yes |
| HIM / Keypad | 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 | Electrical Cabinet / Panel |
| Typical Duty | Normal Duty / Heavy Duty |
| Typical Applications | Pumps, Fans, Blowers, Conveyors, Mixers, Feeders, Process Machinery |
The 20F1ANF034JA0NNNNN is designed to control the speed and torque of three-phase AC motors in industrial environments.
A conventional motor connected directly to a fixed-frequency power supply normally operates close to its rated speed.
An AC drive changes this operating method by controlling the electrical frequency and voltage delivered to the motor.
As a result, the motor can accelerate smoothly, operate at different speeds and decelerate according to the requirements of the machine.
This makes the drive useful in applications where a motor does not need to run continuously at full speed.
For example, a pump may only need high speed when system demand increases.
A fan may need to slow down when ventilation demand decreases.
A conveyor may need a controlled acceleration profile to prevent products from shifting or falling.
A mixer may require different speeds during different stages of a production cycle.
The drive provides the electrical control platform required for these operating conditions.
The 690 VAC rating is one of the defining characteristics of this model.
The drive is designed for three-phase industrial power systems in the 690 VAC class.
Higher-voltage motor systems can be advantageous for larger industrial equipment because the current required for a given power level can generally be lower than with a lower-voltage system.
This can influence:
The motor connected to the drive must have an appropriate voltage rating for the intended electrical system.
The drive provides a nominal output current of 34 A.
This places it in the medium-to-high power section of the 690 VAC PowerFlex 753 range.
The 34 A rating is especially useful when a smaller 23 A or 30 A drive is insufficient, while a larger 46 A drive would provide more capacity than necessary.
When selecting the drive for a particular motor, the motor’s actual rated current should receive primary attention.
Motor power in kW is useful for preliminary selection, but the motor nameplate current, duty cycle, torque requirement and overload conditions should all be considered.
The Normal Duty rating of this model is 30 kW.
This rating makes the drive particularly suitable for variable-torque applications.
Typical examples include:
Variable-torque equipment generally does not require the same overload characteristics as heavy constant-torque machinery.
For this reason, the 30 kW Normal Duty rating can provide a strong fit for many pump and fan applications.
The Heavy Duty rating is 22 kW.
This is the more relevant rating when the drive is used with a demanding constant-torque load.
Typical examples include:
Heavy Duty applications can place greater current and thermal demands on the drive.
Therefore, a motor should not automatically be considered compatible simply because its nameplate power is below 30 kW.
The applicable Heavy Duty current and overload requirements must also be considered.
| Characteristic | Normal Duty | Heavy Duty |
|---|---|---|
| Power Rating | 30 kW | 22 kW |
| Typical Load Type | Variable Torque | Constant Torque |
| Typical Equipment | Pumps, Fans, Blowers | Conveyors, Mixers, Feeders |
| Continuous Current | 34 A | Lower than ND rating |
| Overload Demand | Moderate | Higher |
| Mechanical Stress | Generally Moderate | Generally Higher |
| Typical Acceleration | Moderate | More Demanding |
| Braking Requirement | Usually Moderate | Application Dependent |
The Normal Duty and Heavy Duty ratings should always be treated as separate selection criteria.
A 30 kW Normal Duty application is not equivalent to a 30 kW Heavy Duty application.
A major advantage of the 20F1ANF034JA0NNNNN is the presence of an internal dynamic-braking transistor.
This feature is particularly important in applications where the motor must decelerate relatively quickly.
When a motor slows down, it can temporarily act as a generator.
The mechanical energy stored in the rotating system can be transferred back into the drive’s DC bus.
This regenerative energy can cause the DC-bus voltage to rise.
Dynamic braking provides a way to manage this energy.
The internal braking transistor controls the braking circuit so that excess energy can be directed to an appropriate braking resistor.
Dynamic braking is particularly useful for machines with:
Examples include:
Without adequate braking management, the drive may require a longer deceleration time or may experience DC-bus overvoltage during aggressive stopping.
