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The 20G1ANC302JN0NNNNN is an industrial adjustable-frequency AC drive designed for controlling three-phase industrial motors.
It belongs to the PowerFlex 755 drive family and is intended for applications where stable motor-speed control, controlled acceleration and deceleration, torque management, motor protection and integration with industrial automation systems are required.
The product is positioned toward larger industrial machinery rather than small standalone motor applications.
It can be used in equipment where the motor needs to operate at different speeds according to the production process.
Typical applications include conveyors, pumps, fans, blowers, mixers, rollers, material-handling systems, process machinery and automated production equipment.
The complete catalog number contains several configuration positions. The C302 section identifies an important rating/configuration portion of the drive, while the remaining characters identify additional hardware and option selections.
For this reason, the complete catalog number should always be used when purchasing or replacing the drive.
| Item | Specification |
|---|---|
| Model | 20G1ANC302JN0NNNNN |
| Brand | Allen-Bradley |
| Product Family | PowerFlex 755 |
| Product Type | Industrial AC Variable Frequency Drive |
| Drive Category | Adjustable Frequency AC Drive |
| Application Class | Industrial motor control |
| Input System | Three-phase AC |
| Voltage Class | 480 V class |
| Input Frequency | 50/60 Hz |
| Output | Variable-frequency three-phase AC |
| Motor Type | Three-phase AC motors |
| Control | Digital motor control |
| Speed Regulation | Supported |
| Torque Control | Supported |
| Acceleration Control | Programmable |
| Deceleration Control | Programmable |
| Motor Protection | Integrated |
| Fault Diagnostics | Integrated |
| Communication | Configuration dependent |
| Feedback | Configuration dependent |
| Cooling | Forced-air cooling |
| Installation | Industrial cabinet/panel |
| Mounting | Normally vertical |
| Construction | Open-type industrial drive |
| Typical Use | Medium and large industrial machinery |
The 20G1ANC302JN0NNNNN belongs to the PowerFlex 755 series.
The PowerFlex 755 series is intended for industrial applications that require a higher level of motor control than a basic fixed-speed starter.
The series combines variable-frequency motor operation with programmable speed control, acceleration and deceleration functions, torque-related control, protection, diagnostics and optional automation-system integration.
It is particularly suitable for machinery where motor operation is closely connected with the production process.
Typical equipment includes:
The complete model number is:
20G1ANC302JN0NNNNN
A general catalog-number interpretation is shown below.
| Catalog Number Section | General Meaning |
|---|---|
| 20G | PowerFlex 755 family |
| 1 | Product/configuration designation |
| A | Drive configuration position |
| NC | Voltage/control configuration |
| 302 | Drive rating/configuration designation |
| J | Hardware/configuration option |
| N | Option position |
| 0 | Configuration position |
| NNNNN | Additional standard configuration positions |
The catalog-number structure is useful for product identification, but it should not be used alone to determine every electrical and mechanical specification.
The exact rating, frame, enclosure arrangement, installed options, dimensions and weight should be checked against the actual unit.
| Parameter | Specification |
|---|---|
| Model | 20G1ANC302JN0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | AC Variable Frequency Drive |
| Input Voltage Class | 480 V class |
| Typical Input Range | Approximately 380–480 V AC class |
| Input Phase | Three-phase |
| Input Frequency | 50/60 Hz |
| Output Phase | Three-phase |
| Output Frequency | Variable according to programmed operation |
| Drive Rating | 302-class configuration |
| Motor Control | Adjustable-frequency/vector-oriented control |
| Speed Control | Supported |
| Torque Control | Supported |
| Acceleration Time | Programmable |
| Deceleration Time | Programmable |
| Motor Overload Protection | Supported |
| Overcurrent Protection | Supported |
| Overvoltage Protection | Supported |
| Undervoltage Protection | Supported |
| Thermal Protection | Supported |
| Stall Protection | Supported |
| Fault Monitoring | Supported |
| Diagnostic Functions | Supported |
| PID Control | Available for suitable applications |
| Jog Function | Supported |
| Preset Speed | Supported |
| Auto-tuning | Supported through applicable control functions |
| Communication | Configuration dependent |
| Feedback | Configuration dependent |
| Cooling | Forced air |
| Mounting | Panel/cabinet |
| Mounting Orientation | Vertical |
| Construction | Open type |
| Industrial Application | Yes |
The 20G1ANC302JN0NNNNN is intended for a 480 V-class industrial three-phase power system.
