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- Allen Bradley
- 20F11NC085JA0NNNNN
- PowerFlex 753 AC Drive
- USA
- 550 x 212 x 270 mm
- 20.4 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
In modern industrial automation systems, high-power AC drives are essential for controlling large motors, improving production efficiency, and ensuring stable operation in demanding industrial environments. Variable frequency drives provide precise control of motor speed, torque, acceleration, and braking performance, helping machines operate efficiently while reducing mechanical stress.
The Allen Bradley 20F11NC085JA0NNNNN PowerFlex 753 AC Drive is a high-performance industrial variable frequency drive designed for medium and high-power motor control applications. As part of the PowerFlex 753 series, this AC drive provides reliable motor control, embedded I/O functionality, flexible configuration options, dynamic braking capability, and comprehensive protection features for industrial automation systems.
The PowerFlex 753 series is designed for machine builders, system integrators, and industrial users requiring dependable motor control solutions with simplified installation and maintenance. It is widely used in manufacturing machinery, conveyor systems, pumps, fans, processing equipment, and automated production lines.
With dimensions of 550 × 212 × 270 mm and a weight of 20.4 kg, the Allen Bradley 20F11NC085JA0NNNNN features a robust industrial structure suitable for cabinet installation and demanding automation applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 20F11NC085JA0NNNNN |
| Product Series | PowerFlex 753 |
| Product Type | AC Drive |
| Application | Variable Frequency Motor Control |
| Input Voltage | 400 VAC |
| Phase | Three Phase |
| Output Current | 85 A |
| Normal Duty Power | 45 kW |
| Heavy Duty Power | 37 kW |
| Frame Size | Frame 5 |
| Control Type | AC Motor Control |
| Dynamic Braking | Built-in Braking Transistor |
| Filtering | Filtered Configuration |
| Cooling Method | Forced Air Cooling |
| Input Type | AC Input with DC Terminals |
| Installation Type | Cabinet Mounting |
| Protection Design | Industrial Open Type |
| Dimensions | 550 × 212 × 270 mm |
| Weight | 20.4 kg |
Function and Working Principle
The Allen Bradley 20F11NC085JA0NNNNN PowerFlex 753 AC Drive controls motor operation by converting fixed AC power into adjustable frequency and voltage output.
The operating process is:
AC Power Input → Rectifier Circuit → DC Bus → Inverter Circuit → Motor Output
The working process includes:
- Three-phase AC power enters the drive input section.
- The rectifier converts AC power into DC voltage.
- The DC bus stores and stabilizes electrical energy.
- The inverter converts DC power into adjustable AC output.
- The motor receives controlled voltage and frequency signals.
By adjusting output frequency and voltage, the drive provides precise motor speed regulation, torque control, and smooth acceleration performance.
Role in Industrial Automation Systems
The Allen Bradley 20F11NC085JA0NNNNN PowerFlex 753 AC Drive plays an important role in industrial motor control applications.
Its main functions include:
- High-power motor speed control
- Torque management
- Energy optimization
- Motor protection
- Fault monitoring
- Automation system integration
Typical applications include:
- Heavy-duty conveyors
- Industrial pumps
- Large fan systems
- Processing equipment
- Manufacturing machinery
- Automated production systems
Main Features
High-Power Motor Control Capability
With an 85A output current rating, the Allen Bradley 20F11NC085JA0NNNNN is designed for higher-power industrial motor applications.
Main advantages include:
- Support for larger motors
- Stable operation under heavy loads
- Improved torque performance
- Reliable continuous operation
The drive provides consistent motor control performance in demanding industrial environments.
Advanced PowerFlex 753 Control Technology
The PowerFlex 753 series provides flexible motor control features for industrial applications.
Benefits include:
- Accurate speed adjustment
- Smooth acceleration and deceleration
- Reliable motor response
- Flexible parameter configuration
This allows users to optimize machine performance according to different operating requirements.
Embedded I/O Integration
The drive includes embedded I/O functions for simplified automation system connection.
Advantages include:
- Reduced external control devices
- Simplified wiring design
- Faster commissioning
- Easier system expansion
The integrated design helps reduce installation complexity.
Built-in Dynamic Braking Function
The integrated braking transistor improves performance in applications requiring frequent speed changes.
Benefits include:
- Faster stopping response
- Better control of high-inertia loads
- Improved machine efficiency
- Enhanced system stability
Forced Air Cooling Design
The forced air cooling system maintains stable operating temperature during continuous operation.
Advantages include:
- Improved heat dissipation
- Reduced thermal stress
- Reliable long-term operation
- Better performance under heavy loads
Industrial Applications
Heavy-Duty Conveyor Systems
Large conveyor systems require reliable motor control and accurate speed regulation.
Applications include:
- Manufacturing conveyors
- Material handling systems
- Logistics equipment
- Industrial transport systems
The PowerFlex 753 provides smooth operation and stable speed control.
Industrial Pump Systems
Variable frequency control improves efficiency in pumping applications.