The internal braking transistor gives the system greater flexibility in designing the braking circuit.
| Feature | 20F1ANF034JA0NNNNN | Similar No-DB Configuration |
|---|---|---|
| Output Current | 34 A | 34 A |
| Normal Duty | 30 kW | 30 kW |
| Heavy Duty | 22 kW | 22 kW |
| Dynamic-Braking Transistor | Yes | No |
| EMC Filter | Yes | Yes |
| CM Jumper | Installed | Configuration dependent |
| Frame | 6 | 6 |
| Cooling | Forced Air | Forced Air |
| Main Difference | Internal braking capability | External/alternative braking arrangement may be required |
The dynamic-braking transistor is therefore one of the most important differences between otherwise similar catalog configurations.
The drive includes an EMC filter.
Electromagnetic compatibility is important in modern industrial systems because high-frequency switching from power electronics can produce electrical noise.
This can potentially affect nearby:
The EMC-filtered configuration is therefore useful when the drive is installed in an electrically complex industrial control cabinet.
The filter should be considered together with grounding, motor-cable selection and overall cabinet wiring.
The catalog configuration specifies that the CM jumper is installed.
The common-mode jumper affects the drive’s common-mode capacitive connection to ground.
This configuration can influence common-mode current and the overall EMC behavior of the installation.
It is therefore important to maintain the intended configuration when replacing the drive.
A replacement with the same voltage and current rating but a different CM-jumper configuration should not automatically be considered electrically identical.
The drive uses:
AC Input with Precharge, No DC Terminals
The precharge function manages the initial charging of the internal DC-bus capacitors.
This reduces the uncontrolled inrush current that would otherwise occur when the drive is energized.
The configuration does not provide external DC terminals.
This is important when considering special common-DC-bus arrangements or multi-drive DC-bus architectures.
The PowerFlex 753 platform includes embedded I/O.
This allows the drive to interact directly with the machine control system.
Depending on the application and configuration, common control functions can include:
Embedded I/O can reduce the amount of additional interface equipment required in a machine.
PID control is another important feature.
PID stands for proportional-integral-derivative control.
In practical industrial applications, PID allows the drive to adjust motor speed based on a process variable.
For example, a pump can be used to maintain a desired pressure.
The control process can be summarized as:
Pressure sensor → feedback signal → PID calculation → drive speed adjustment → pump output → pressure correction
This can be useful for:
PID functionality can therefore reduce the need for separate process-control hardware in suitable applications.
The drive is supplied as a Blank / No HIM configuration.
HIM means Human Interface Module.
A no-HIM configuration is useful when the drive is installed as part of a larger automated control system.
The operator may interact with the machine through:
This configuration can also help maintain a clean cabinet design when local manual operation is not required.
The drive uses a Frame 6 mechanical configuration.
Frame size affects:
The Frame 6 construction is suitable for the relatively substantial power level of this 34 A, 690 VAC drive.
| Mechanical Parameter | Specification |
|---|---|
| Model | 20F1ANF034JA0NNNNN |
| Frame Size | 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 | IP20/IP00 |
| Cooling | Forced Air |
| Mounting | Cabinet / Panel |
| Enclosure Type | Open Type |
The approximately 48 kg weight is important when designing the mounting structure.
The cabinet mounting system must be capable of safely supporting the drive and any associated equipment.
Additional cabinet space should also be reserved for:
The specified operating temperature range is approximately:
-20 to 60 °C
Temperature is an important factor in drive reliability.
A drive operating continuously at elevated temperature experiences greater thermal stress than one operating in a moderate environment.
Cabinet designers should therefore consider:
The actual installation conditions should be evaluated carefully when operating close to the upper end of the temperature range.
The approximate storage temperature range is:
-40 to 70 °C
Storage conditions are different from operating conditions.
A drive stored for an extended period should be protected from:
Proper storage can help preserve the drive before installation.
