
Product Overview
The ABB ACS550-01-072A-4 (3AUA0000002547-D) Frequency Converter is a high-performance industrial AC drive designed for reliable motor speed control, process optimization, and automation system integration.
As part of the ABB ACS550 series, this frequency converter provides stable and efficient control for three-phase AC motors used in industrial applications. It is widely applied in systems requiring dependable motor regulation, including pumps, fans, conveyors, compressors, and production equipment.
The ABB ACS550-01-072A-4 is designed for medium-power motor applications where continuous operation, reliable performance, and flexible control are required. The drive helps improve motor efficiency, reduce mechanical stress, and maintain stable equipment operation.
With dimensions of 800 × 310 × 410 mm and a weight of approximately 26 kg, this frequency converter provides a practical solution for industrial control cabinets, machine systems, and automation installations requiring reliable motor management.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
ABB |
| Model |
ACS550-01-072A-4 |
| Part Number |
3AUA0000002547-D |
| Product Type |
Frequency Converter |
| Series |
ACS550 |
| Input Voltage |
Three Phase AC |
| Voltage Range |
380–480 V AC |
| Rated Output Current |
72 A |
| Motor Control Type |
Variable Speed AC Motor Control |
| Mounting Type |
Wall Mounted |
| Frame Size |
R4 |
| Dimensions |
800 × 310 × 410 mm |
| Weight |
26 kg |
| Application |
Industrial Automation Motor Control |
Product Features
Advanced Variable Speed Control
The ABB ACS550-01-072A-4 provides accurate speed adjustment and reliable torque control for industrial AC motors.
By adjusting motor operating speed according to actual process requirements, the frequency converter helps achieve:
- Smooth motor acceleration and deceleration
- Stable production operation
- Improved process control
- Reduced mechanical stress
This makes it suitable for industrial systems requiring continuous and precise motor operation.
Reliable Medium-Power Drive Performance
The ACS550-01-072A-4 is designed for demanding industrial environments where motor reliability is essential.
Main advantages include:
- Stable electrical performance
- Reliable operation under varying loads
- Reduced equipment downtime
- Long-term industrial durability
The frequency converter is suitable for applications requiring consistent motor control performance.
Flexible Industrial Applications
The ABB ACS550-01-072A-4 supports a wide range of industrial motor-driven equipment.
Typical applications include:
- Industrial pumps
- Large ventilation fans
- Conveyor systems
- Compressors
- Processing machinery
- Production equipment
Its flexible design allows integration into different industrial automation systems.
Strong and Practical Installation Design
With dimensions of 800 × 310 × 410 mm and a weight of 26 kg, the frequency converter provides a robust installation structure for medium-power applications.
Installation advantages:
- Suitable for industrial control cabinets
- Convenient wiring arrangement
- Reliable heat dissipation
- Easy maintenance access
The design supports long-term operation in industrial environments.
Working Principle
The ABB ACS550-01-072A-4 Frequency Converter controls motor operation by converting fixed electrical input power into adjustable output power.
The operating process includes:
- Receiving three-phase AC input power
- Processing electrical energy through internal power components
- Adjusting output frequency and voltage
- Controlling motor speed and torque according to system requirements
This enables motors to operate efficiently under different load conditions while maintaining stable performance.
Industrial Applications
Pump Control Systems
The ABB ACS550-01-072A-4 is widely used in industrial pump applications requiring reliable speed regulation.
Common applications:
- Water supply systems
- Industrial circulation pumps
- Cooling systems
- Process fluid handling equipment
Benefits:
- Improved flow control
- Reduced mechanical wear
- Stable system operation
- Optimized motor performance
Fan and Ventilation Equipment
The frequency converter provides efficient control for industrial fan systems.
Applications:
- Factory ventilation
- Exhaust systems
- Air handling equipment
- Cooling ventilation systems
Advantages:
- Adjustable airflow
- Improved operating efficiency
- Reduced unnecessary energy usage
- Stable ventilation performance
Conveyor Systems
The ACS550-01-072A-4 provides smooth motor control for industrial conveyor applications.
Typical uses:
- Manufacturing production lines
- Material handling systems
- Packaging equipment
Benefits:
- Smooth startup operation
- Adjustable conveyor speed
- Reduced mechanical impact
- Improved production stability
Compressor Systems
Industrial compressors require reliable motor control for stable operation.
