ABB ACS550-01-031A-4 AC drive

Product Overview

The ABB ACS550-01-031A-4 AC Drive is a general-purpose industrial variable frequency drive (VFD) used for controlling the speed and torque of three-phase asynchronous motors.
The drive integrates high-performance control algorithms and multiple protection functions, suitable for precise control and energy-efficient operation of pumps, fans, conveyors, mixers, and other industrial equipment.

Technical Specifications

Model: ACS550-01-031A-4
Type: AC Drive / Variable Frequency Drive (VFD)
Rated Power: 3.1 kW
Rated Current: 7.6 A
Input Voltage: 3~ 380–480 V AC
Input Frequency: 50 / 60 Hz
Output Voltage: 0–480 V AC
Output Frequency: 0–590 Hz
Control Method: V/F control, Vector Control (VVC+)
Overload Capacity: 150% for 1 min / 180% for 3 s
Communication Interface: Modbus RTU (RS485), optional Profibus, Ethernet/IP
Digital I/O: 4 DI / 2 DO (expandable)
Analog I/O: 2 AI / 1 AO (expandable)
Protection Functions: Overcurrent, overvoltage, undervoltage, overtemperature, stall protection
Ambient Temperature: -10°C to +50°C (no derating)
Protection Rating: IP20 (standard), IP21/IP55 optional
Dimensions (HxWxD): approx. 265 × 200 × 155 mm
Weight: approx. 6 kg
Certifications: CE / UL / cUL / EAC

Features & Advantages

1. High-Performance Control – Supports vector control for precise motor speed and torque control.

2. Energy Saving – Optimizes motor efficiency, reducing energy consumption.

3. Comprehensive Protection – Overcurrent, overvoltage, undervoltage, overtemperature, and stall protection ensure equipment safety.

4. Flexible Communication – Supports Modbus, Profibus, and Ethernet/IP for easy system integration.

5. Easy Installation & Maintenance – Compact design suitable for wall-mount or cabinet installation; simple operation.

6. Wide Application – Suitable for pumps, fans, compressors, conveyors, and mixers.

Applications

• Industrial pumps and fans control

• Conveyor and automated production lines

• HVAC and air-conditioning systems

• Mixers, agitators, and other machinery

• Energy management and energy-saving systems

• Industrial process automation control

Precautions

1. Disconnect power before installation or maintenance to ensure safety.

2. Input voltage must comply with specifications to prevent damage to the drive.

3. Ensure good ventilation; avoid high humidity, dust, or strong electromagnetic interference.

4. Regularly inspect heat sinks and fans to ensure proper cooling.

5. Use genuine ABB ACS550-01-031A-4 drives to ensure long-term reliable operation.

The structure and details of the product：

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