This voltage class is widely used in larger industrial machines and production facilities.
The drive receives AC electrical power and converts it into controlled variable-frequency output power for the motor.
The output frequency and associated voltage control allow the motor to operate at different speeds.
This is useful when the machinery does not need to run continuously at one fixed speed.
The exact continuous output current should be confirmed from the product rating information associated with the complete C302 configuration.
For engineering purposes, motor full-load current should normally be treated as one of the most important drive-selection parameters.
| Electrical Selection Parameter | Importance |
|---|---|
| Motor voltage | Must be compatible with drive output |
| Motor full-load current | Critical for drive sizing |
| Motor power | Used for preliminary selection |
| Motor frequency | Must match motor requirements |
| Load type | Determines required drive duty |
| Overload requirement | Important for demanding loads |
| Acceleration requirement | Determines dynamic performance |
| Deceleration requirement | Determines stopping requirements |
| Braking requirement | Determines braking-system needs |
| Feedback requirement | Determines feedback configuration |
| Communication | Determines control-system integration |
| Motor cable length | Can affect installation and output filtering requirements |
The exact physical dimensions depend on the frame and hardware configuration represented by the complete catalog number.
For preliminary cabinet planning, the 20G1ANC302JN0NNNNN can be considered a large industrial drive with a substantial cabinet footprint.
The following values are suitable only as preliminary reference figures.
| Mechanical Parameter | Approximate Value |
|---|---|
| Model | 20G1ANC302JN0NNNNN |
| Installation | Cabinet/panel mounted |
| Construction | Open type |
| Approximate Width | 400–500 mm |
| Approximate Height | 700–900 mm |
| Approximate Depth | 350–450 mm |
| Approximate Overall Size | 400–500 × 700–900 × 350–450 mm |
| Approximate Weight | 70–100 kg |
| Cooling | Forced air |
| Mounting Orientation | Vertical |
| Cabinet Installation | Yes |
| Ventilation | Required |
| Maintenance Clearance | Required |
| Cable Entry Area | Required |
| Heat Dissipation | Significant |
The actual dimensions and weight should be confirmed before cabinet fabrication.
A drive of this rating can represent a significant portion of the cabinet thermal load, so cabinet ventilation and heat dissipation should be considered during system design.
The 20G1ANC302JN0NNNNN is designed for industrial motor-control applications where the motor must operate in a controlled and programmable manner.
Instead of operating the motor simply in an ON/OFF mode, the drive allows the motor speed to be adjusted according to the machine’s requirements.
This provides considerable flexibility.
For example, a conveyor can start at a low speed and gradually accelerate.
A pump can increase or decrease speed according to process demand.
A fan can operate at a lower speed when maximum airflow is unnecessary.
A roller can maintain a controlled speed even when production conditions change.
A mixer can operate at different speeds during different stages of the process.
These capabilities make an industrial AC drive an important component of automated machinery.
The main function of the drive is to provide controlled motor speed.
The motor can operate at different frequencies according to the speed reference.
The reference can be generated by the drive itself or by an external control system, depending on the selected configuration.
This makes it possible to coordinate motor speed with the production process.
The drive can gradually increase motor speed according to a programmed acceleration time.
This can reduce sudden mechanical loading.
Controlled acceleration is especially useful for large rotating equipment.
Applications include:
The drive can also regulate the motor during stopping.
Controlled deceleration can reduce sudden mechanical forces and improve machine behavior.
For applications requiring rapid stopping, the braking arrangement must be evaluated separately.
The PowerFlex 755 platform is suitable for applications where torque behavior is important.
This is particularly valuable when the mechanical load varies during operation.
Examples include:
The drive can monitor electrical and operating conditions.
Depending on the configured protection functions and programmed parameters, it can respond to abnormal conditions such as excessive current, voltage abnormalities, thermal conditions and motor overload.
This helps protect the motor and drive during abnormal operation.