The drive uses an IP20/IP00 Open Type construction.
It is therefore intended to be installed inside a suitable electrical enclosure.
The enclosure should provide appropriate protection against:
The cabinet also needs sufficient ventilation to remove the heat generated by the drive.
The drive uses forced-air cooling.
During operation, power semiconductors and other electronic components generate heat.
The cooling system transfers heat away from these components.
The effectiveness of the cooling system depends on:
Dust accumulation can reduce cooling effectiveness.
For industrial installations, periodic inspection of the cooling path is therefore recommended.
The drive is highly suitable for pump applications when the motor and system requirements fall within the appropriate rating.
Typical applications include:
The 30 kW Normal Duty rating is particularly relevant for variable-torque centrifugal pumps.
The drive can adjust pump speed according to process demand.
This allows the pump to operate at an appropriate speed instead of continuously running at maximum speed.
Fans and blowers are another major application category.
Examples include:
The drive can provide smooth acceleration and adjustable operating speed.
For applications where airflow demand changes throughout the day, variable-speed control can also provide better process regulation than fixed-speed operation.
Conveyors often benefit from variable-speed control.
The drive can provide:
The dynamic-braking transistor is especially valuable in conveyor applications where rapid stopping is required.
However, the braking resistor and complete braking system must be selected according to the actual inertia, speed and stopping-cycle requirements.
Mixers can have demanding torque characteristics.
The required motor torque can vary according to:
The 22 kW Heavy Duty rating can make the drive suitable for many medium-sized mixer applications.
The motor’s actual current and torque requirements should be checked before final selection.
Industrial feeders often require accurate speed control.
Applications can include:
The drive can adjust the feeder speed according to production requirements.
This can help synchronize material flow with other machines.
The drive can also be used for material-handling equipment.
Potential applications include:
The dynamic-braking capability can be useful where the moving mass is significant.
This is one reason the JA configuration can be attractive compared with otherwise similar configurations without an internal dynamic-braking transistor.
The drive can be used in a wide range of industrial process equipment.
Potential examples include:
The PowerFlex 753 architecture allows the drive to be integrated into larger machine-control systems.
| Advantage | Description |
|---|---|
| 690 VAC Operation | Suitable for high-voltage industrial motor systems |
| 34 A Output | Provides substantial motor-control capacity |
| 30 kW Normal Duty | Suitable for variable-torque applications |
| 22 kW Heavy Duty | Suitable for demanding constant-torque applications |
| Internal DB Transistor | Supports dynamic braking applications |
| EMC Filter | Helps manage electromagnetic compatibility requirements |
| CM Jumper Installed | Provides the specified common-mode configuration |
| Embedded I/O | Simplifies machine-level control integration |
| PID Control | Useful for process-control applications |
| Frame 6 | Suitable for substantial industrial installations |
| Forced-Air Cooling | Provides active thermal management |
| No HIM | Suitable for remote/PLC-based control |
| Open Type | Convenient for cabinet integration |
| 690 VAC Platform | Appropriate for higher-voltage industrial systems |
The internal dynamic-braking transistor is arguably the most distinctive advantage of this exact catalog configuration.
When a machine needs to stop quickly, the motor can regenerate energy.
The internal transistor provides the drive with a dedicated means of controlling the braking circuit.
This is particularly useful for applications involving:
The braking resistor must still be correctly selected for the application’s energy and duty-cycle requirements.
The 30 kW Normal Duty rating provides considerable capacity for variable-torque machinery.
This makes the drive attractive for:
It provides a useful balance between power capability and physical size within the 690 VAC drive range.
The 22 kW Heavy Duty rating gives the drive a useful constant-torque capability.
This makes it suitable for many:
The Heavy Duty rating should always be compared against the motor’s actual current and overload requirements.
The EMC filter provides a useful electrical feature for industrial installations.
Modern industrial cabinets can contain many electronic devices.
