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- Allen Bradley
- 20F11NC072JA0NNNNN
- PowerFlex 753 AC Drive
- USA
- 474 x 212 x 222 mm
- 13.6 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.
24-hour service
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, AC drives are essential components for controlling motor speed, improving energy efficiency, and ensuring reliable operation of industrial equipment. Variable frequency drives provide precise control of motor speed, torque, acceleration, and braking performance, allowing machines to operate efficiently under different production conditions.
The Allen Bradley 20F11NC072JA0NNNNN 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 capability, and advanced protection features for industrial automation systems.
The PowerFlex 753 series is designed for applications requiring stable motor operation, simplified system integration, and dependable performance. It is widely used in manufacturing equipment, conveyor systems, pumps, fans, processing machinery, and other industrial automation applications.
With dimensions of 474 × 212 × 222 mm and a weight of 13.6 kg, the Allen Bradley 20F11NC072JA0NNNNN provides a compact industrial structure suitable for installation inside electrical cabinets and motor control panels.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 20F11NC072JA0NNNNN |
| Product Series | PowerFlex 753 |
| Product Type | AC Drive |
| Application | Variable Frequency Motor Control |
| Input Voltage | 400 VAC |
| Phase | Three Phase |
| Output Current | 72 A |
| Normal Duty Power | 37 kW |
| Heavy Duty Power | 30 kW |
| Frame Size | Frame 4 |
| Control Type | AC Motor Control |
| Dynamic Braking | Built-in Braking Transistor |
| Cooling Method | Forced Air Cooling |
| Input Type | AC Input with DC Terminals |
| Installation Type | Cabinet Mounting |
| Protection Type | Industrial Protection Design |
| Dimensions | 474 × 212 × 222 mm |
| Weight | 13.6 kg |
Function and Working Principle
The Allen Bradley 20F11NC072JA0NNNNN PowerFlex 753 AC Drive controls motor operation by converting fixed-frequency AC power into adjustable voltage and frequency output.
The operating process is:
AC Input Power → 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 voltage into DC voltage.
- The DC bus stabilizes electrical energy.
- The inverter converts DC power into adjustable AC output.
- The motor receives controlled frequency and voltage signals.
By adjusting output frequency and voltage, the drive can regulate motor speed, torque, and acceleration performance according to system requirements.
Role in Industrial Automation Systems
The Allen Bradley 20F11NC072JA0NNNNN PowerFlex 753 AC Drive plays an important role in industrial automation applications.
Its main functions include:
- Variable speed motor control
- Torque regulation
- Motor protection
- Energy optimization
- Fault monitoring
- Automation system integration
Typical applications include:
- Manufacturing production lines
- Conveyor systems
- Pump control systems
- Fan and ventilation equipment
- Material handling systems
- Industrial processing machinery
Main Features
High-Performance Motor Control
The PowerFlex 753 AC Drive provides reliable control performance for industrial motors requiring stable operation and accurate speed regulation.
Main advantages include:
- Precise speed adjustment
- Smooth acceleration and deceleration
- Stable torque output
- Improved equipment efficiency
The drive helps maintain consistent motor performance during changing load conditions.
72A High-Current Capability
With a 72A output current rating, the Allen Bradley 20F11NC072JA0NNNNN is suitable for medium and high-power industrial motor applications.
Advantages include:
- Support for larger motor loads
- Reliable continuous operation
- Improved load handling capability
- Stable performance in demanding environments
Embedded I/O Integration
The PowerFlex 753 series provides integrated I/O functions to simplify connection with automation systems.
Benefits include:
- Reduced external control components
- Simplified wiring
- Faster commissioning
- Flexible application configuration
This makes the drive suitable for both standalone machines and integrated automation systems.
Built-in Dynamic Braking
The integrated braking function improves system performance in applications requiring frequent speed changes.
Advantages include:
- Faster stopping response
- Better control of high-inertia loads
- Improved machine operation stability
- Enhanced production efficiency
Forced Air Cooling System
The forced air cooling design helps maintain stable operating temperature.