The product is intended for applications where a substantial industrial motor needs controlled operation.
It is suitable for larger production equipment and process machinery.
The motor does not need to operate continuously at a single fixed speed.
The machine can use different operating speeds according to the production requirement.
This can improve process flexibility.
A large industrial motor can create considerable mechanical and electrical stress during direct starting.
The drive can gradually increase motor speed.
This can reduce mechanical shock and make the machine easier to control during startup.
The drive can manage motor deceleration.
This is useful where sudden stopping could create mechanical stress or affect the transported material.
The drive can operate as part of a larger automation system.
Depending on configuration, operating data can be exchanged with a controller.
Examples include:
This allows the drive to become part of the machine-control architecture.
Industrial equipment maintenance requires useful diagnostic information.
Drive-level monitoring can help maintenance personnel identify abnormal operating conditions.
This can make troubleshooting more efficient and reduce unnecessary component replacement.
The product family supports different communication, feedback and I/O arrangements.
This provides greater flexibility when integrating the drive into a customized industrial machine.
Conveyor systems frequently require controlled speed and smooth acceleration.
The drive can be used to regulate conveyor motor speed according to production requirements.
Typical applications include:
Pump speed can be adjusted according to process requirements.
This is useful where flow requirements change.
Potential applications include:
Industrial ventilation systems often need variable airflow.
A drive can adjust fan or blower speed according to demand.
Typical applications include:
Material-handling machinery often benefits from smooth starting and controlled stopping.
The drive can be used for:
Mixing equipment may require different speeds depending on the material and process stage.
Variable-speed control allows the motor to operate at different speeds without changing the mechanical transmission.
Processing machinery can use different motor speeds for different production stages.
The drive can provide the speed-control element required by the machine-control system.
Typical examples include:
| Application | Suitability | Main Benefit |
|---|---|---|
| Large conveyor | ★★★★★ | Speed and torque control |
| Material handling | ★★★★★ | Smooth starting and stopping |
| Industrial pump | ★★★★★ | Variable-speed process control |
| Large fan | ★★★★★ | Adjustable airflow |
| Industrial blower | ★★★★★ | Flexible speed regulation |
| Mixer | ★★★★★ | Variable-speed operation |
| Roller | ★★★★★ | Stable speed and torque |
| Processing machinery | ★★★★★ | Flexible process control |
| Automated production line | ★★★★★ | Control-system integration |
| Simple fixed-speed motor | ★★★☆☆ | May provide more capability than required |
The following models are recommended for comparison within the same or closely related industrial drive family.
| Model | Series | Voltage Class | Rating Position | Approx. Dimensions | Approx. Weight | Typical Application |
|---|---|---|---|---|---|---|
| 20G1ANC302JN0NNNNN | PowerFlex 755 | 480 V class | 302-class configuration | Approx. 400–500 × 700–900 × 350–450 mm | 70–100 kg | Large industrial machinery |
| 20G11ND156AA0NNNNN | PowerFlex 755 | 480 V class | 156 A class | Approx. 350 × 500 × 350 mm | 40–50 kg | Medium/large industrial systems |
| 20G11ND125AA0NNNNN | PowerFlex 755 | 480 V class | 125 A class | Approx. 300 × 450 × 300 mm | 30–40 kg | Large industrial equipment |
| 20G11ND096AA0NNNNN | PowerFlex 755 | 480 V class | 96 A class | Approx. 300 × 400 × 250 mm | 25–35 kg | Process machinery |
| 20F11NC030JA0NNNNN | PowerFlex 753 | 480 V class | 30 A class | Approx. 300 × 300 × 500 mm | 12–20 kg | Industrial automation |
The models above occupy different capacity positions.