A single cabinet may include:
Electrical noise management therefore becomes increasingly important.
The EMC-filtered configuration helps support the electrical compatibility requirements of such systems when installed correctly.
Embedded I/O can reduce system complexity.
Instead of using separate interface equipment for every basic drive command, the drive can directly exchange control and status signals with the machine system.
This can help reduce:
For machine builders, this can be a significant practical advantage.
PID control makes the drive useful in process applications.
For example, a pressure-control system can use a pressure sensor to provide feedback.
The drive can then automatically increase or decrease motor speed according to the difference between the actual pressure and the desired pressure.
This can improve:
The following five models are useful alternatives around the same PowerFlex 753 690 VAC range.
| Model | Voltage | Current | Normal Duty | Heavy Duty | Frame | Dynamic Braking | CM Configuration | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|---|---|---|
| 20F1ANF023JA0NNNNN | 690 VAC | 23 A | 18.5 kW | 15 kW | 6 | Yes | Installed | Frame 6 class | Configuration dependent |
| 20F1ANF030JA0NNNNN | 690 VAC | 30 A | 22 kW | 18.5 kW | 6 | Yes | Installed | Frame 6 class | Configuration dependent |
| 20F1ANF034JN0NNNNN | 690 VAC | 34 A | 30 kW | 22 kW | 6 | No | Installed | Frame 6 class | Configuration dependent |
| 20F1ANF034AA0NNNNN | 690 VAC | 34 A | 30 kW | 22 kW | 6 | Yes | Different filtering/CM configuration | Frame 6 class | Configuration dependent |
| 20F1ANF046JA0NNNNN | 690 VAC | 46 A | 37 kW | 30 kW | 6 | Yes | Installed | Frame 6 class | Configuration dependent |
For replacement or new-system selection, the complete catalog number should be compared rather than only comparing voltage, current and kW.
This model provides a lower current and power rating while retaining the general 690 VAC PowerFlex 753 architecture.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF023JA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Output Current | 23 A |
| Normal Duty | 18.5 kW |
| Heavy Duty | 15 kW |
| Frame | 6 |
| Dynamic Braking | Internal DB Transistor |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Approx. Dimensions | Frame 6 class |
| Approx. Weight | Configuration dependent |
This is a good candidate when the motor current is comfortably below the 34 A requirement.
The 30 A version is another close alternative.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF030JA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Output Current | 30 A |
| Normal Duty | 22 kW |
| Heavy Duty | 18.5 kW |
| Frame | 6 |
| Dynamic Braking | Internal DB Transistor |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Approx. Dimensions | Frame 6 class |
| Approx. Weight | Configuration dependent |
This model is appropriate when the application requires slightly less current than the subject 34 A drive.
This is one of the closest alternatives because it has the same 690 VAC, 34 A and 30 kW Normal Duty ratings.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF034JN0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Output Current | 34 A |
| Normal Duty | 30 kW |
| Heavy Duty | 22 kW |
| Frame | 6 |
| Dynamic Braking | No Internal DB Transistor |
| EMC Filter | Yes |
| CM Jumper | Installed |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Approx. Dimensions | Frame 6 class |
| Approx. Weight | Configuration dependent |
The major difference is the absence of the internal dynamic-braking transistor.
This model has the same basic 34 A and 30 kW/22 kW ratings but uses a different catalog configuration.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF034AA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Output Current | 34 A |
| Normal Duty | 30 kW |
| Heavy Duty | 22 kW |
| Frame | 6 |
| Dynamic Braking | Internal DB Transistor |
| EMC Configuration | Different configuration |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Approx. Dimensions | Frame 6 class |
| Approx. Weight | Configuration dependent |
This is useful when comparing older or alternative configuration arrangements with the current JA configuration.