Benefits include:
- Improved heat dissipation
- Reliable long-term operation
- Reduced thermal stress
- Better performance during continuous operation
Industrial Applications
Conveyor Systems
Industrial conveyors require accurate speed control and reliable motor performance.
Applications include:
- Factory conveyors
- Material transportation systems
- Logistics equipment
- Automated handling machinery
The PowerFlex 753 provides smooth acceleration and stable speed control.
Pump Systems
Variable frequency control improves efficiency in industrial pumping applications.
Applications include:
- Water treatment systems
- Process pumps
- Cooling circulation systems
- Industrial fluid control equipment
The drive adjusts motor speed according to actual operating requirements.
Fan and Ventilation Systems
Industrial ventilation equipment requires efficient motor regulation.
Applications include:
- Factory ventilation
- Cooling fans
- Air handling systems
- Exhaust systems
The drive helps optimize energy consumption and improve system control.
Manufacturing Equipment
The PowerFlex 753 AC Drive is widely used in industrial machinery.
Applications include:
- Packaging machines
- Processing equipment
- Assembly systems
- Automated production lines
It provides stable motor operation for continuous production environments.
Installation Guide
Step 1: Check Installation Environment
Before installation, confirm:
- Cabinet installation space
- Ambient temperature
- Ventilation conditions
- Protection requirements
Step 2: Mount the Drive
Install the Allen Bradley 20F11NC072JA0NNNNN securely inside the electrical cabinet.
Ensure:
- Correct mounting direction
- Proper installation clearance
- Stable mechanical fixing
Step 3: Connect Power Wiring
Connect:
- Three-phase AC input
- Motor output terminals
- Ground connection
Verify all wiring before startup.
Step 4: Connect Control Signals
Connect:
- Start/stop commands
- Speed reference signals
- Digital inputs and outputs
- Communication interfaces
Step 5: Configure Drive Parameters
Set required parameters:
- Motor voltage
- Motor current
- Frequency range
- Acceleration time
- Deceleration time
- Control mode
Correct parameter configuration ensures optimal motor performance.
Step 6: Commissioning Test
After installation:
- Apply power
- Check drive status
- Verify motor rotation
- Test operating functions
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 configuration may affect motor performance.
Inspect Cooling System
Check:
- Cooling fan operation
- Airflow condition
- Cabinet ventilation
Poor cooling may trigger thermal protection.
Check Control Wiring
Inspect:
- I/O terminals
- Communication cables
- Feedback connections
Loose wiring may cause unstable operation.
Maintenance Recommendations
To maintain reliable operation of the Allen Bradley 20F11NC072JA0NNNNN PowerFlex 753 AC Drive:
- Keep the control cabinet clean
- Check cooling fans regularly
- Inspect electrical connections
- Monitor drive fault records
- Verify parameter settings
- Perform preventive maintenance
Regular maintenance helps extend 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
- 72A output capability
- High-performance motor control
- Embedded I/O functionality
- Built-in braking capability
- Reliable cooling design
- Strong protection functions
- Suitable for industrial automation applications
Technical FAQs
What is Allen Bradley 20F11NC072JA0NNNNN used for?
The Allen Bradley 20F11NC072JA0NNNNN PowerFlex 753 AC Drive is used for industrial motor speed control, torque regulation, 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 72 A.
What is the power capacity of this AC drive?
The drive supports approximately 37 kW normal duty and 30 kW heavy duty applications.
What are the dimensions of Allen Bradley 20F11NC072JA0NNNNN?
The dimensions are 474 × 212 × 222 mm.
What is the weight of Allen Bradley 20F11NC072JA0NNNNN?
The weight is 13.6 kg.
Conclusion
The Allen Bradley 20F11NC072JA0NNNNN PowerFlex 753 AC Drive is a reliable industrial motor control solution designed for demanding automation applications.
With high-current output capability, embedded I/O integration, dynamic braking support, forced air cooling, and comprehensive protection functions, it provides stable performance for conveyors, pumps, fans, manufacturing equipment, and industrial production systems.
For automation engineers, system integrators, and maintenance professionals, the PowerFlex 753 AC Drive provides an effective solution for motor control, equipment upgrades, and long-term industrial automation operation.