They should be treated as related comparison products rather than automatic direct replacements.
| Model | Current / Rating Class | Voltage | Approx. Motor Class | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|
| 20G11ND096AA0NNNNN | 96 A | 480 V | 75 HP / 55 kW class | 300 × 400 × 250 mm | 25–35 kg |
| 20G11ND125AA0NNNNN | 125 A | 480 V | 100 HP / 75 kW class | 300 × 450 × 300 mm | 30–40 kg |
| 20G11ND156AA0NNNNN | 156 A | 480 V | 125 HP class | 350 × 500 × 350 mm | 40–50 kg |
| 20G1ANC302JN0NNNNN | 302-class configuration | 480 V class | Large-motor class | 400–500 × 700–900 × 350–450 mm | 70–100 kg |
| 20F11NC030JA0NNNNN | Approx. 30 A | 480 V class | Medium-power class | 300 × 300 × 500 mm | 12–20 kg |
The 20G1ANC302JN0NNNNN is positioned toward the larger-capacity end of this comparison.
Its exact current and motor-power rating should be confirmed from the physical product identification and configuration information.
The following models represent useful alternatives across several capacity levels.
| Model | Series | Voltage Class | Rating / Current Class | Approx. Dimensions | Approx. Weight | Typical Application |
|---|---|---|---|---|---|---|
| 20G1ANC302JN0NNNNN | PowerFlex 755 | 480 V class | 302-class configuration | 400–500 × 700–900 × 350–450 mm | 70–100 kg | Large industrial machinery |
| 20G11ND156AA0NNNNN | PowerFlex 755 | 480 V class | 156 A class | Approx. 350 × 500 × 350 mm | 40–50 kg | Large process equipment |
| 20F11NC030JA0NNNNN | PowerFlex 753 | 480 V class | 30 A class | Approx. 300 × 300 × 500 mm | 12–20 kg | Industrial machinery |
| 25B-D024N114 | PowerFlex 525 | 480 V class | 24 A class | Approx. 250 × 150 × 220 mm | 5–8 kg | Compact industrial equipment |
| 25C-D017N114 | PowerFlex 527 | 480 V class | 17 A class | Approx. 250 × 150 × 220 mm | 5–8 kg | Networked machine applications |
These products cover different application sizes.
A compact drive should not be selected as a replacement for a larger industrial drive solely because the nominal motor horsepower appears similar.
Motor current, overload requirement, load type, acceleration requirements and control architecture must all be considered.
| Feature | PowerFlex 525 | PowerFlex 527 | PowerFlex 753 | PowerFlex 755 |
|---|---|---|---|---|
| Product Position | Compact | Compact automation-oriented | Industrial | High-performance industrial |
| Typical Motor Size | Small/medium | Small/medium | Medium/large | Medium/large/large industrial |
| Cabinet Footprint | Small | Small | Medium/large | Medium/large |
| Speed Control | Good | Good | Advanced | Advanced |
| Torque Control | Supported | Supported | Advanced | Advanced |
| Communication | Available | Strong network orientation | Available | Extensive options |
| Feedback | Configuration dependent | Application dependent | Available | Available |
| Expansion | Good | Good | Strong | Strong |
| Large Motor Applications | Limited | Limited | Good | Excellent |
| Complex Machinery | Good | Very good | Very good | Excellent |
| Typical Application | Compact machines | Networked machines | Industrial equipment | High-performance machinery |
The most reliable method of selecting an industrial AC drive is to compare the motor’s actual full-load current with the drive’s continuous output-current capability.
Horsepower and kW are useful for preliminary selection but should not be used as the only sizing criteria.
| Approx. Motor Size | Related Drive Class | Example Model |
|---|---|---|
| 37 kW / 50 HP | 65 A class | 20G11ND065AA0NNNNN |
| 45 kW / 60 HP | 77 A class | 20G11ND077AA0NNNNN |
| 55 kW / 75 HP | 96 A class | 20G11ND096AA0NNNNN |
| 75 kW / 100 HP | 125 A class | 20G11ND125AA0NNNNN |
| 90 kW / 125 HP class | 156 A class | 20G11ND156AA0NNNNN |
| Large industrial motor | 302-class configuration | 20G1ANC302JN0NNNNN |
The exact motor-power compatibility for the 20G1ANC302JN0NNNNN should be determined from its actual current rating and duty classification.
Because the 20G1ANC302JN0NNNNN represents a larger industrial drive configuration, cabinet planning becomes particularly important.
The drive should normally be mounted vertically.
Adequate ventilation must be provided.
The cabinet must be capable of removing the heat generated by the drive during continuous operation.