The 46 A model provides additional capacity.
| Parameter | Specification |
|---|---|
| Model | 20F1ANF046JA0NNNNN |
| Series | PowerFlex 753 |
| Voltage | 690 VAC |
| Output Current | 46 A |
| Normal Duty | 37 kW |
| Heavy Duty | 30 kW |
| Frame | 6 |
| Dynamic Braking | Internal DB Transistor |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Approx. Dimensions | Frame 6 class |
| Approx. Weight | Configuration dependent |
This model is useful when the 34 A drive does not provide sufficient motor-current capacity.
The following models provide a broader comparison across the same brand’s PowerFlex product range.
They are not all direct replacements.
Their voltage classes, power ranges, frame sizes and intended applications can be different.
| Model | Series | Voltage Class | Current / Capacity | Normal Duty | Heavy Duty | Typical Application | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|---|---|
| 20F1ANF030JA0NNNNN | PowerFlex 753 | 690 VAC | 30 A | 22 kW | 18.5 kW | Pumps, fans, conveyors | Frame 6 class | Configuration dependent |
| 20F1ANF046JA0NNNNN | PowerFlex 753 | 690 VAC | 46 A | 37 kW | 30 kW | Process machinery | Frame 6 class | Configuration dependent |
| 20F1ANF050JA0NNNNN | PowerFlex 753 | 690 VAC | 50 A | 45 kW | 37 kW | Larger industrial equipment | Frame 6 class | Configuration dependent |
| 20G1ANC260JA0NNNNN | PowerFlex 755 | 400 VAC class | 260 A class | 132 kW class | 110 kW class | Large industrial motor control | Configuration dependent | Configuration dependent |
| 25B-D024N114 | PowerFlex 525 | 480 VAC class | 24 A class | 11 kW class | Application dependent | Compact and medium machinery | Configuration dependent | Configuration dependent |
These models cover several different application ranges.
The PowerFlex 753 models are the closest choices for users who want to stay within the same general high-voltage industrial drive platform.
The PowerFlex 755 is more appropriate for larger and more sophisticated motor-control systems.
The PowerFlex 525 is more appropriate for compact and medium-power machinery where a smaller drive platform is preferred.
| Model | Current | Normal Duty | Heavy Duty | Frame |
|---|---|---|---|---|
| 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 |
The 34 A model occupies an important position in this progression.
It provides a significant increase over the 30 A configuration without moving all the way to the 46 A version.
| Application | Suitability | Duty Evaluation | Braking Evaluation |
|---|---|---|---|
| Centrifugal Pump | Excellent | Normal Duty | Usually Low |
| Industrial Fan | Excellent | Normal Duty | Usually Low |
| Blower | Excellent | Normal Duty | Usually Low |
| Ventilation System | Excellent | Normal Duty | Usually Low |
| Cooling System | Excellent | Normal Duty | Usually Low |
| Water Circulation | Excellent | Normal Duty | Usually Low |
| Process Pump | Excellent | Normal Duty | Application Dependent |
| Conveyor | Excellent | Heavy Duty Evaluation | Dynamic Braking Advantage |
| Mixer | Very Good | Heavy Duty Evaluation | Useful |
| Feeder | Very Good | Heavy Duty Evaluation | Application Dependent |
| Material Handling | Excellent | Heavy Duty Evaluation | Dynamic Braking Advantage |
| Process Machinery | Very Good | Load Dependent | Load Dependent |
| High-Inertia Machinery | Very Good | Heavy Duty Evaluation | Dynamic Braking Important |
| Rapid Stop Equipment | Excellent | Duty-Cycle Dependent | Dynamic Braking Important |
The combination of 34 A output capability and an internal dynamic-braking transistor makes this model particularly interesting for conveyor applications.
Conveyors often require controlled acceleration.
An abrupt motor start can produce mechanical shock.
It can also cause products to move unexpectedly.
With an AC drive, acceleration can be controlled through a programmed ramp.
During stopping, the dynamic-braking capability can help manage regenerative energy.
This can be particularly valuable for conveyors with:
The 30 kW Normal Duty rating makes this drive suitable for many larger pump systems.