Applications:
- Air compression equipment
- Industrial processing systems
- Pressure control applications
Advantages:
- Stable motor operation
- Reduced mechanical stress
- Improved equipment reliability
Installation Guide
Installation Preparation
Before installing the ABB ACS550-01-072A-4, check:
- Power supply compatibility
- Motor specifications
- Installation environment
- Ventilation requirements
- Mounting space availability
Installation Steps
- Mount the frequency converter vertically on a stable surface
- Ensure sufficient airflow around the unit
- Connect incoming power cables
- Connect motor output cables
- Complete control wiring connections
- Configure motor parameters
- Perform commissioning tests
Commissioning Checklist
| Inspection Item |
Purpose |
| Power Connection |
Verify correct electrical supply |
| Motor Wiring |
Confirm proper motor connection |
| Parameter Configuration |
Match motor requirements |
| Rotation Test |
Verify motor direction |
| Load Testing |
Confirm stable operation |
Fault Diagnosis and Troubleshooting
Frequency Converter Cannot Start
Possible causes:
- Incorrect start command
- Control wiring problems
- Incorrect parameter configuration
- External control signal failure
Solutions:
- Check control terminals
- Verify operating parameters
- Inspect wiring connections
- Confirm enable conditions
Overcurrent Fault
Possible causes:
- Excessive motor load
- Mechanical blockage
- Incorrect acceleration settings
- Motor cable problems
Solutions:
- Inspect mechanical equipment
- Reduce excessive load
- Adjust acceleration parameters
- Check motor connections
Overheating Alarm
Possible causes:
- Insufficient ventilation
- High operating temperature
- Excessive load conditions
- Cooling problems
Solutions:
- Improve airflow
- Clean ventilation areas
- Check installation environment
- Reduce operating stress
Motor Speed Fluctuation
Possible causes:
- Incorrect motor parameters
- Improper control settings
- External electrical interference
Solutions:
- Verify motor data
- Adjust drive settings
- Inspect control wiring
Compatible System Components
| Component |
Function |
| AC Motor |
Main controlled equipment |
| PLC Controller |
Automation control |
| HMI Panel |
Operation and monitoring |
| Communication Module |
Industrial data exchange |
| Braking Components |
Improve stopping performance |
Recommended Related ABB ACS550 Models
| Model |
Product Type |
Application |
| ACS550-01-059A-4 |
Frequency Converter |
Medium motor applications |
| ACS550-01-072A-4 |
Frequency Converter |
Higher current motor control |
| ACS550-01-088A-4 |
Frequency Converter |
Heavy industrial loads |
| ACS550-01-097A-4 |
Frequency Converter |
Large motor applications |
Key Advantages
Reliable Industrial Operation
Provides stable motor control for continuous production environments.
Efficient Motor Performance
Helps optimize motor operation and improve system efficiency.
Flexible Automation Integration
Suitable for PLC-based industrial control systems.
Wide Application Range
Supports pumps, fans, conveyors, compressors, and process equipment.
Durable Industrial Construction
Designed for long-term operation in demanding industrial environments.
Technical FAQs
What is ABB ACS550-01-072A-4 used for?
The ABB ACS550-01-072A-4 is a frequency converter designed for controlling AC motors in industrial automation applications.
What type of equipment can use this drive?
It can be used for pumps, fans, conveyors, compressors, and industrial production machinery.
What are the dimensions of this frequency converter?
The dimensions are 800 × 310 × 410 mm.
What is the weight of ABB ACS550-01-072A-4?
The weight is approximately 26 kg.
Why choose ABB ACS550 frequency converters?
The ACS550 series provides reliable motor control, flexible installation, and stable performance for industrial automation systems.
Conclusion
The ABB ACS550-01-072A-4 (3AUA0000002547-D) Frequency Converter is a reliable industrial AC drive designed for medium-power motor control applications.
With its stable performance, durable construction, and flexible application capability, this frequency converter provides an effective solution for industrial equipment requiring accurate speed regulation and reliable operation.
For automation engineers, maintenance teams, and industrial system integrators, the ABB ACS550-01-072A-4 helps improve motor efficiency, enhance equipment reliability, and optimize industrial process performance.