The installation should also provide sufficient room for:
A cabinet should not be designed solely around the external dimensions of the drive.
The thermal load, cable bending radius and maintenance space should also be considered.
| Cabinet Parameter | Recommended Consideration |
|---|---|
| Drive Model | 20G1ANC302JN0NNNNN |
| Approximate Width | 400–500 mm |
| Approximate Height | 700–900 mm |
| Approximate Depth | 350–450 mm |
| Approximate Weight | 70–100 kg |
| Mounting Direction | Vertical |
| Cooling | Forced air |
| Ventilation | Essential |
| Heat Dissipation | High |
| Maintenance Clearance | Required |
| Cable Entry | Adequate space required |
| Grounding | Proper industrial grounding required |
| Power Wiring | Separate from sensitive control wiring where appropriate |
| Cabinet Structure | Must support drive weight |
The stated dimensions and weight are preliminary engineering values.
The final cabinet should always be based on the actual dimensional drawing of the selected configuration.
The drive can be incorporated into an industrial automation system.
A typical control arrangement may include:
Controller → Communication Network / Control Interface → AC Drive → Three-Phase Motor → Mechanical Load
The controller can provide speed commands and receive operating information.
Depending on configuration, the system can monitor:
This type of architecture is particularly useful for automated production equipment.
Variable-speed operation can provide energy benefits in appropriate applications.
The largest potential benefit generally occurs in variable-torque applications such as centrifugal pumps and fans.
If a machine does not need full output continuously, reducing motor speed can reduce the power required.
For example, a fan operating at reduced speed may consume considerably less power than the same fan operating continuously at full speed.
The actual energy-saving result depends on the machine design, load profile, operating hours and process requirements.
The drive should therefore be viewed as an enabling technology for energy optimization rather than a guarantee of a specific percentage of energy savings.
The drive provides information that can help maintenance personnel understand machine behavior.
Useful maintenance information can include:
This can make troubleshooting more systematic.
Instead of immediately replacing the motor or drive, technicians can first review the operating condition and identify the likely cause.
| Recommended Model | Series | Main Reason for Recommendation | Approximate Position |
|---|---|---|---|
| 20G11ND096AA0NNNNN | PowerFlex 755 | Lower-capacity related model | 75 HP class |
| 20G11ND125AA0NNNNN | PowerFlex 755 | Medium-large motor application | 100 HP class |
| 20G11ND156AA0NNNNN | PowerFlex 755 | Higher-current industrial application | 125 HP class |
| 20G1ANC302JN0NNNNN | PowerFlex 755 | Large-capacity configuration | 302-class |
| 20F11NC030JA0NNNNN | PowerFlex 753 | Related industrial platform | 30 A class |
When choosing between related models, the first consideration should be the motor’s actual full-load current.
The second consideration should be the load type.
A conveyor, mixer or heavy mechanical load may have different overload requirements from a centrifugal fan.
The third consideration is acceleration and deceleration.
If the machine starts frequently or accelerates a heavy load, the drive must be selected with the required dynamic performance in mind.
The fourth consideration is braking.
If the machine must stop quickly or decelerate a high-inertia load, additional braking equipment may be necessary.
The fifth consideration is control architecture.
If the machine requires network communication, encoder feedback or additional I/O, the selected drive configuration must support those functions.
| Advantage | Description |
|---|---|
| Variable-speed control | Motor speed can be adjusted according to process demand |
| Smooth acceleration | Reduces sudden starting shock |
| Controlled deceleration | Provides predictable stopping |
| Torque control | Useful for changing mechanical loads |
| Motor protection | Helps respond to abnormal operating conditions |
| Diagnostics | Provides useful information for troubleshooting |
| Automation integration | Can be incorporated into larger control systems |
| Flexible configuration | Supports different application requirements |
| Industrial construction | Designed for industrial machinery |
| Large-motor suitability | Appropriate for higher-capacity motor applications |
| Process flexibility | Allows different machine operating speeds |
| Potential energy optimization | Useful for variable-torque applications |
| Industry | Typical Equipment | Application |
|---|---|---|
| Manufacturing | Production machinery | Motor speed control |
| Material Handling | Conveyors | Speed and torque control |
| Water Treatment | Pumps | Flow regulation |
| Industrial Ventilation | Fans and blowers | Airflow control |
| Processing | Mixers and rollers | Process-speed control |
| Packaging | Conveyor and production machinery | Variable-speed operation |
| Food Processing | Mixers and conveyors | Controlled production |
| General Machinery | Industrial machines | Motor control |
| Process Plants | Pumps and fans | Process regulation |
| Warehousing | Material-handling systems | Conveyor control |
Before ordering a replacement for 20G1ANC302JN0NNNNN, the following information should be checked.