A variable-speed pump can adjust its output according to actual demand.
For example, instead of running continuously at maximum speed, the drive can reduce speed when the required flow or pressure decreases.
The result can be a more flexible process.
The integrated PID capability can also support automatic pressure or flow regulation.
Fans frequently operate under changing airflow requirements.
The drive can adjust motor speed according to the process requirement.
This can be useful in:
The combination of variable-speed operation and PID functionality can provide a flexible control method.
The drive should be installed in a properly designed cabinet.
The cabinet should provide adequate:
The 665.5 mm height and 346.4 mm depth should be considered when laying out the cabinet.
The cabinet should not be designed with only the exact external dimensions of the drive in mind.
Additional space is required for wiring and maintenance.
Thermal management is particularly important for a 30 kW industrial drive.
The cabinet should prevent heat from accumulating around the drive.
Important design factors include:
If several heat-generating devices are installed in the same enclosure, their combined heat load should be considered.
The motor cable is part of the complete variable-frequency drive system.
The installation should consider:
Long motor cables can increase electrical stress and common-mode effects.
The EMC filter and CM-jumper configuration should therefore be considered together with the motor-cable installation.
A proper grounding system is essential for reliable operation.
The installation should include appropriate grounding for:
The CM jumper configuration is also part of the overall common-mode and grounding strategy.
| Maintenance Item | Recommended Attention |
|---|---|
| Cooling Fan | Inspect operation |
| Heat Sink | Keep clean |
| Airflow | Check for blockage |
| Cabinet Fan | Inspect regularly |
| Cabinet Filter | Clean or replace as needed |
| Power Connections | Check for secure connections |
| Grounding | Inspect periodically |
| Motor Cable | Check condition |
| Control Wiring | Inspect terminals |
| Drive Parameters | Back up |
| Fault History | Review recurring faults |
| Cabinet Temperature | Monitor |
| Braking Resistor | Inspect when used |
| Braking Circuit | Check during preventive maintenance |
| Motor | Maintain according to motor requirements |
The dynamic-braking system adds another maintenance consideration.
If an external braking resistor is used, the resistor and its associated wiring should also be inspected.
Although the drive includes an internal dynamic-braking transistor, the complete braking system is not simply the transistor alone.
The actual system can include:
The resistor must be suitable for the energy generated by the motor during deceleration.
A resistor that is too small may overheat.
A resistor that is incorrectly selected can result in poor braking performance or unnecessary stress on the system.
Therefore, braking should be engineered according to the actual machine.
Before selecting the 20F1ANF034JA0NNNNN, the following points should be checked.
| Selection Item | Requirement |
|---|---|
| Motor Voltage | Compatible with 690 VAC system |
| Motor Current | Within applicable drive rating |
| Motor Power | Within ND or HD rating |
| Duty Type | Normal Duty or Heavy Duty clearly identified |
| Load Torque | Compatible |
| Acceleration | Within drive capability |
| Deceleration | Within braking capability |
| Braking | Evaluate resistor requirement |
| Environment | Within temperature/environmental limits |
| Cabinet | Suitable for Frame 6 |
| Airflow | Adequate |
| EMC | Suitable for system requirements |
| CM Configuration | CM jumper installed as required |
| Control Method | Compatible with embedded I/O/system |
| HIM Requirement | Local keypad not required |
| Communication | Suitable external option if required |
The complete catalog number is:
20F1ANF034JA0NNNNN
The important configuration characteristics can be understood at a high level as follows:
| Catalog Number Characteristic | Configuration |
|---|---|
| Product Family | PowerFlex 753 |
| Input | AC Input with Precharge |
| DC Terminals | None |
| Enclosure | Open Type |
| Voltage Class | 690 VAC |
| Current Class | 34 A |
| Filtering | Filtered |
| CM Configuration | Jumper Installed |
| Braking | Internal DB Transistor |
| HIM | Blank / No HIM |
| Frame | 6 |
This illustrates why the complete catalog number is important.
