ABB ACS380-040S-01A8-4 Compact Frequency Converter 1.8A 0.55kW

The ABB ACS380-040S-01A8-4 compact frequency converter is a robust 0.55kW, 1.8A drive engineered for precise motor control in a wide array of industrial applications. Its compact footprint and integrated safety features, including STO (Safe Torque Off), make it an ideal choice for OEMs and system integrators prioritizing efficiency and reliability. The drive offers versatile control modes, supporting both V/f and vector control, ensuring optimal performance across diverse load conditions. With an IP20 enclosure and a wide operating temperature range, the ACS380 is built to withstand demanding industrial environments, delivering consistent power and control where it's needed most.

Product Specifications

| Feature              | Specification                                      |

| :------------------- | :------------------------------------------------- |

| Model                | ACS380-040S-01A8-4                                 |

| Rated Power (kW)     | 0.55                                               |

| Rated Current (A)    | 1.8                                                |

| Voltage Rating (VAC) | 380-480                                            |

| Enclosure            | IP20                                               |

| Control Method       | V/f, Flux Vector Control                           |

| Dimensions (H x W x D) | 213mm x 143mm x 148mm                              |

| Ambient Temperature  | -20 to +50°C (derating above 40°C)                   |

| Braking              | Dynamic Braking (integrated resistor)              |

| Communication        | Optional Fieldbus Modules                          |

| Safety Functions     | STO (SIL 3, PL e)                                  |

Core Features & Market Positioning

The ABB ACS380-040S-01A8-4 distinguishes itself through its user-friendly design and integrated functionalities, positioning it as a highly competitive solution for general-purpose industrial drives. Its compact form factor is a significant advantage, facilitating easy integration into space-constrained control cabinets. The inclusion of native STO functionality at a competitive price point directly addresses the growing demand for enhanced machine safety across various industries. Furthermore, the ACS380's robust construction and ABB's reputation for reliability lend it strong market appeal, particularly for applications requiring minimal downtime and consistent performance, such as conveyor systems and pump applications.

Key Application Scenarios

This ABB ACS380-040S-01A8-4 frequency converter is ideally suited for a multitude of industrial applications where precise speed and torque control are paramount. Its capabilities are extensively leveraged in material handling systems, including conveyors and elevators, where smooth acceleration and deceleration are critical for product integrity and operational efficiency. In the pump and fan sector, the ACS380 optimizes energy consumption by matching motor speed to system demand, leading to substantial cost savings. It also finds significant utility in simple process control loops and in machinery such as mixers and extruders, where consistent speed regulation is key to product quality.

Practical System Integration Guidance

Integrating the ABB ACS380-040S-01A8-4 into an existing system is streamlined due to its intuitive interface and clear wiring schematics. For power connections, ensure the supply voltage is within the drive's 380-480 VAC range and connect to the L1, L2, and L3 terminals. Motor connections are made to T1, T2, and T3. The drive's digital and analog I/O terminals allow for flexible integration with PLCs and sensors; for example, terminal 1 can be used for a start command, terminal 2 for a speed reference, and analog input 1 for a 0-10V or 4-20mA speed setpoint. Commissioning typically involves parameter group access via the drive's keypad or optional remote control panel, where basic parameters like motor data, ramp times, and control mode can be configured to match the driven equipment’s requirements.

Operation and Risk Mitigation

Operating the ABB ACS380-040S-01A8-4 requires adherence to electrical safety standards. Always ensure the unit is powered down and locked out before performing any wiring or maintenance. The integrated STO function is crucial for hazard reduction; when activated, it safely disconnects power to the motor, preventing unexpected starts. Common error codes, such as "OVERCURRENT" (F001) or "OVERVOLTAGE" (F002), typically indicate issues with motor load, cabling, or supply power quality. Referring to the ACS380 user manual for specific fault code explanations and recommended corrective actions is essential for safe and efficient operation.

Scalability & Long-Term Value

The ABB ACS380-040S-01A8-4 offers considerable long-term value through its compatibility with ABB's broader automation ecosystem and its inherent upgradeability. The drive supports optional communication modules for seamless integration into various fieldbus networks like PROFIBUS, PROFINET, or EtherNet/IP, enabling centralized control and monitoring within Industrial Internet of Things (IIoT) architectures. This facilitates data collection for predictive maintenance and process optimization. Furthermore, ABB's commitment to backward compatibility ensures that future upgrades or expansions of control systems can often incorporate existing ACS380 units, protecting the initial investment and simplifying future plant modifications.

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Frequently Asked Questions (FAQs)

1. What are the primary applications for the ABB ACS380-040S-01A8-4?

This drive excels in pumps and fans.

It's also ideal for conveyors and material handling.

Its precise control suits general machinery and simple process loops.

2. Does the ACS380-040S-01A8-4 support variable speed control?

Yes, it offers V/f and Flux Vector control.

This allows for precise motor speed and torque adjustment.

Variable speed enables energy savings and process optimization.

3. What safety features are integrated into the ACS380-040S-01A8-4?

It includes Safe Torque Off (STO).

STO meets SIL 3 and PL e safety levels.

This prevents unexpected motor starts for enhanced safety.

4. How is the ABB ACS380-040S-01A8-4 powered?

The drive operates on 380-480 VAC power.

It has input terminals for L1, L2, and L3 connections.

Ensure correct voltage is applied for safe operation.

5. Can I connect external devices to the ACS380-040S-01A8-4?

Yes, it has configurable digital and analog I/O.

These allow integration with PLCs, sensors, and switches.

Optional communication modules extend network connectivity.

6. What is the power rating of the ACS380-040S-01A8-4?

The drive has a rated power of 0.55 kW.

Its maximum rated current is 1.8 A.

This makes it suitable for smaller motor applications.

7. What is the enclosure rating (IP rating) of this converter?

The ACS380-040S-01A8-4 has an IP20 rating.

This means it protects against solid objects over 12.5mm.

It is intended for installation in a protected control panel.

8. How can I program or commission the ACS380-040S-01A8-4?

Use the built-in keypad and display interface.

Alternatively, a separate control panel can be used.

PC tools and software also facilitate programming.

9. What are common troubleshooting steps for this drive?

Check for error codes on the display.

Verify motor connections and wiring integrity.

Consult the user manual for specific fault diagnostics.

10. Is the ACS380-040S-01A8-4 suitable for harsh environments?

It operates in ambient temperatures of -20 to +50°C.

The IP20 rating requires installation in a clean, dry area.

Derating may be necessary at higher temperatures.