Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
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.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The ABB ACS550-01-012A-4 (3AUA0000002420-D) Frequency Converter is a reliable general-purpose AC drive designed for industrial motor speed control applications requiring stable operation, energy efficiency, and flexible automation integration.
As part of the ABB ACS550 frequency converter family, this model is developed for a wide range of industrial applications where accurate motor control and dependable performance are required. It is commonly used in pumps, fans, conveyors, HVAC systems, manufacturing equipment, and other variable speed motor applications.
The ACS550-01-012A-4 provides a rated output current of 11.9 A and supports approximately 5.5 kW motor applications. It is designed for three-phase 380–480 V AC power systems and features a compact wall-mounted structure suitable for industrial control cabinets and automation systems.
With advanced motor control functions, this frequency converter helps optimize motor performance, reduce unnecessary energy consumption, improve process stability, and extend equipment service life.
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model | ACS550-01-012A-4 |
| Product ID | 3AUA0000002420-D |
| Product Type | Frequency Converter / AC Drive |
| Series | ABB ACS550 |
| Rated Motor Power | 5.5 kW |
| Rated Output Current | 11.9 A |
| Input Voltage | 380–480 V AC |
| Phase Type | Three-phase |
| Protection Class | IP21 |
| Mounting Type | Wall-mounted |
| Cooling Method | Air cooled |
| Dimensions | 465 × 225 × 365 mm |
| Weight | 6.1 kg |
| Control Method | Vector Control / Scalar Control |
| Application Type | Variable Speed Motor Control |
| Suitable Loads | Pumps, fans, conveyors, machinery |
| Installation Environment | Industrial Automation Systems |
The ABB ACS550-01-012A-4 Frequency Converter controls AC motor operation by converting fixed-frequency input power into adjustable-frequency output power.
The drive regulates motor speed and torque by changing output frequency and voltage according to system requirements. This allows motors to operate efficiently under different load conditions while maintaining stable industrial processes.
The basic operating process includes:
This control method provides:
The ABB ACS550-01-012A-4 is designed for industrial applications requiring reliable and flexible motor speed control.
With an 11.9 A output current capability, this frequency converter provides stable performance for small and medium industrial motors.
Key advantages:
It is suitable for applications where consistent motor performance is required.
The frequency converter improves energy efficiency by adjusting motor speed according to actual process requirements.
Traditional fixed-speed motors often consume unnecessary energy during reduced-load conditions. The ACS550-01-012A-4 allows motors to operate according to demand, helping reduce energy waste.
Energy-saving benefits include:
This makes it suitable for pumps, fans, and other variable torque applications.
The ABB ACS550-01-012A-4 includes protection functions designed to improve equipment safety and operational reliability.
Protection features include:
These functions help protect motors and connected equipment during abnormal operating conditions.
The frequency converter can be integrated into industrial automation systems for efficient motor management.
Typical integration equipment includes:
This allows centralized control, easier troubleshooting, and improved automation efficiency.
The ABB ACS550-01-012A-4 works as an important control component between automation systems and AC motors.
Typical automation structure:
| Component | Function |
|---|---|
| PLC Controller | Sends automatic control commands |
| Frequency Converter | Controls motor speed and torque |
| AC Motor | Provides mechanical output power |
| HMI System | Displays operating parameters |
| Sensors | Provides process feedback |
| Communication Network | Transfers control information |
The frequency converter improves production stability and supports modern industrial automation requirements.
The ACS550-01-012A-4 is widely used in small and medium pump applications.
Typical applications:
Advantages:
The frequency converter provides efficient speed control for ventilation equipment.
Applications include:
Benefits:
The ACS550-01-012A-4 provides smooth speed regulation for conveyor equipment.
Applications include:
Advantages:
This frequency converter is suitable for various industrial machines requiring adjustable motor speed.
Applications include:
Proper installation ensures reliable operation and long service life.
Recommended installation procedures:
During commissioning, engineers should verify:
| Inspection Item | Purpose |
|---|---|
| Power Wiring | Confirm correct electrical connection |
| Motor Parameters | Ensure accurate control |
| Control Signals | Verify command response |
| Protection Settings | Improve system safety |
| Trial Operation | Confirm stable operation |
| Component | Function |
|---|---|
| ABB Control Panel | Local operation and configuration |
| PLC Controller | Automatic motor control |
| HMI Device | Monitoring and adjustment |
| Communication Module | Industrial network connection |
| Sensors | Feedback signal collection |
| Motor Protection Equipment | Additional protection |
| Component | Type | Function |
|---|---|---|
| Control Panel | Operator Interface | Drive setup and operation |
| Communication Module | Network Accessory | Industrial communication |
| EMC Filter | Electrical Accessory | Reduces electrical interference |
| Braking Resistor | Drive Accessory | Supports braking requirements |
| Model | Type | Feature | Application |
|---|---|---|---|
| ACS550-01-08A8-4 | Frequency Converter | Compact motor control | Small industrial equipment |
| ACS550-01-012A-4 | Frequency Converter | 5.5 kW / 11.9 A output | General industrial applications |
| ACS550-01-017A-4 | Frequency Converter | Higher current capacity | Medium motor systems |
| ACS510 Series | Frequency Converter | Energy optimized control | Pumps and fans |
| ACS580 Series | Advanced AC Drive | Modern automation functions | Industrial automation systems |
The ABB ACS550-01-012A-4 provides reliable motor control in a compact wall-mounted structure.
The drive helps optimize motor speed and reduce unnecessary energy consumption.
Integrated protection functions improve system safety and equipment reliability.
The frequency converter can connect with PLC systems, HMI devices, and industrial networks.
Suitable for pumps, fans, conveyors, HVAC systems, and industrial machinery.
The ABB ACS550-01-012A-4 is a general-purpose frequency converter used for controlling AC motors in industrial automation applications.
This model supports approximately 5.5 kW motor applications with an 11.9 A output current.
The dimensions are 465 × 225 × 365 mm, and the weight is 6.1 kg.
It supports three-phase 380–480 V AC industrial power systems.
It is commonly used in manufacturing, HVAC systems, pumping applications, conveyor systems, and industrial automation equipment.
The ABB ACS550-01-012A-4 (3AUA0000002420-D) Frequency Converter is a reliable industrial AC drive designed for efficient motor control, flexible automation integration, and stable operation.
With its 5.5 kW motor capacity, 11.9 A output current, compact design, and advanced control functions, it provides an effective solution for various industrial motor applications.
The frequency converter is widely used in pump systems, ventilation equipment, conveyors, HVAC applications, and automated production machinery.
For automation engineers, system integrators, and maintenance professionals, the ABB ACS550-01-012A-4 provides a dependable solution for improving motor performance, reducing energy consumption, and enhancing industrial automation reliability.