Applications include:
- Process pumps
- Water treatment equipment
- Cooling circulation systems
- Industrial fluid handling
The drive adjusts motor speed according to system requirements.
Fan and Ventilation Equipment
Industrial ventilation systems require efficient motor control.
Applications include:
- Factory ventilation
- Cooling fans
- Air handling systems
- Exhaust equipment
The drive helps optimize energy consumption and operating performance.
Manufacturing Machinery
The PowerFlex 753 AC Drive is suitable for various industrial machines.
Applications include:
- Packaging equipment
- Processing machinery
- Production lines
- Automated manufacturing systems
It provides reliable motor operation for continuous production.
Installation Guide
Step 1: Check Installation Conditions
Before installation, confirm:
- Control cabinet space
- Proper ventilation
- Ambient temperature conditions
- Environmental requirements
Step 2: Mount the Drive
Install the Allen Bradley 20F11NC085JA0NNNNN securely inside the electrical cabinet.
Ensure:
- Correct mounting position
- Proper clearance
- Stable mechanical fixing
Step 3: Connect Power Wiring
Connect:
- Three-phase AC input
- Motor output terminals
- Ground connection
Check all wiring carefully before startup.
Step 4: Connect Control Signals
Connect:
- Start/stop commands
- Speed reference signals
- Digital I/O
- Communication interfaces
Step 5: Configure Drive Parameters
Set required parameters:
- Motor voltage
- Motor current
- Frequency range
- Acceleration time
- Deceleration time
- Control mode
Correct configuration ensures optimal motor performance.
Step 6: Perform Commissioning
After installation:
- Apply power
- Check drive status
- Verify motor rotation
- Test operating performance
Common Failure Symptoms
| Fault Symptom | Possible Cause |
|---|---|
| Drive cannot start | Power supply problem |
| Motor speed unstable | Incorrect parameters |
| Overcurrent alarm | Excessive motor load |
| Overvoltage fault | Braking or power issue |
| Drive overheating | Cooling problem |
| Output abnormal | Motor connection fault |
Troubleshooting Recommendations
Check Power Supply
Inspect:
- Input voltage
- Power terminals
- Circuit protection devices
Incorrect power conditions may prevent normal operation.
Check Motor Parameters
Verify:
- Motor rated voltage
- Motor current
- Frequency settings
- Speed parameters
Incorrect settings may affect motor control accuracy.
Inspect Cooling System
Check:
- Cooling fan operation
- Airflow condition
- Cabinet ventilation
Poor cooling may cause thermal protection.
Check Control Wiring
Inspect:
- I/O terminals
- Communication cables
- Feedback connections
Loose connections may cause unstable operation.
Maintenance Recommendations
To maintain reliable operation of the Allen Bradley 20F11NC085JA0NNNNN PowerFlex 753 AC Drive:
- Keep the control cabinet clean
- Inspect cooling fans regularly
- Check electrical terminals
- Monitor fault history
- Verify drive parameters
- Perform preventive maintenance
Regular maintenance helps extend drive service life and improves industrial automation reliability.
Compatible System Components
| Component | Function |
|---|---|
| PowerFlex 753 AC Drive | Controls motor operation |
| PLC Controller | Provides automation commands |
| Operator Interface | Displays drive information |
| Feedback Device | Provides motor status |
| Communication Module | Transfers control data |
Key Advantages
- 85A high-current output capability
- 45 kW normal duty performance
- 37 kW heavy-duty capability
- Embedded I/O functionality
- Built-in braking transistor
- Forced air cooling system
- Reliable industrial protection
- Suitable for demanding automation applications
Technical FAQs
What is Allen Bradley 20F11NC085JA0NNNNN used for?
The Allen Bradley 20F11NC085JA0NNNNN PowerFlex 753 AC Drive is used for high-performance industrial motor speed control and variable frequency drive applications.
What series does this drive belong to?
It belongs to the Allen Bradley PowerFlex 753 AC Drive series.
What is the output current rating?
The output current rating is 85 A.
What is the power capacity of this AC drive?
The drive supports approximately 45 kW normal duty and 37 kW heavy duty applications.
What are the dimensions of Allen Bradley 20F11NC085JA0NNNNN?
The dimensions are 550 × 212 × 270 mm.
What is the weight of Allen Bradley 20F11NC085JA0NNNNN?
The weight is 20.4 kg.
Conclusion
The Allen Bradley 20F11NC085JA0NNNNN PowerFlex 753 AC Drive is a powerful industrial motor control solution designed for demanding automation environments.
With high-current output capability, advanced motor control functions, embedded I/O, dynamic braking support, forced air cooling, and reliable protection features, it provides stable performance for heavy-duty conveyors, pumps, fans, manufacturing equipment, and industrial processing systems.
For automation engineers, system integrators, and maintenance professionals, the PowerFlex 753 AC Drive offers a dependable solution for motor control, equipment upgrades, and long-term industrial automation operation.