Two drives may have the same 690 VAC rating and 34 A output but still have different braking or common-mode configurations.
| Feature | 20F1ANF034JA0NNNNN | 20F1ANF034JN0NNNNN |
|---|---|---|
| Voltage | 690 VAC | 690 VAC |
| Current | 34 A | 34 A |
| Normal Duty | 30 kW | 30 kW |
| Heavy Duty | 22 kW | 22 kW |
| Frame | 6 | 6 |
| EMC Filter | Yes | Yes |
| CM Jumper | Installed | Installed |
| Dynamic Braking | Yes | No |
| HIM | Blank | Blank |
| Cooling | Forced Air | Forced Air |
| Main Advantage | Internal dynamic braking | Simpler configuration where DB is unnecessary |
| Approx. Dimensions | 665.5 × 308 × 346.4 mm | Frame 6 class |
| Approx. Weight | 48 kg | Configuration dependent |
If the machine needs frequent or rapid deceleration, the JA configuration is generally the more relevant option because it includes the internal dynamic-braking transistor.
| Feature | 20F1ANF034JA0NNNNN | 20F1ANF034AN0NNNNN |
|---|---|---|
| Voltage | 690 VAC | 690 VAC |
| Current | 34 A | 34 A |
| Normal Duty | 30 kW | 30 kW |
| Heavy Duty | 22 kW | 22 kW |
| Frame | 6 | 6 |
| EMC Filter | Yes | Yes |
| CM Jumper | Installed | Removed |
| Dynamic Braking | Yes | No |
| HIM | Blank | Blank |
| Cooling | Forced Air | Forced Air |
| Main Difference | CM jumper installed + DB transistor | CM jumper removed + no DB transistor |
| Approx. Dimensions | 665.5 × 308 × 346.4 mm | Frame 6 class |
| Approx. Weight | 48 kg | Configuration dependent |
This comparison shows why the JA model is not simply another 34 A drive.
It has two important configuration characteristics: CM jumper installed and internal dynamic braking.
For machine builders, the 20F1ANF034JA0NNNNN offers a strong combination of power and control capability.
The 34 A output rating covers a substantial range of industrial motors.
The 30 kW Normal Duty rating provides good capacity for variable-torque machinery.
The 22 kW Heavy Duty rating provides additional flexibility for constant-torque machinery.
The internal dynamic-braking transistor is especially valuable when the machine needs controlled stopping.
Embedded I/O can simplify the machine’s electrical design.
The blank/no-HIM configuration can also fit machines that use a centralized operator interface.
For system integrators, the PowerFlex 753 platform provides a flexible base for building industrial motor-control systems.
The drive can be integrated with:
PID capability also provides an advantage in process applications.
The use of a common industrial drive family can simplify maintenance operations.
Maintenance teams can benefit from:
The internal braking function can also reduce the need for a separate braking-control architecture in applications that require dynamic braking.