| Parameter | Required Verification |
|---|---|
| Catalog Number | 20G1ANC302JN0NNNNN |
| Input Voltage | Confirm 480 V-class system |
| Input Phase | Confirm three-phase |
| Motor Voltage | Check motor nameplate |
| Motor Current | Check full-load current |
| Motor Power | Check kW/HP |
| Motor Frequency | Confirm 50/60 Hz |
| Load Type | Constant torque / variable torque |
| Duty | Confirm required duty |
| Overload | Confirm application requirement |
| Acceleration | Confirm required acceleration |
| Deceleration | Confirm required deceleration |
| Braking | Check braking requirements |
| Feedback | Check encoder/feedback requirement |
| Communication | Confirm required network |
| I/O | Confirm control-I/O requirements |
| Dimensions | Verify actual mechanical drawing |
| Weight | Verify actual configured weight |
| Cooling | Confirm cabinet ventilation |
| Ambient Temperature | Confirm site conditions |
| Altitude | Confirm installation conditions |
| Motor Cable | Check cable length and installation |
| Grounding | Confirm grounding arrangement |
The 20G1ANC302JN0NNNNN is a large industrial variable-frequency drive intended for applications where reliable control of a three-phase AC motor is an important part of the machine’s operation.
Its primary value is not simply changing motor speed.
The drive can become part of the overall machine-control system.
It can regulate speed, control acceleration, manage deceleration, provide protection functions, report faults and exchange operating information with the automation system when the required communication and control options are installed.
This makes the product particularly appropriate for larger production equipment and process machinery.
For a conveyor, it can provide smooth starting and adjustable transport speed.
For a pump, it can regulate motor speed according to process requirements.
For a fan or blower, it can adjust airflow.
For a mixer, it can provide different operating speeds.
For material-handling equipment, it can help control acceleration, deceleration and motor torque.
The 20G1ANC302JN0NNNNN is an industrial AC variable frequency drive from the PowerFlex 755 series.
It is designed for three-phase AC motor control in medium- and large-scale industrial machinery.
The product provides a combination of variable-speed operation, controlled acceleration, controlled deceleration, motor protection, diagnostic capability and industrial automation integration.
Its main application areas include large conveyors, material-handling systems, pumps, fans, blowers, mixers, rollers, processing machinery and automated production equipment.
One of its key strengths is the ability to provide controlled motor operation rather than simple ON/OFF starting.
This makes it particularly useful when production speed, mechanical stress, process consistency or energy management are important considerations.
The product is also suitable for machines where motor status needs to be monitored by a larger automation system.
For smaller applications, related lower-capacity models can provide a more compact solution.
For applications requiring higher current capacity, larger configurations within the same industrial drive family should be considered.
For preliminary mechanical planning, the 20G1ANC302JN0NNNNN may be treated as a large cabinet-mounted drive with an approximate envelope of 400–500 mm wide, 700–900 mm high and 350–450 mm deep, with an approximate weight of 70–100 kg.
These dimensions and weight are preliminary reference values only.
The final installation should use the exact mechanical information corresponding to the purchased configuration.
From an application perspective, the product is best suited to industrial machinery requiring adjustable motor speed, controlled acceleration and deceleration, reliable motor operation, process flexibility and integration with an automated control system.
When selecting the final drive, the most important technical checks are the motor’s rated voltage, full-load current, power, duty requirement, load characteristics, overload requirement, braking requirement, feedback requirement, communication architecture and available cabinet space.
A correct selection based on these parameters will generally provide a more reliable result than selecting a drive based only on nominal horsepower.