| Application | Recommended Configuration |
|---|---|
| Large Centrifugal Pump | 20F1ANF034JA0NNNNN |
| Industrial Fan | 20F1ANF034JA0NNNNN |
| Large Blower | 20F1ANF034JA0NNNNN |
| Water Circulation | 20F1ANF034JA0NNNNN |
| Process Pump | 20F1ANF034JA0NNNNN |
| Conveyor With Frequent Stops | 20F1ANF034JA0NNNNN |
| Heavy Conveyor | 20F1ANF034JA0NNNNN or larger |
| Mixer | 20F1ANF034JA0NNNNN, subject to HD current |
| Feeder | 20F1ANF034JA0NNNNN |
| Material Handling | 20F1ANF034JA0NNNNN |
| High-Inertia Machine | JA configuration preferred |
| Rapid Deceleration | JA configuration preferred |
| Low-Braking Pump | JA can still be used, but braking may not be required |
| PLC-Controlled Machine | Blank/no-HIM configuration suitable |
| Process-Control System | PID capability advantageous |
| Category | Parameter | Specification |
|---|---|---|
| Identification | Model | 20F1ANF034JA0NNNNN |
| Identification | Brand | Allen-Bradley |
| Identification | Series | PowerFlex 753 |
| Identification | Product Type | Air-Cooled AC Drive |
| Electrical | Input Voltage | 690 VAC |
| Electrical | Input Phase | 3 Phase |
| Electrical | Output Phase | 3 Phase |
| Electrical | Frequency | 50/60 Hz |
| Electrical | Output Current | 34 A |
| Electrical | Normal Duty | 30 kW |
| Electrical | Heavy Duty | 22 kW |
| Electrical | Input Type | AC Input with Precharge |
| Electrical | DC Terminals | None |
| Control | Embedded I/O | Yes |
| Control | PID | Yes |
| Control | Integrated Motion | No |
| Control | Safety Function Compatibility | Yes |
| Interface | HIM | Blank / No HIM |
| Braking | Dynamic-Braking Transistor | Yes |
| EMC | EMC Filter | Yes |
| EMC | CM Jumper | Installed |
| Construction | Frame | 6 |
| Construction | Cooling | Forced Air |
| Construction | Enclosure | IP20/IP00 |
| Construction | Enclosure Type | Open Type |
| 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 | -20 to 60 °C |
| Environment | Storage Temperature | -40 to 70 °C |
| Installation | Mounting | Cabinet / Panel |
| Applications | Pump | Suitable |
| Applications | Fan | Suitable |
| Applications | Blower | Suitable |
| Applications | Conveyor | Suitable |
| Applications | Mixer | Suitable |
| Applications | Feeder | Suitable |
| Applications | Material Handling | Suitable |
| Applications | Process Machinery | Suitable |
The Allen-Bradley 20F1ANF034JA0NNNNN is a high-capacity industrial AC drive designed around a 690 VAC, three-phase, 34 A electrical configuration.
Its 30 kW Normal Duty rating makes it well suited to variable-torque equipment such as pumps, fans, blowers, ventilation systems and fluid-handling machinery.
Its 22 kW Heavy Duty rating provides useful capability for constant-torque equipment such as conveyors, mixers, feeders and material-handling machinery.
The feature that most clearly distinguishes this configuration is the internal dynamic-braking transistor.
This makes the drive particularly attractive for machines where controlled deceleration and regeneration management are important.
The EMC filter and CM jumper installed configuration also make the exact catalog number significant when replacing another drive.
The drive’s Frame 6, approximately 665.5 × 308 × 346.4 mm dimensions and approximately 48 kg weight should be taken into account when designing the electrical cabinet.
The open-type construction means that it should be installed in an appropriate protective enclosure.
The cabinet should provide adequate airflow, thermal management, grounding, cable space and service access.
The embedded I/O and PID capability provide additional flexibility for machine and process control.
The blank/no-HIM configuration is particularly appropriate for automated equipment controlled from a PLC, HMI or centralized control system.
From a practical selection perspective, the 20F1ANF034JA0NNNNN is especially attractive when an industrial system requires the combination of:
690 VAC + 34 A + 30 kW Normal Duty + 22 kW Heavy Duty + EMC filtering + CM jumper installed + internal dynamic braking + embedded I/O + Frame 6 construction.
For a new machine, the most important selection factors remain the motor nameplate current, motor voltage, duty classification, load torque, acceleration requirements, deceleration requirements, braking energy, ambient temperature, cabinet cooling and the required EMC/common-mode configuration.
For replacement work, the complete catalog number should be matched carefully rather than selecting a drive based only on the 34 A or 30 kW rating.
Overall, the 20F1ANF034JA0NNNNN is a strong choice for medium-to-large industrial motor-control applications where high-voltage operation, substantial output capacity, flexible automation control and integrated dynamic-braking capability are important.